1996/08/19 Caterpillar

Procedure For Setting Rear Steering Position Sensor {4005}

Usage:

TH62 (4TM, 3LN),
TH63 (5WM, 3NN),
TH82 (3JN, 3KN),
TH83 (3RN) Telehandlers

The following procedure can be used to adjust the rear axle steering position sensor to provide the correct working clearance:

Illustration 1.

1. Steer the rear wheels to the straight forward position as shown in Illustration 1.

2. Turn the engine start switch key to the "ON" position. Do NOT start the engine.

3. Move the steering master switch to the "OFF" position (center position).

4. If Light Emitting Diode (L.E.D.) (1) on sensor (2) is illuminated, move the sensor toward target (4) by adjusting nuts (3) until the L.E.D. is extinguished and tighten the nuts.

5. If the L.E.D. is not illuminated, move sensor (2) away from target (4) by adjusting nuts (3) until the L.E.D. is illuminated. Move the sensor towards target (4) by adjusting nuts (3) until the L.E.D. is extinguished and tighten the nuts.

Caterpillar Information System:

1996/08/19 Governor Control Cable Improved {1265}

1996/08/19 New Master Cylinder Group Reduces Brake Pedal Effort {4258}

1996/08/19 New Parts Service Bearing For The 6Y-5893 and 6Y-5965 Basic Torque Converter Groups Gives Longer Service Life {3101,3134}

1996/08/19 Improvement For 117-7553 (Fuse Panel) Breaker Group Access {1417}

1996/08/19 New Seal Used In Metering Pump Group To Improve Service Life {4312}

1996/08/19 New Orifice Plate To The Rear Brake Cooling Return Oil Line Significantly Reduces Hub Wear {4257}

1996/08/19 New Seal Retainers And Backing Plate Used To Reduce Oil Leaks And Provide An Increased Face Load On Duo-Cone Seals {4251,7561}

1996/08/19 New Adapter Used In Oil Filter Group To Provide Increased Parts Commonality {1318}

1996/08/19 Replacing The Tee Gasket In Split Oil Pan Groups With A Flexible Gasket Maker {1300}

1996/08/19 Improved Tachometer Assembly Now Used Which Eliminates The Problem Of Moisture Entering The Flat Bezel {7462}

1996/08/19 Improved Test Procedure For Hydraulic Pump Torque Limiter {5070}

1996/08/19 Cab Improvements Reduce Glass Fracture and Improve Sealing {7310,7323,7340}

1996/08/19 Service Parts Available For Attachment Coupler Cylinder Lock Valve {5133}

1996/08/19 New Guard Reduces The Amount Of Dust And Debris Drawn Into The Engine Compartment From The Ground {7150,7153}

1996/08/19 New Joystick Cover Provides Additional Switch Protection {5705}

1996/08/26 New Electronic Flasher Assembly Used/Available Provides Longer Service Life {1400}

1996/08/26 Securing The Operation & Maintenance Manual To The Machine {0375,6400}

1996/08/26 Interim Information Regarding Bearing Settings For The 8I-4430 Transfer Gearbox Is Available {3159}

1996/08/26 Cover Available For Frame Level Switch {7332,7314}

1996/08/26 New Lifters Improve Roller-To-Camshaft Contact And New Bridges Provide Commonality With 3500B Engines {1102,1121,1209}

1996/08/26 Explanation of "Pull Up Voltage" {0350}

1996/09/02 Machining Locator Lug Removed To Reduce The Chance Of Torn Belts As A Result Of Untracking {4197,4198}

1996/09/02 Special Instruction, SEHS9246-01, "Using 9U-6860 Tool Group To Replace Unit Injector Sleeves" Is Available {1713}

1996/09/02 Engine Oil Pan Gasket Is Reusable {1302}