PANEL GP-ELECTRONIC 4256733 - Caterpillar

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.
This Program must be administered as soon as possible. When reporting the repair, use "PI3812" 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 "PI3812" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
Completion Date
April 30, 1996Termination Date
October 31, 1996Problem
The 1005075 GLBI Control on certain 5130 and 5230 Excavators may cause a hesitation of the implement pump resulting in slow response time of the implements.
Affected Product
Model & Identification Number
5130 (5ZL27, 5ZL29, 5ZL31-59)
5230 (7LL28, 7LL30-36)
Parts Needed
Dealers will need to order parts for this Program.
1 - 1217442 Control GroupAction Required
Parts Stock
Remove all 1005075 Control Groups from Parts Stock, and return them according to the parts disposition listed below.
Affected Product
1. Remove the 4-resistor jumper harness between the 1005075 GLBI Control and the cab support panel harness on 5130 Excavators. 5230 Excavators will not have a 4-resistor jumper harness, continue with steps 2 through 4.
2. Remove the existing GLBI Interface Module.3. Install the new 1217442 GLBI Interface Module.4. Reconnect the main cab support panel harness directly to the new GLBI.Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
Parts Stock
Submit one claim for all 1005075 removed from Parts Stock.
US and Canadian Dealers Only - When submitting a Parts Stock claim use 99Z00001 in the Product Identification Number Field.
Affected Product
This is a 1.0-hour job.
Parts Disposition
U.S. and Canadian Dealers
Return all 1005075 Control Groups that are removed from Parts Stock and a copy of the claim to:
Caterpillar Inc.
Attn: M. Duane Snyder
Service Claims Room
8201 N. University
Peoria, IL 61615
All Other Dealers
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)Copy Of Owner Notification For U.s. And Canadian Owners