302.5C Mini Hydraulic Excavator Hydraulic System Caterpillar


General Information

Usage:

302.5C GBB

Information for equipment:


HYDRAULIC SYSTEM
ACCUMULATOR GP

Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077} Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077}

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474} Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200} NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Accumulator (Pilot) 302.5C Mini Hydraulic Excavator Hydraulic System

Accumulator (Pilot) - Test and Charge 302.5C Mini Hydraulic Excavator Hydraulic System

Accumulator (Hydraulic Pilot) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems

A New Serviceable Accumulator is Available {5077} 2012/02/27
CONTROL GP-RIDE

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474} Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
CONTROL GP-VALVE

The Lever Assembly for the Alarm Switch Is Improved {5051, 7429} 2006/06/26
COOLER GP

Hydraulic System Oil Cooler Core - Clean 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators

Hydraulic Oil Cooler - Remove and Install 302.5C Mini Hydraulic Excavator Engine Supplement
COUPLING GP
Pump Drive Coupling - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
CYLINDER GP

Swing Frame and Cylinder Bearings - Lubricate 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators

Installation of Double Lip Wiper Seal{7562} Installation of Double Lip Wiper Seal{7562}
Hydraulic Cylinder Repair Process {7562} Hydraulic Cylinder Repair Process {7562}

Surface Finishes of Cylinder Bores{7562} Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562} Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}

Swing Boom Cylinder 302.5C Mini Hydraulic Excavator Machine System Specifications
Blade Lift Cylinder 302.5C Mini Hydraulic Excavator Machine System Specifications
Stick Cylinder 302.5C Mini Hydraulic Excavator Machine System Specifications
Bucket Cylinder 302.5C Mini Hydraulic Excavator Machine System Specifications
Boom Cylinder 302.5C Mini Hydraulic Excavator Machine System Specifications

Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738} Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562} 1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562} Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095} 4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562} Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738} Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738} Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Blade Hydraulic System 302.5C Mini Hydraulic Excavator Hydraulic System
Cylinders (Boom, Stick and Bucket) 302.5C Mini Hydraulic Excavator Hydraulic System

Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562} Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Hydraulic Cylinder Repair Process {7562} Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562} Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562} Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562} Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562} Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562} HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562} Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}

Hydraulic Cylinder Seal Failure Analysis {7555, 7562} Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Cylinder Speed - Check 302.5C Mini Hydraulic Excavator Hydraulic System
Cylinder Drift - Check 302.5C Mini Hydraulic Excavator Hydraulic System

Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562} Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual Contents{5050, 5052, 5055, 5058, 5061, 5070, 5073, 7562} Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual Contents{5050, 5052, 5055, 5058, 5061, 5070, 5073, 7562}

Blade Cylinder - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
Swing Boom Cylinder - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
Boom Cylinder - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
Stick Cylinder - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
Bucket Cylinder - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems

Lubrication of the Swing Frame for the Boom is Not Required {5105, 6506} 2005/12/19
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562} 2013/02/28
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562} 2009/01/05
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562} 2010/04/30
Improved Stick Cylinder is Available for 302.5C Mini Hydraulic Excavators {5458} 2013/12/03
DRIVE GP

Swing Drive - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Swing Drive - Install 302.5C Mini Hydraulic Excavator Machine Systems
Swing Motor - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Swing Motor - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
Swing Drive - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Swing Drive - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
FILTER GP

Oil Filter - Inspect 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators
Hydraulic System Oil Filter (Return) - Replace 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators

Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068} Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579} Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095} 188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095} Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

The Seal for the Hydraulic Filter Is Improved and a Modified Plate Improves the Breathing of the Hydraulic Tank {5056, 5068} 2006/11/20
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068} New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}
FITTING GP

Modes of Failure for Quick Disconnect Connectors {0618, 5057, 6129} Modes of Failure for Quick Disconnect Connectors {0618, 5057, 6129}

Warranty Information Changes for the Quick Disconnect Connectors {0618, 5057, 6129} 2009/01/26
KITS

Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562} Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
LINES GP

New Hose Couplings Are Now Used{0684, 5057, 5057, 7554} New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555} O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684} 358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
Crimputer III Setup and Operation{0684, 5057} Crimputer III Setup and Operation{0684, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057} Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057} Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095} 4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057} Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057} Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057} Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057} 243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}
Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057} Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}

Crimputer III Setup and Operation{0684, 5057} Crimputer III Setup and Operation{0684, 5057}

Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000} 2008/05/26
LINES GP-AUXILIARY

Quick Disconnect Fittings Leaking on Certain Mini Hydraulic Excavators{5057, 6129} Quick Disconnect Fittings Leaking on Certain Mini Hydraulic Excavators{5057, 6129}

Improvements have been Made to the Pilot Lines Group for the Boom Swing Function {1408, 5057} 2008/08/25
LINES GP-BLADE

Blade Hydraulic System 302.5C Mini Hydraulic Excavator Hydraulic System
LINES GP-BUCKET

Product Support Program for the installation of an Additional Isolation Valve to Prevent Bucket Cylinder Drift on certain 301.5, 301.6, 301.6C, 301.8, 301.8C, 302.5, and 302.5C Excavators Product Support Program for the installation of an Additional Isolation Valve to Prevent Bucket Cylinder Drift on certain 301.5, 301.6, 301.6C, 301.8, 301.8C, 302.5, and 302.5C Excavators








The Addition of an Abrasion Sleeve Protects the Hose Assemblies in the Bucket Lines Gp {5057} 2005/11/28
Installation of an Additional Isolation Valve Prevents Bucket Cylinder Drift {1329, 5057, 5143} 2006/07/03
LINES GP-COUPLER

Quick Disconnect Fittings Leaking on Certain Mini Hydraulic Excavators{5057, 6129} Quick Disconnect Fittings Leaking on Certain Mini Hydraulic Excavators{5057, 6129}
LINES GP-FRONT

Installation of the 390-1561 Front Lines Gp on Certain Excavators{5057} Installation of the 390-1561 Front Lines Gp on Certain Excavators{5057}

An Improvement has been Made to the Bulk Material for Hose Assemblies {5057} 2007/07/16
LINES GP-HYDRAULIC

Modes of Failure for Quick Disconnect Connectors {0618, 5057, 6129} Modes of Failure for Quick Disconnect Connectors {0618, 5057, 6129}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554} New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555} O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057} Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684} 358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
Crimputer III Setup and Operation{0684, 5057} Crimputer III Setup and Operation{0684, 5057}
242-3567 Variable Crimp Die Bowl{0684} 242-3567 Variable Crimp Die Bowl{0684}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057} Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057} Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095} 4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057} Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057} Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057} Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}

Crimputer III Setup and Operation{0684, 5057} Crimputer III Setup and Operation{0684, 5057}

Accumulator (Pilot) - Test and Charge 302.5C Mini Hydraulic Excavator Hydraulic System

Warranty Information Changes for the Quick Disconnect Connectors {0618, 5057, 6129} 2009/01/26
An Improvement has been Made to the Bulk Material for Hose Assemblies {5057} 2007/07/16
Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000} 2008/05/26
Improvements have been Made to the Pilot Lines Group for the Boom Swing Function {1408, 5057} 2008/08/25
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057} Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}
LINES GP-PILOT

Squeal which is Caused by the Pressure Relief Valve on 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators{5057, 5264} Squeal which is Caused by the Pressure Relief Valve on 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators{5057, 5264}
LINES GP-PUMP

An Improved Hose Routing Helps Prevent Damage to Hoses {5057} 2007/04/16
An Improvement has been Made to the Bulk Material for Hose Assemblies {5057} 2007/07/16
LINES GP-RETURN
An Improved Hose and Clamps are Now Used for the Return Lines Group on the 302.5C Mini Hydraulic Excavator {5057} 2011/09/22
LINES GP-SWING
An Improvement has been Made to the Bulk Material for Hose Assemblies {5057} 2007/07/16
Correction to Testing and Adjusting , "Relief Valve (Swing) - Testing and Adjusting" {5051, 5057, 5058, 5059} 2008/07/14
LINES GP-TRAVEL MOTOR
An Improvement has been Made to the Bulk Material for Hose Assemblies {5057} 2007/07/16
MANIFOLD GP

Squeal which is Caused by the Pressure Relief Valve on 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators{5057, 5264} Squeal which is Caused by the Pressure Relief Valve on 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators{5057, 5264}
MOTOR GP

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070} Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070} Test Specifications for Vane Cartridges{0784, 5058, 5070}

Travel Motor 302.5C Mini Hydraulic Excavator Machine System Specifications
Swing Motor 302.5C Mini Hydraulic Excavator Machine System Specifications

