834K Wheel Dozer and 836K Landfill Compactor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} Caterpillar

Landfill Compactor

836K (S/N: T6X1-UP; L6Z1-UP; LWZ1-UP; TWZ1-UP)

Wheel Dozer

834K (S/N: TW41-UP; L4Y1-UP; LWY1-UP; TWY1-UP)

Introduction

Inspections are the most basic form of condition monitoring. Inspections are easy to do and surprisingly effective at helping you spot equipment health issues. Proactive monitoring and analysis of equipment information will allow Dealers to intervene effectively before problems occur.

Note: Before adjusting product settings to comply with listed baseline TA2 values, consult SIS for the latest specification values.

Creating an Electronic Copy

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3. Open the document with Microsoft Word.

Electrical System

Table 1

Status(1)	Description	Specification	Actual	Comments
	Inspect Battery Cables	Cables between the battery, the starter, and the engine ground must be the correct size. Wires and cables must be free of corrosion. Wires and cables must have cable support clamps in order to prevent stress on battery connections (terminals).
	Battery Test	12.4 VDC or more		Refer to Special Instruction, SEHS7633, "Battery Test Procedure".
	Charging System Test	18 VDC to 32 VDC
	Electric Starting System Test	12 to 16 V at −23° C (−10° F) to −7° C (19° F)		Refer to Testing and Adjusting, SENR9832, "Electric Starting System - Test".
		14 to 18 V at −7° C (19° F) to 10° C (50° F)
		16 to 24 V at 10° C (50° F) to 27° C (80° F)

(1)	N = Normal, M = Monitor, A = Action

Engine

Cooling System

Table 2

Status(1)	Description	Specification	Actual	Comments
	Radiator Pressure Relief (Radiator Cap)(2)	-
	Freezing Point of Engine Coolant	-
	Conditioner Test of Engine Coolant	-
	Belt Tension	-		Refer to Operation and Maintenance Manual.
	Difference between the Upper and Lower Radiator Tank Temperatures	-
	Aftercooler Water Outlet Temperature

(1)	N = Normal, M = Monitor, A = Action
(2)	Test for the pressure that is listed on the cap.

Fuel System

Table 3

Status(1)	Description	Specification	Actual	Comments
	Fuel Pressure	820.47644 ± 165.47424 kPa (119 ± 24 psi)

(1)	N = Normal, M = Monitor, A = Action

Lubrication System

Table 4

Status(1)	Description	Specification	Actual	Comments
	Engine Oil Pressure at Low Idle	103.42140 kPa (15 psi) to 599.84412 kPa (87 psi)
	Engine Oil Pressure at Rated Speed	275.79040 kPa (40 psi) to 599.84412 kPa (87 psi)

(1)	N = Normal, M = Monitor, A = Action

Basic Engine

Table 5

Status(1)	Description	Specification	Actual	Comments
	Engine Speed at Low Idle	750 ± 10 rpm
	Engine Speed at High Idle	2120 ± 10 rpm
	Torque Converter Stall Test Engine RPM	1300 ± 10 rpm
	Cylinder Cutout Test	-		Cat® Electronic Technician (Cat ET Service Tool

(1)	N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

Table 6

Status(1)	Description	Specification	Actual	Comments
	Torque Converter Stall Test Boost Pressure	72.9 ± 10 IN_HG (185.1 ± 25.4 CM_HG
	Cylinder # 1 Exhaust Temperature(2)	-
	Cylinder # 2 Exhaust Temperature ***#i05440612/d21938e997***	-
	Cylinder # 3 Exhaust Temperature ***#i05440612/d21938e997***	-
	Cylinder # 4 Exhaust Temperature ***#i05440612/d21938e997***	-
	Cylinder # 5 Exhaust Temperature ***#i05440612/d21938e997***	-
	Cylinder # 6 Exhaust Temperature ***#i05440612/d21938e997***	-
	Cylinder # 7 Exhaust Temperature ***#i05440612/d21938e997***	-
	Cylinder # 8 Exhaust Temperature ***#i05440612/d21938e997***	-

(1)	N = Normal, M = Monitor, A = Action
(2)	Compare the exhaust temperature variance at each exhaust port.

