1996/10/28 Caterpillar


Additional Brake System Servicing Information {4005}

Usage:


RT50, RTC60 (5PF, 4XG),
RT60 (5DG),
RT50 SA (8DJ) Telescopic Material Handlers

Reference: Operation & Maintenance Manual SEBU6387, Page 27.

Description of Change: The following changes have been made to the above listed models. This information is not included in Operation & Maintenance Manual SEBU6390.

1. Later RT50 SA, RT50, RTC60 and RT60 machines have a master cylinder reservoir which is located under the dash panel at the right side. The reservoir should be checked weekly and the level maintained at 25.4 mm (1.00 in) below the rim. SAE 10W/30W mineral oil must be used.

2. RT60 machines and some RTC60 machines with field installations have treadle type power brakes (Service Brake) as shown on Page 27 of the reference. These machines require no routine service on the treadle type brake.

Adaptable To: The master cylinder changes are adaptable to all of the above listed models. The treadle type power brake is effective with RT50 SA (5DG357) and is adaptable to all of the above machines.

Caterpillar Information System:

1996/10/28 Procedure To Adjust Creeper Speed Control {3162}
1996/10/28 Special Instruction SEHS9953 Available for Procedure to Repair Dump Body Pivot Assemblies {7258}
1996/10/28 Special Instruction SEHS9952 Available for Procedure to Repair Dump Body Pivot Assemblies {7258}
1996/10/28 Modifications To Body Guide Prevent Interference {7258}
1996/10/28 New Race Used in Steering Groups to Improve Angular Rotation of Sockets {4305}
1996/10/28 Parts Added to Increase Clearance Between Steering Relief Valve Group and Engine Oil Pan Assembly {4304,4307}
1996/10/28 Higher Viscosity Power Train Oil Should Be Used in Certain Applications {4070,0645}
1996/10/28 New Flange And Seal Can Be Used In Engine Turbocharger Groups To Help Prevent Exhaust Leaks {1052,1059}
1996/10/28 Cab Door Hold Back Latch Modifications Improve Door Retention {7308,7325}
1996/10/28 Front Idler Hub Oil Change Interval And Factory Oil Fill Changed {4159,4167,4215}
1996/10/28 Improved Final Drive Pinion Bearing Setting Procedure Used And New Shim Pack Kit Available {4050,4091}
1996/10/21 New O-Ring Seals Used On "Through-Head-Adapter" And "Internal Fuel Lines" In Fuel Injection Lines Groups{1252}
1996/10/28 Boom And Attachment Control Must Be In The "HOLD" Position When Starting The Engine {5725,7400}
1996/10/28 Procedure To Assemble Hydraulic Pilot Line Fittings {5057}
1996/10/28 Seal Kits For Hydraulic Unit Injector Pump Groups Available {1250,1714}
1996/10/28 New Procedure For Installing The Gear On Scavenge Oil Pump Shafts Within Scavenge Oil Pump Groups {1312}
1996/11/04 New Tooling Available To Install Power Take-off Output Shaft And Hitch Rock Shaft Seals {0745,3107,0755,7117}
1996/11/04 Improper Monitoring Of DIFFERENTIAL OIL LEVEL By Vital Information Management System (VIMS) {3258,1920,7601}
1996/11/04 New Suspension Frame Group Now Used To Prevent Cracking {7216,7203}
1996/11/04 Adjustment Procedure For Cab Door Latch And Hold-Open Release {7301,7308}
1996/11/04 Fuel Injection Pump Bushings Have New Groove Adjacent To Load Ring {1251}
1996/11/11 Special Instruction, SEHS9874-01, "Challenger Agricultural Tractors In Scraper Applications"{0375,0376,4150,7000}
1996/11/11 Improved Electronic Control Modules Reduce Electrical Interference{7490,3175}
1996/11/11 Longer Battery Cable Now Used To Prevent Interference With Starting Motor Cover{1401}
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