1999/09/13 Caterpillar

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

Usage:

515 (4LR),
525 (1DN) Wheel Skidders

Reference: Service Manual Module, SENR6686-01, Transmission and Grapple Electronic Control System, Systems Operation Testing and Adjusting; 515 and 525 Wheel Skidder. This module is found in Service Manual, SENR6680, 515 and 525 Wheel Skidder.

Corrections should be made to Service Manual Module SENR6686-01 as follows.

Power Train Systems Operation, SENR6686-01; "Transmission Electrical Control Operation", Page 21: The following sections of Table 5 "Normal Shifting Sequence" needs to be changed as shown below. The remainder of Table 5 "Normal Shifting Sequence" is correct.

Power Train Systems Operation, SENR6686-01; "Transmission Electrical Control Operation", Page 24: The following sections of Table 7 "Normal Shifting Sequence" needs to be changed as shown below. The remainder of Table 7 "Normal Shifting Sequence" is correct.

Caterpillar Information System:

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

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

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

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

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

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

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

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

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

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

1999/09/06 New Governor Spring Has Improved Service Life {1265}

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

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

1999/09/13 Steering Cylinder Now Uses Improved Rod Seals {4303}

1999/09/13 Hood Liner Support Brackets Modified To Eliminate Interference With Air Conditioner Compressor Switch {7251}

1999/09/13 New Connector Protects Pilot Control Valve {5059}

1999/09/13 New Cleanout Filters Available For Hydraulic Systems And Drive Trains {5068}

1999/09/13 New 173-1530 Injector Seating Tool Group Available {0710,1290}

1999/09/13 Wider Crankshaft Gear Used {1204}

1999/09/20 Special Instruction, REHS0355, "Field Installation Of The 168-7958 Modification Arrangement" Is Available {5063,5705}

1999/09/20 Effectivity Of Product Support Literature For Caterpillar Monitoring System {0374,7490}

1999/09/20 New Parking Brake Actuator Adjustment Procedure Used {0374,4262,4267}

1999/09/20 Lift And Tilt Cylinder Now Uses Improved Rod Seals {5104,5102}

1999/09/20 VIMS-PC Version 2.4.3 MST Upgrade Now Available {7601,7620}