Hydraulic Performance Checks

Reference: Refer to Testing & Adjusting, KENR6497, "Hydraulic System" for more detail on the following test.

Implement Cycle Time-Check

Table 7

Status(1)	Description	Specification	Actual	Comments
	Lift Raise	2.1 ± 0.4 seconds
	Lift Lower	2.2 ± 0.5 seconds
	Float	1.7 ± 0.4 seconds

(1)	N = Normal, M = Monitor, A = Action

Lift and Tilt Cylinder Drift - Check

Reference: Refer to Testing and Adjusting, KENR6497, "Lift and Tilt Cylinder Drift - Check" for more information on this test.

Table 8

Status(1)	Description	Specification	Actual	Comments
	Oil Temperature	45° ± 5°C (113 ° ± 9 °F)
	Lift Cylinder	Max. Drift 834K 120 mm (4.7 inch) for 5 minutes Max. Drift 836K 60 mm (2.4inch) for 5 minutes
	Tilt Cylinder	Max. drift 45° C (113 ° F) 60 mm (2.4 inch) for 1 minute

(1)	N = Normal, M = Monitor, A = Action

Brake Performance Checks

Reference: Refer to Testing and Adjusting, KENR6497, "Brake System" for more detail on the following test.

Table 9

Status(1)	Description	Specification	Actual	Comments
	Brake Accumulator - Test (Test from OMM)	Apply the service brake pedal and release the service brake pedal. The rate for this process is 1 second on and 1 second off. Do this process until the alert indicator for brake oil pressure comes on. This process will decrease the accumulator pressure. A minimum of five applications of the service brake pedal are required with new discs
	Service Brake Holding Ability Test- Test (Test from OMM)	Start the engine. Raise the implement slightly. Apply the service brake. Release the parking brake. Move the transmission control to THIRD SPEED FORWARD while the service brakes are applied. Make sure that the autoshift control is in the OFF position. Gradually increase the engine speed to high idle. The machine should not move.
	Parking Brake Holding Ability Test- Test (Test from OMM)	Move the transmission control to THIRD SPEED FORWARD. Make sure that the autoshift control is in the OFF position. The parking brake indicator light should come on. Gradually increase the engine speed to high idle. The machine should not move.

(1)	N = Normal, M = Monitor, A = Action

Steering Performance Checks

Reference: Refer to Testing & Adjusting, KENR6497, "Steering System" for more detail on the following test.

Command Control Steering Time - Check

Table 10

Status(1)	Description	Specification	Actual	Comments
	Left Steering Time (High Idle)	834K 3.1 ± 0.3 seconds 836K 3.9 ± 0.8 seconds
	Right Steering Time (High Idle)	834K 3.1 ± 0.3 seconds 836K 3.9 ± 0.8 seconds
	Left Steering Time (Low Idle)	834K 5.7 ± 0.9 seconds 836K 6.4 ± 1.0 seconds
	Right Steering Time (Low Idle)	834K 5.7 ± 0.9 seconds 836K 6.4 ± 1.0 seconds
	Left/Right Time Difference (Max)	.03 seconds

(1)	N = Normal, M = Monitor, A = Action

Hydraulic System

Reference: Refer to Testing & Adjusting, KENR6497, "Hydraulic System" for more detail on the following test.

Implement Double Stall - Test

Reference: Refer to Testing & Adjusting, KENR6497, "Calibrations, Diagnostic Tests (Cat ET)"

Table 11

Status(1)	Description	Specification	Actual	Comments
	Boost Pressure	Cat ET
	Engine Speed	Cat ET

(1)	N = Normal, M = Monitor, A = Action

Implement Piston Pump Margin Pressure (Float)

Reference: Refer to Testing & Adjusting, KENR6497, "Calibrations, Diagnostic Tests (Cat ET)"

Table 12

Status(1)	Description	Specification	Actual	Comments
	Implement Piston Pump Margin Pressure (Float)	Cat ET