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551} Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Swing Motor 302.5C Mini Hydraulic Excavator Hydraulic System
Swing Hydraulic System 302.5C Mini Hydraulic Excavator Hydraulic System
Travel Motor 302.5C Mini Hydraulic Excavator Hydraulic System
Travel Counterbalance Valve 302.5C Mini Hydraulic Excavator Hydraulic System

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070} Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073} Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073} Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070} General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Swing Speed and Overswing on Level Ground - Check 302.5C Mini Hydraulic Excavator Hydraulic System
Machine Drift on a Slope - Check 302.5C Mini Hydraulic Excavator Hydraulic System
Swing Speed and Swing Drift on a Slope - Check 302.5C Mini Hydraulic Excavator Hydraulic System
Travel on Level Ground - Test 302.5C Mini Hydraulic Excavator Hydraulic System
Travel on Level Ground - Test - Optional Test 302.5C Mini Hydraulic Excavator Hydraulic System

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070} Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual Contents{5050, 5052, 5055, 5058, 5061, 5070, 5073, 7562} Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual Contents{5050, 5052, 5055, 5058, 5061, 5070, 5073, 7562}

Swing Motor - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Swing Motor - Install 302.5C Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
Swing Motor - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Swing Motor - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Install 302.5C Mini Hydraulic Excavator Machine Systems

Correction to Testing and Adjusting , "Relief Valve (Swing) - Testing and Adjusting" {5051, 5057, 5058, 5059} 2008/07/14
PUMP GP

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070} Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Repair Process for Hydraulic Gear Pumps {5073} Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070} Test Specifications for Vane Cartridges{0784, 5058, 5070}

Main Hydraulic Pump 302.5C Mini Hydraulic Excavator Machine System Specifications

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551} Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095} 4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Main Hydraulic Pump 302.5C Mini Hydraulic Excavator Hydraulic System
Pump Control (Main Hydraulic) 302.5C Mini Hydraulic Excavator Hydraulic System

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070} Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055} Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073} Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073} Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073} Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073} Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070} General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Swing Speed and Overswing on Level Ground - Check 302.5C Mini Hydraulic Excavator Hydraulic System
Main Hydraulic Pump Air - Purge 302.5C Mini Hydraulic Excavator Hydraulic System
Swing Speed and Swing Drift on a Slope - Check 302.5C Mini Hydraulic Excavator Hydraulic System

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070} Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073} Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055} Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps{5070} Bench Test Procedure for Hydraulic Piston Pumps{5070}
Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual Contents{5050, 5052, 5055, 5058, 5061, 5070, 5073, 7562} Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual Contents{5050, 5052, 5055, 5058, 5061, 5070, 5073, 7562}

Gear Pump (Pilot) - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Gear Pump (Pilot) - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
Main Hydraulic Pump - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Main Hydraulic Pump - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
Main Hydraulic Pump and Gear Pump (Pilot) - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Main Hydraulic Pump and Gear Pump (Pilot) - Install 302.5C Mini Hydraulic Excavator Machine Systems
PUMP GP-METERING

New Metering Pump Groups For Steering Control Prevent Oil Leaks {4300, 4301, 4312} 2010/08/19
SWIVEL GP

Swivel 302.5C Mini Hydraulic Excavator Machine System Specifications

Swivel - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Swivel - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
Swivel - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Swivel - Install 302.5C Mini Hydraulic Excavator Machine Systems
TANK GP

Hydraulic System Oil Level - Check 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators
Hydraulic System Oil - Change 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068} 204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579} Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738} Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579} Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095} 188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095} Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Procedure for Filtering <NOBR> 9U-5000</NOBR> Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056} Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056} Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095} Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542} Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095} Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056} Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}

Hydraulic Tank - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Hydraulic Tank - Install 302.5C Mini Hydraulic Excavator Machine Systems

A New Strainer Assembly For the Hydraulic Tank Is Now Available {5056, 5068} 2013/09/02
The Seal for the Hydraulic Filter Is Improved and a Modified Plate Improves the Breathing of the Hydraulic Tank {5056, 5068} 2006/11/20
TOOLS

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050} 2010/10/01

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050} 2010/09/10

Test Specifications for Vane Cartridges{0784, 5058, 5070} Test Specifications for Vane Cartridges{0784, 5058, 5070}
Lip Type Seals {0599, 0733, 5050, 7555} Lip Type Seals {0599, 0733, 5050, 7555}
Hose Inspection Form {0374, 0599, 5057, 5057} Hose Inspection Form {0374, 0599, 5057, 5057}

