1992/06/01 Caterpillar

Improved Joystick Available For The RT80/RT100 Telescopic Material Handler{5700}


RT80, RT100 Telescopic Material Handler

Reference: Special Instruction; TMH Mark III Calibration Standard Hydraulics, SEHS6222.

Description of Change: An improved 838886 Joystick Controller is now available. The improvements are all internal and include:

1. Improved RFI protection
2. Static protection
3. Improved head wiper tracks
4. Conformal coating on the bottom PCB

Since these changes are all internal, a permanent identifying mark has been put on the new joystick. This mark is a 19 mm (.75 in) diameter red mark under the controller head on the right hand side.

Adaptable To: The improved joystick is retrofittable and easily changed. After changing the joystick the electronic control box needs to be recalibrated. Refer to Special Instruction, "TMH Mark III Calibration Standard Hydraulics", SEHS6222.

Caterpillar Information System:

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1991/12/01 Checking The 838440 Joystick Group{5485}
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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}
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1994/07/08 Extended Shuttle Valve Holder{4289}
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