(1)	N = Normal, M = Monitor, A = Action

Pilot Pressure to the Main Control Valve

Table 13

Status(1)	Description	Specification	Actual	Comments
	Pilot Pressure to the Main Control Valve (High Idle)	3800 ± 200 kPa (551 ± 29 psi)

(1)	N = Normal, M = Monitor, A = Action

Load Sensing Signal Relief Valve - Test and Adjust

Reference: Refer to Testing & Adjusting, KENR6497, "Calibrations, Diagnostic Tests (Cat ET)"

Table 14

Status(1)	Description	Specification	Actual	Comments
	Load Sensing Signal Relief Valve - Test and Adjust	Cat ET

(1)	N = Normal, M = Monitor, A = Action

Pilot Oil Accumulator (Dead Engine Lower) - Test

Table 15

Status(1)	Description	Specification	Actual	Comments
	Oil Temperature	49° C (120 ° F)
	Accumulator Pressure (Dead Engine Lower)	1800 ± 150 kPa (261 ± 22 psi)

(1)	N = Normal, M = Monitor, A = Action

Power Train System

Tire Pressure

Table 16

Status(1)	Description	Specification	Actual	Comments
	Front Left Tire Pressure
	Front Right Tire Pressure
	Rear Left Tire Pressure
	Rear Right Tire Pressure

(1)	N = Normal, M = Monitor, A = Action

Calibrate Fill time for the Transmission Clutch

Reference: Refer to Testing and Adjusting, KENR6497, "Calibrations, Diagnostic Tests (Cat ET)" for more information.

Table 17

Status(1)	Description	Specification	Actual	Comments
	Calibrate Fill time for the Transmission Clutch	Cat ET

(1)	N = Normal, M = Monitor, A = Action

Test for the Transmission Clutch Pressure

Table 18

Status(1)	Description	Specification	Actual	Comments
	Clutch "1" Pressure	2800 ± 138 kPa (406 ± 20 psi)
	Clutch "2" Pressure	2800 ± 138 kPa (406 ± 20 psi)
	Clutch "3" Pressure	2800 ± 138 kPa (406 ± 20 psi)
	Clutch "4" Pressure	2800 ± 138 kPa (406 ± 20 psi)
	Clutch "5" Pressure	2300 ± 138 kPa (334 ± 20 psi)
	Clutch "6" Pressure	2800 ± 138 kPa (406 ± 20 psi)

(1)	N = Normal, M = Monitor, A = Action

Torque Converter Inlet Pressure (High Idle)

Table 19

Status(1)	Description	Specification	Actual	Comments
	Torque Converter Inlet Pressure (High Idle)	Maximum pressure with cold oil is 1025 kPa (149 psi)

(1)	N = Normal, M = Monitor, A = Action

Torque Converter Outlet Pressure (Torque Converter Stall)

Table 20

Status(1)	Description	Specification	Actual	Comments
	Torque Converter Outlet Pressure (High Idle)	448 ± 103 kPa (65 ± 15 psi)

(1)	N = Normal, M = Monitor, A = Action

Transmission Lubrication Pressure (High Idle)

Table 21

Status(1)	Description	Specification	Actual	Comments
	Transmission Lubrication Pressure (High Idle)	105 kPa (15.2 psi)

(1)	N = Normal, M = Monitor, A = Action

Transmission Oil Pump Pressure (High Idle)

Table 22

Status(1)	Description	Specification	Actual	Comments
	Transmission Oil Pump Pressure (High Idle)	2965 ± 200 kPa (430 ± 29 psi)

(1)	N = Normal, M = Monitor, A = Action

Steering System

Piston Pump (Steering) High Pressure Stall - Test

Table 23

Status(1)	Description	Specification	Actual	Comments
	Piston Pump (Steering) High Pressure Stall - Test	16000 ± 350 kPa (2321 ± 51 psi) at 2120 RPM

(1)	N = Normal, M = Monitor, A = Action

Command Control Steering Pilot Valve Supply Pressure - Test

Table 24

Status(1)	Description	Specification	Actual	Comments
	Command Control Steering Pilot Valve Supply Pressure - Test	3800 ± 200 kPa (551 ± 29 psi)