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474} Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684} 358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
Crimputer III Setup and Operation{0684, 5057} Crimputer III Setup and Operation{0684, 5057}
242-3567 Variable Crimp Die Bowl{0684} 242-3567 Variable Crimp Die Bowl{0684}
Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000} Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551} Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057} Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057} Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738} Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700} Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068} 204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562} 1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562} Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
9U-5000 Series Hydraulic Test Bench {0599, 0738} 9U-5000 Series Hydraulic Test Bench {0599, 0738}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095} 4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 0738} 4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 0738}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562} Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738} Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738} Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579} Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738} Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579} Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057} Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738} 146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738}
TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY} TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057} Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 164-2691 Printer Group {0374, 0599, 0684, 5057} Using the 164-2691 Printer Group {0374, 0599, 0684, 5057}
420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000} 420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000}
HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000} HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}
4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057} 4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095} 188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700} Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057} Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060} Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060}
Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057} Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057}
243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057} 243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}
Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057} Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439} Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057} Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200} NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562} Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095} Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Crimputer III Setup and Operation{0684, 5057} Crimputer III Setup and Operation{0684, 5057}

Procedure for Filtering <NOBR> 9U-5000</NOBR> Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056} Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056} Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050} Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095} Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050} Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050}
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562} Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056} Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
VALVE GP-BANK

PRODUCT SUPPORT PROGRAM TO INSTALL MISSING RELIEF VALVES ON CERTAIN THUMB READY 302.5C MINI EXCAVATORS PRODUCT SUPPORT PROGRAM TO INSTALL MISSING RELIEF VALVES ON CERTAIN THUMB READY 302.5C MINI EXCAVATORS








Correction to Testing and Adjusting , "Relief Valve (Swing) - Testing and Adjusting" {5051, 5057, 5058, 5059} 2008/07/14
VALVE GP-CHECK & RELIEF

Cylinder Drift - Check 302.5C Mini Hydraulic Excavator Hydraulic System
VALVE GP-CONTROL

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095} 4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Main Control Valve 302.5C Mini Hydraulic Excavator Hydraulic System

Cylinder Drift - Check 302.5C Mini Hydraulic Excavator Hydraulic System

Main Control Valve - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Main Control Valve - Install 302.5C Mini Hydraulic Excavator Machine Systems
Main Control Valve - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Main Control Valve - Assemble 302.5C Mini Hydraulic Excavator Machine Systems

The Lever Assembly for the Alarm Switch Is Improved {5051, 7429} 2006/06/26
VALVE GP-CUSHION RELIEF
Correction to Testing and Adjusting , "Relief Valve (Swing) - Testing and Adjusting" {5051, 5057, 5058, 5059} 2008/07/14
VALVE GP-DRIFT REDUCTION

Cylinder Drift - Check 302.5C Mini Hydraulic Excavator Hydraulic System
VALVE GP-FLOW CONTROL

Selector Valve (Alternate Pattern Control) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
VALVE GP-FLUID SAMPLING

Hydraulic System Oil Sample - Obtain 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542} Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
VALVE GP-LOAD CONTROL

Equipment Lowering with Engine Stopped 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators

Cylinder Drift - Check 302.5C Mini Hydraulic Excavator Hydraulic System

Load Control Valve (Boom Cylinder) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems

Correct Operation of Load Control Valves on Mini Hydraulic Excavators {5811} 2006/08/07
VALVE GP-LOCK
Installation of an Additional Isolation Valve Prevents Bucket Cylinder Drift {1329, 5057, 5143} 2006/07/03
VALVE GP-MANIFOLD

PRODUCT SUPPORT PROGRAM FOR INSPECTION AND REPAIR OF CERTAIN 301.6C, 301.8C AND 302.5C MINI HYDRAULIC EXCAVATORS PRODUCT SUPPORT PROGRAM FOR INSPECTION AND REPAIR OF CERTAIN 301.6C, 301.8C AND 302.5C MINI HYDRAULIC EXCAVATORS







VALVE GP-MANIFOLD & RELIEF

Solenoid Valve (Travel Speed) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
VALVE GP-MANUAL

Installation of an Additional Isolation Valve Prevents Bucket Cylinder Drift {1329, 5057, 5143} 2006/07/03
VALVE GP-PILOT

Implements and Swing Controls Alternate Patterns 302.5C Mini Hydraulic Excavator Hydraulic System

