1996/12/23 Caterpillar

New Telehandler Brake Pack Adjustment Procedure For Rebuilt Brake Groups{4251,4004,4255,4261}

Usage:

RT50 (4XG, 5PF) RT50SA (8DJ) RTC60 (4XG, 5PF) RT60 (5DG) RT80 (1GJ) RT100 (1GJ) TH62 (3LN, 4TM),
TH63 (3NN, 5WM),
TH82 (3JN, 3KN),
TH83 (3RN) TH103 (3PN) Telehandlers

SUPPLEMENT: 7/6/98

Service Magazine; December 23, 1996; "New Telehandler Brake Pack Adjustment Procedure for Rebuilt Brake Groups"

Disregard this article and see the article titled "Telehandler Brake Systems"in this issue.

--------------- END SUPPLEMENT ---------------

Reference: Systems Operation, Testing & Adjustment Manual, SENR5844-01, Page 13.

The following procedure is necessary only when the brake packs have been replaced. Normal wear is automatically compensated.

Illustration 1. Location Of Brake Adjusters. Each Brake Pack Has Three Adjusters.

Illustration 2. Disc Brake Group. (1) Adjuster.(2) Locknut.

1. Loosen locknuts (2).

2. Turn each adjuster (1) counterclockwise until it bottoms.

3. Turn each adjuster (1) clockwise three quarters of a turn and tighten the locknuts (2).

Caterpillar Information System:

1996/12/23 New Temperature Sensors Used Which Prevent False Over Temperature Warnings{1906,1400}

1996/12/23 Torque/Turn Method Used To Tighten Brake Caliper Retaining Bolts{4256}

1996/12/23 Improved Seals And Bearings Used To Reduce Seal Leaks In Transfer Gear Groups (6WD){3250}

1996/12/23 Orificed Check Valve Removed From Hoist Cylinder Groups For Truck Bed{5102,5486}

1996/12/23 Externally Adjusted Relief Valve Used In Steering Control Valve Group{4307,4322}

1996/12/23 Improved Relief Valve Group For Drive System Reduces Pressure Spikes{5069}

1996/12/16 Tools Used For Transmission Overhaul {3400}

1996/12/16 1U-9069 Limp Home Switch Allows Transmission Control Valve To Be Remotely Operated If Controller Fails {3418}

1996/12/16 Use 1U-9079 PTO Alignment Tool To Aid In Aligning PTO Drive Shaft During Installation {3107}

1996/12/16 Tools Used For Removal And Installation Of Rear Axle Group {3278}

1996/12/16 Use 1U-9100 Adapter Cable To Connect Mid-Size Challenger's On-Board Electronic System To A Personal Computer {7490}

1996/12/16 O-Ring Available For 816328 E.H.P. Block {5125,5126,5059,5461,5466,6406,6460}

1996/12/23 New Rotocoil Assembly Used In Engine Cylinder Head Groups{1109}

1996/12/30 Description Of August 1996 (AUG96) Personality Module Changes For 3176B (43Z), 3176C (7ZR), And 3196 (6AR) Engines {1902,1901,1923,7414}

1996/12/30 3054 Engine - New Rear Crankshaft Oil Seal Housing Provides Better Seal {1161}

1996/12/30 Seal Improvement Prevents Leakage In Hook Winch Groups {5417}

1996/12/30 Improved Seals And Bearings Used To Reduce Seal Leaks In Output Transfer Gear Groups {3159,3003}

1996/12/30 New Hydraulic Pump Group Increases Service Life {5070}

1996/12/30 Procedure For Aligning Front Suspension Frame Group With Output Transfer Gearbox {7200}

1996/12/30 Supplement To Operation And Maintenance Manual; "Dual Position Switch To Operate The Tilt Kickout System" {1435,7451}

1996/12/30 Improved Boom Electrical Harness Routing For Increased Reliability {1408}

1996/12/30 Flywheel Housing To Cylinder Block Joint Improvements {1157,1201}

1997/01/13 1U-9095 Lifter Group Allows Complete Undercarriage To Be Moved With Fork Lift Or Farm Tractor{4150,0632}

1997/01/13 1U-6130 Guide Stud, 1U-9785 Guide Stud And 1U-9817 Guide Stud Makes Undercarriage Installation And Removal Much Easier And More Efficient{4150,0729}