(1)	N = Normal, M = Monitor, A = Action

Steering Neutralizer Valve - Check

Table 25

Status(1)	Description	Specification	Actual	Comments
	Right Side Gap (Engine Frame to Non-Engine Frame	12.7 ± 3 mm (0.5 ± 0.12 inch)
	Left Side Gap (Engine Frame to Non-Engine Frame	12.7 ± 3 mm (0.5 ± 0.12 inch)

(1)	N = Normal, M = Monitor, A = Action

Brake and Hydraulic Fan System

Reference: Refer to Testing & Adjusting, KENR6497, "Braking and Hydraulic Fan System" for more detail on the following test.

Service Brake System Pressure - Test

Table 26

Status(1)	Description	Specification	Actual	Comments
	Rear Service Brake Pressure (Brake ON)	5520 ± 170 kPa (801 ± 25 psi)
	Front Service Brake Pressure (Brake ON)	5520 ± 170 kPa (801 ± 25 psi)

(1)	N = Normal, M = Monitor, A = Action

Service Brake Wear Indicator

Reference: Refer to Testing and Adjusting, KENR6497, "Service Brake Wear Indicator - Check" for more information on this test.

Table 27

Status(1)	Description	Specification	Actual	Comments
	FT3105 Gauge	“No Go” Wear = < 50 % Return to service “Go” Wear = > 50 % continue to check
	FT3104 Gauge	“No Go” Wear = 50% to 75% Return to Service “Go” Wear = > 75% Continue to check
	FT3103 Gauge	“No Go” Wear = 75% to 100% Schedule brake service soon “Go” Wear = . 100% Schedule brake service Immediately

(1)	N = Normal, M = Monitor, A = Action

Hydraulic Fan (If Equipped)

Reference: Refer to Testing and Adjusting, KENR6497, "Calibrations, Diagnostic Tests (Cat ET)" for more information.

Table 28

Status(1)	Description	Specification	Actual	Comments
	Max Fan Speed	Cat Et
	Minimum Fan Speed	Cat ET
	Margin Pressure (Low Idle)	Cat ET
	High Pressure cutoff (High Idle)	Cat ET

(1)	N = Normal, M = Monitor, A = Action

S·O·S Samples

Reference: Refer to Operation and Maintenance Manual, SEBU8777, "834K Wheel Dozer", "Maintenance Interval Schedule" for more detail on performing S.0.S samples.

Reference: Refer to Operation and Maintenance Manual, SEBU8778, "836K Landfill Compactor", "Maintenance Interval Schedule" for more detail on performing S.0.S samples.

Engine Oil Sample

Table 29

Status(1)	Description	Obtain	Comments
	Engine Oil Sample

(1)	N = Normal, M = Monitor, A = Action

Engine Coolant Sample

Table 30

Status(1)	Description	Obtain	Comments
	Engine Coolant Sample

(1)	N = Normal, M = Monitor, A = Action

Hydraulic Oil Sample

Table 31

Status(1)	Description	Obtain	Comments
	Hydraulic Oil Sample

(1)	N = Normal, M = Monitor, A = Action

Differential & Final Drive Oil Samples (Inboard Final Drives)

Table 32

Status(1)	Description	Obtain	Comments
	Front Differential & Final Drive Oil Sample
	Rear Differential & Final Drive Oil Sample

(1)	N = Normal, M = Monitor, A = Action

Differential & Final Drive Oil Samples (Outboard Final Drives)

Table 33

Status(1)	Description	Obtain	Comments
	Front Differential Oil Sample
	Rear Differential Oil Sample
	Left Front Final Drive Oil Sample
	Right Front Final Drive Oil Sample
	Left Rear Final Drive Oil Sample
	Right Rear Final Drive Oil Sample

(1)	N = Normal, M = Monitor, A = Action

Transmission/Torque Converter Oil Sample

Table 34

Status(1)	Description	Obtain	Comments
	Transmission/Torque Converter Oil Sample

(1)	N = Normal, M = Monitor, A = Action