Pilot Valve (Joystick) - Disassemble 302.5C Mini Hydraulic Excavator Machine Systems
Pilot Valve (Joystick) - Assemble 302.5C Mini Hydraulic Excavator Machine Systems
Pilot Valve (Joystick) - Remove 302.5C Mini Hydraulic Excavator Machine Systems
Pilot Valve (Joystick) - Install 302.5C Mini Hydraulic Excavator Machine Systems
VALVE GP-PILOT RELIEF

Relief Valve (Pilot) 302.5C Mini Hydraulic Excavator Hydraulic System

Relief Valve (Pilot) - Test and Adjust 302.5C Mini Hydraulic Excavator Hydraulic System

Relief Valve (Pilot) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
VALVE GP-RELIEF

Squeal which is Caused by the Pressure Relief Valve on 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators{5057, 5264} Squeal which is Caused by the Pressure Relief Valve on 301.6C, 301.8C and 302.5C Mini Hydraulic Excavators{5057, 5264}

Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117} Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}

Relief Valve (Main) 302.5C Mini Hydraulic Excavator Hydraulic System
Relief Valve (Line) 302.5C Mini Hydraulic Excavator Hydraulic System

Relief Valve (Swing) - Test and Adjust 302.5C Mini Hydraulic Excavator Hydraulic System
Relief Valve (Main) - Test and Adjust 302.5C Mini Hydraulic Excavator Hydraulic System
Relief Valve (Line) - Test and Adjust 302.5C Mini Hydraulic Excavator Hydraulic System
Machine Drift on a Slope - Check 302.5C Mini Hydraulic Excavator Hydraulic System

Relief Valve (Pilot) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems

Correction to Testing and Adjusting , "Relief Valve (Swing) - Testing and Adjusting" {5051, 5057, 5058, 5059} 2008/07/14
VALVE GP-SELECTOR

Implements and Swing Controls Alternate Patterns 302.5C Mini Hydraulic Excavator Hydraulic System

Selector Valve (Alternate Pattern Control) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
VALVE GP-SHUTOFF

Installation of an Additional Isolation Valve Prevents Bucket Cylinder Drift {1329, 5057, 5143} 2006/07/03
VALVE GP-SOLENOID

Solenoid Valve (Hydraulic Lockout) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
Solenoid Valve (Auxiliary Circuit) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
Solenoid Valve (Travel Speed) - Remove and Install 302.5C Mini Hydraulic Excavator Machine Systems
LINES GP-WORK TOOL

Modes of Failure for Quick Disconnect Connectors {0618, 5057, 6129} Modes of Failure for Quick Disconnect Connectors {0618, 5057, 6129}

Warranty Information Changes for the Quick Disconnect Connectors {0618, 5057, 6129} 2009/01/26


ReferenceFor Testing and Adjusting of the hydraulic system, refer to Testing and Adjusting, " 302.5 Excavator Hydraulic System".

ReferenceFor more information on specifications, refer to Specifications, " 302.5 Excavator Machine System and Attachment Specifications".

ReferenceFor more information on the hydraulic schematics, refer to Schematic, " 302.5 Excavator Hydraulic System".

ReferenceFor more information on electrical schematics, refer to Schematic, " 302.5 Excavator Electrical System".

Caterpillar Information System:

303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System Final Drive
303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System Cylinders (Boom, Stick and Bucket)
302.5C Mini Hydraulic Excavator Hydraulic System Bucket Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Boom Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Blade Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Accumulator (Pilot)
301.6C, 301.8C and 302.5C Mini Hydraulic Excavators Boom/Stick/Bucket Combinations
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 1130 - FMI 08
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 1130 - FMI 04
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 1130 - FMI 03
302.5C Mini Hydraulic Excavator Machine Systems Fuel Tank - Remove
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 1129 - FMI 08
302.5C Mini Hydraulic Excavator Hydraulic System Implements and Swing Controls Alternate Patterns
302.5C Mini Hydraulic Excavator Hydraulic System Main Control Valve
302.5C Mini Hydraulic Excavator Hydraulic System Main Hydraulic Pump
302.5C Mini Hydraulic Excavator Hydraulic System Main Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Pilot Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Pump Control (Main Hydraulic)
302.5C Mini Hydraulic Excavator Hydraulic System Swing Motor
302.5C Mini Hydraulic Excavator Hydraulic System Swing Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Travel Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Swing Boom Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Stick Hydraulic System
302.5C Mini Hydraulic Excavator Hydraulic System Return Hydraulic System
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