1999/09/06 Caterpillar

New Governor Spring Has Improved Service Life {1265}

Usage:

611 (6SZ),
615C-II (9XG) Wheel Tractors

Description of Change: A new design to the governor control has the spring hooking over smooth surfaces and not contacting sharp edges as was experienced with the former design.

Adaptable To: The change to 2T-3661 Governor Control is effective with 611 (6SZ211) and 615C-II (9XG1302) Wheel Tractors and is adaptable to earlier machines with the following procedure.

Illustration 1.
2T-3661 Governor Control. Attach the 126-7143 Plate (Item 2) to the fuel injection pump cover using the second and third bolts from the rear as shown.

Illustration 2.
View A-A from Illustration 1.

NOTE: Hook the spring over the shoulders of the spacer and the rod end of the governor cable. The rod end of the governor cable must be attached to the governor lever from the outside in order to provide proper alignment of the cable and spring.

Caterpillar Information System:

1999/09/06 New Wheel Improves Bearing And Wheel Service Life {4208,4006,4051}

1999/09/06 New Bracket Protects Flasher Control {1430}

1999/09/06 Front Gear Group Changed to Help Keep Oil Pump Adapter Assembly Bolts Tight {1206,1304}

1999/09/06 Improved Bearing For Torque Converter Drive Gear {3101,7551}

1999/09/06 New Transmission Oil Filter Used {3067,3068}

1999/09/06 Improvements To Air Cleaner Supports And New Software Help Prevent False Inlet Air Restriction Warnings {7452,1051,1071,1920}

1999/09/06 Improved Undercarriage Improves Service Life {4151}

1999/09/06 New Bulldozer Connectors Improve Service Life {6050,6061}

1999/08/30 Use 9U-6843 And 9U-6845 Reclaiming Stills To Recycle Coolant {0708,1352}

1999/08/30 Tightening Torque Increased For Nuts In Fuel Injector Wiring Harness Cap Assembly {1408}

1999/08/30 New Electronic Control Module For 3408E And 3412E Engines {1901}

1999/08/30 Use 165-4638 Guide To Install Exhaust Manifold {1059,0701,0702}

1999/09/06 New Hose Assembly For Air Suspension Seats Has Improved Service Life {7312,7324}

1999/09/06 New Metering Pump Provides More Precise Steering Control {4312}

1999/09/06 New Piston In Lift Cylinder Increases Clearance Between Tilt Lever And Axle Housing {5102,6116}

1999/09/06 A Special Instruction For Installing Bucket Control Linkage Assembly Modifications Is Available {6107,0374}

1999/09/06 Use 164-5848 Driver To Install Seals {6108}

1999/09/06 VIMS Version 9.6X Class Of On-board Software Available {7601}

1999/09/06 Modification Of Governor Control Groups Eliminates Governor Sticking {1264,1265}

1999/09/06 New Plate Deflects Rain Water {1417}

1999/09/06 Improved Transmission Flow Control Valve Prevents Unstable Oil Pressure {3064}

1999/09/13 Water Pump Elbow Modification {1361}

1999/09/13 Correction To Transmission And Grapple Electronic Control System, Systems Operation Testing And Adjusting, SENR6686-01 {0374,3168,4800}

1999/09/13 Correction To Power Train Systems Operation Module, RENR3044 {0374,3168,4800}