DUCT AS 2421920 - Caterpillar

This Program must be administered as soon as possible. When reporting the repair, use "PI1344" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI1344" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
This Revised Service Letter replaces the September 2, 1997 Service Letter. Changes have been made to the Problem, Affected Product, Parts Needed, Action Required and Service Claim Allowances.
Problem
A cab harness may be missing, causing the transmission to neutralize when the service brakes are applied on certain 814F, 815F, and 816F Compactors. All machines within the indicated serial number ranges must be inspected and repaired as required.
Affected Product
Model & Identification Number
Group 1
814F (9DM130-134)
815F (1GN268-369 2BS5-30 )
816F (5FN291-329)
Group 2
814F (9DM1-129)
815F (1GN1-267 2BS1-4 )
816F (5FN1-290)
Parts Needed
Group 1
1 - 1075630 Wire AssemblyGroup 2
1 - 1231148 Harness AssemblyAction Required
See the attached procedure.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
This is a 2-hour job.
U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach.(1-Owner Notification)(2-Rework Procedure)Copy Of Owner Notification For U.S. And Canadian Owners
Rework Procedure
1. Test to determine if the transmission neutralizer is operating:a. On a level surface away from any obstacles, turn on and warm up the machine engine.b. Toggle the LCD display to the tachometer mode.c. With the parking brake on, one foot on the brake pedal and the machine in neutral, press the throttle pedal down fully and record the maximum engine speed.d. With the parking brake off, one foot on the brake pedal and the machine in 3rd gear forward, press the throttle pedal down fully and record the maximum engine speed. The machine should not move. If the machine moves, consult the Operation And Maintenance Guide to conduct a brake test.
e. Shut off the engine and engage the parking brake.2. Compare the two maximum engine speeds.a. If the maximum engine speeds are the same, the transmission is neutralizing.Continue to Step 3 of the rework procedure.b. If the maximum engine speed of Step D is greater than the maximum engine speed of Step E the transmission is not neutralizing and the machine does not have to be reworked.3. If the transmission is neutralizing remove the 4 screws holding the right-hand switch panel as indicated in Illustration 1. 4. Group 1 Rework: With the panel removed, look for the 4-pin connector (1075630 Wire Assembly) indicated by Item 1 in Illustration 2. If no jumper plug is attached to the connector, 1075630 Wire Assembly should be plugged into the open connection.
5. Group 2 Rework: Be careful not to mistake the transmission neutralizer plug (Item 1) with the code plug identified as Item 2 in Illustration 2. Both plugs must