VALVE GP-PILOT 1U2620 - Caterpillar

COLOR="#003D84">Product Improvement Program For Marine Transmission Failures In Certain Grand Banks And Eastbay Boats
SMCS - 3353 PI3836
December 11, 1995
(Revised April 1996)
U-239
S-106
O-136
TM-10 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 "PI3836" 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 "PI3836" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
1995 NACD mail code U-239 is not in order since it was added at Revision SEBE5589-01 in April 1996.
This Revised Service Letter replaces the December 11, 1995 Service Letter. Changes have been made to the Mail Codes.
Completion Date
June 30, 1996Termination Date
December 31, 1996Problem
Certain Grand Banks and Eastbay Boats powered by 3208 Marine Engines with Twin Disc MG5061A Transmissions with the rubber block drive have the potential for the transmission to fail. A new coupling assembly needs to be installed.
Affected Product
Model & Identification Number
3208 (1Z25856, 25862, 26221, 26225, 26243, 26247, 26249-26251, 26412, 26655, 26672, 26688, 26696, 26731, 27286, 27294, 27430, 27436, 27445, 27524, 27530, 27532, 27539, 27606, 27626, 27835, 27957, 27972, 27974, 27977, 27983, 28113, 28118, 28125, 28127, 28144, 28146, 28152, 28155, 28156, 28238, 28241, 28242, 28245, 28246, 28354, 28355, 28357, 28358, 28360-28362, 28521, 28522, 28565, 28574, 28578, 28593, 28693)
Parts Needed
Dealers will need to order parts for this Program.
1 - 7E6040 Seal-Oil1 - 1325533 Coupling AssemblyAction Required
1. Using a flashlight, look through the marine transmission housing vent holes to inspect the existing coupling between the engine and transmission.2. If the existing coupling is a rubber block drive coupling, replace it with a 1325533 Coupling.3. Replace the 7E6040 Input Oil Seal.4. Place a thin film of sealant (Loctite 242 or equivalent) around the outer diameter of the input oil seal and press the seal into the bore flush with the outer face of the rear housing.5. If the transmission fails before the coupling is installed, repair the transmission and include the costs of the repair under this program.Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
This is a 16-hour job.
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)Copy Of Owner Notification For U.S. And Canadian Owners