1997/01/27 Caterpillar

An Improved Adjustment Procedure For The Steering Console Cylinder Eliminates Steering Console Drift {4300,5258}

Usage:

120H (2AN, 4MK, 6YN, 5FM, 6TM, 9FN, 6NM, 9YR),
135H (3YK, 7ZN, 7MM, 8WN),
12H (2WR, 4XM, 8MN, 4ER, 5ZM, 2GS, 2LR),
140H (2ZK, 3FR, 9TN, 9ZN, 5HM, 8JM, 3AS, 8KM),
143H (1AL),
160H (3GM, 3HR, 9EJ, 2FM, 9JM, 2HS, 6WM),
163H (5AK),
14H (7WJ),
16H (6ZJ) Motor Graders

SUPPLEMENT: JANUARY 26, 1998

Service Magazine SEPD0342; January 27, 1997; Page 10; "An Improved Adjustment Procedure For The Steering Console Cylinder Eliminates Steering Console Drift" for 120H, 135H, 12H, 140H, 143H, 160H, 163H, 14H, and 16H Motor Graders.

Disregard this article and see Service Magazine SEPD0401, Page 13, Article 6 with the same title.

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

Reference: Refer to the Hydraulic and Steering Systems module of the appropriate Spectifications, System Operation, Testing and Adjusting, Service Manual for your machine.

The adjustment procedure for the steering console cylinder given in the service manuals for these machines may be too fine of an adjustment in some cases. If the steering console cylinder is drifting the adjustment should be checked. The following procedure and illustration should be used when adjusting the cylinder.

Lower Cross Section of 116-4211 Console Group

1. Thread the cylinder and rod (1) into the retainer (2).

2. Tighten the cylinder and rod (1) until the pin (3) contacts the ball (4).

3. Loosen the cylinder and rod (1) one half turn.

4. Tighten the locknut (5).

Caterpillar Information System:

1997/01/27 Improved Procedure For Preloading Final Drive Bearings Now Available {4050,4059}

1997/01/27 Charcoal Air Filter Available Reduces Odors From Outside Air {7309,7320,7342}

1997/01/20 Improved Multi-Row Modules (IMRM) Used In Caterpillar Radiators Have Different Designs {1353}

1997/01/20 New Remanufactured Water Pump Groups Include Cast Iron Impellers {1361}

1997/01/20 Methods Of Obtaining Engine Flash Files {1902}

1997/01/20 VIMS-PC Service Tool Operating System Environment Answers {7601}

1997/01/20 A Port Now Provided In The Engine Oil Filter Group For Scheduled Oil Sampling (S.0.S.) {7542,1306,1051}

1997/01/20 Dump Body Mounted Mud Deflectors (Mud Flaps) Are Available To Prevent Mud From Being Thrown On The Back Of The Tractor {4220}

1997/01/20 Improved Bearings Used In Output Transfer Gear Group {3159}

1997/01/20 New Check Valve Group And Larger O-ring For Load Monitoring System Eliminates O-ring Interference {5067,7200}

1997/01/20 Increased Tightening Specification Improves Retention Of Thrust Washer Screws In Final Drive {4051}

1997/01/20 New Ether Starting Aid Groups Include Flexible Hose Assemblies Instead Of Tube Assemblies {1456}

1997/01/27 Special Instruction, REHS0033, "Assembly Procedure For 777D Truck Body" Is Available {0374,7258,7960}

1997/01/27 New Temperature Sensor For Differential Improves VIMS Data Accuracy {3290,7601}

1997/01/27 New Shield In The Exhaust Shield Group Gives Improved Service {1067}

1997/01/27 New Pressure Switch Assembly Available To Allow The Jake Brake To Release At Low Engine Speed {1119}

1997/01/27 Installation Of The Parts Service 7N-3542 Core In The Basic Radiator Assembly {1353}

1997/01/27 New Hose Assembly Improves Hose Routing And Prevents Damage Due To Contact With Steel Tubes {3154}

1997/01/27 New Hoist Control Lever And Handle Improves Operator Comfort {5063}

1997/01/27 New Parts Service Pad And Shim Replaces The Buffer In The Dump Body Group {7258}

1997/01/27 Parts Service Block Replaces Nuts To Provide Better Bolt Retention For The Spillplate Assembly In The Body Group {7258}

1997/01/27 Remote Lubrication Lines Used To Lubricate Upper Hoist Cylinder Pins {7510,7258,5102}

1997/01/27 Special Instruction REHS0006 Available For Installation Of Output Yoke And Screen Housing On Remanufactured Transmissions {3159,3002}

1997/01/27 Solution To Cab Window Fogging {1818,7309,7310,7320}