MOUNTING GP-ENGINE FLEXIBLE 1735623 - Caterpillar

Caterpillar: Confidential Yellow
PSP FOR REPLACING THE CONTROL GROUP (PERSONALITY MODULE) ON CERTAIN 460 HP 3406B PEEC ENGINES - PS4589 - MAILED US AND CAN ADA, TRUCK TEPS
  The information supplied in this service letter may not be valid after the termination date of this program.   Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
U-51 TT-3 1900 PS4589 This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4589" as Part Number, "7755" as Group Number, and "96" as Description Code. Although this program is to be administered on the Affected Product as described above, parts should be removed from parts stock as soon as possible. Termination Date
March 31, 1992
Problem
The 0R6188 Control Group (personality module) used on certain 460 Hp 3406B PEEC Engines may need to be replaced to increase clutch engagement torque.
Affected Product
Model Identification Number 3406B 5YG1-Up
Parts Needed
1 0R6269 Control Group
Action Required
**** Parts Stock **** Remove all 0R6188 Control Groups from parts stock. **** Affected Product **** 1. Remove the existing 0R6188 Control Group (personality module) and replace it with the 0R6269 Control Group. 2. Program Full Load Setting (FLS) and Full Torque Setting (FTS) to zero (0) and zero (0). 3. Program low idle to 700 RPM or higher.
Service Claim Allowances
**** Parts Stock **** Submit one claim for all 0R6188 Control Groups removed from parts stock. **** Affected Product **** Product Caterpillar Dealer Suggested Customer Suggested miles/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs whichever comes first 0-300,000 100% 1.8 0 0 0 0 0-36 mo This is a 1.8-hour job. See the labor breakdown. Labor Breakdown 1000-74 .3 Wash 1000-38 .5 Diagnostic 1902-10 .5*