1992/06/01 Caterpillar

Rolling Hose Pulley Modification Improves Hose Retention{6460}


RT60 (5DG);
RTC60 (5PF) Telescopic Material Handlers

Description of Change: The rolling hose may come off the number two boom pulley and be damaged. A washer can be fabricated and installed on the pulley to help retain the rolling hose.

Adaptable To: The washer is adaptable to first production on the above mentioned machines equipped with 897362, 985347, 844209, 985437 and 844206 Boom Section Groups (Number Two). The washer is not available through the parts system but can be fabricated and installed using the following procedure.

Illustration 1
(A) 20 ± 1 mm (.78 ± .04 in). (B) 130 ± 3 mm (5.12 ± .12 in). (C) 4 mm (.16 in).

1. Fabricate washer using a non-metallic material such as nylon or Lexan®. See illustration 1.

Illustration 2
(1) Split pin. (2) Washer. (3) Pulley. (4) Roller pin.

2. Remove 3B4624 Split Pin (1), 8T4123 Washer (2) and 897325 Pulley (3) from 897326 Roller Pin (4). See illustration 2.

Illustration 3
(1) Split pin. (2) Washer. (3) Pulley. (4) Roller pin. (5) Washer. (6) Fabricated washer.

3. Install 8T4123 Washer (2), 897325 Pulley (3), fabricated washer (6), new 8J1899 Washer (5) and new 3B4624 Split Pin (1) onto 897326 Roller Pin (4).

Caterpillar Information System:

1991/12/01 Checking The 838440 Joystick Group{5485}
1991/12/01 Service Parts Available for 838440 Joystick Controller Group. Procedure to Recalibrate the Joystick{5485}
1991/12/01 RT80/RT100 Gearbox Lubrication{3000}
1991/12/01 Test Harness For Calibrating 838141 Electronic Control Box{5485}
1991/11/01 Parts Book Correction{5725}
1991/08/01 Timing Mark Identification On Fuel Pump Gear{1286,1251,1272}
1990/01/15 Separate Service Manual Microfiche Library Available For Engines Only {1000,0374,0375}
1990/01/15 Capability To Push A Nurse Or Additive Truck {5600,3060}
1990/01/15 New Conveyor Drive Pump Increases Conveyor Speed {5620}
1990/01/15 Many Components That Were Previously Only Serviced As Complete Groups Now Have Serviceable Components {0374}
1990/01/15 New Governor Control Cable Resists High Temperature And Is More Appropriate For Some Applications {1265}
1990/01/15 Information About Front Tire Wear And Drive Train Noise {4203,4231,4233,3000}
1992/06/01 Improved Joystick Available For The RT80/RT100 Telescopic Material Handler{5700}
1994/07/08 Ensure Brake Hose Is Clear Of Engine Oil Pan{4257}
1994/07/08 Improved Mounting Method For Hydraulic Quick Hitch Pins{5133}
1994/07/08 Alternator Circuit Breaker May Have An Intermittent Fault{1420}
1994/07/08 Avoid Damage to Boom and Attachment Control{5700}
1994/07/08 Brake System Servicing{4005}
1994/07/08 Improved Master Cylinder Available{4258,4259,5470}
1994/07/08 New Retrofit Kit Available For Brake Pipe Arrangement{4257}
1994/07/08 Improved Transmission Oil Filler Tube Mounting{3014}
1994/07/08 Transmission Drive Shaft Group Replacement{3253}
1994/07/08 Extended Shuttle Valve Holder{4289}
1994/07/08 Improved Lubrication Of Attachment Coupler Bushing{5133}
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.