407918-1247 ZEXEL CONTROL UNIT Cross 4079181247 37820rsre18

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 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 "PS8088" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
This Revised Service Letter replaces the January 25, 1994 (Revised December 1994) Service Letter. Changes have been made to the Parts Stock Action.
Termination Date
January 31, 1996Problem
The fuel nozzles used on certain 3208 Engines may crack at the braze joint.
Affected Product
Model & Identification Number
3208 ( 30A5540-5956 (Arrangements 9Y8574, 9Y8575, 1228675, 1228676, 1228679, 1228680); 62W74820-80012 (Arrangements 0R0776, 0R0975, 0R0976, 0R2818, 0R2819, 0R2875, 0R3231); 5YF1531-2058 (Arrangements 4P2649, 4P3027, 9Y2229, 9Y3136, 1042666, 1061496, 1077956, 1077957); 01Z26425-28100 (Arrangements 2W1320, 2W1325, 7W7500, 7W9150, 1013714, 1176582); 03Z11912-13004 (Arrangements 4P1724, 1067075, 1108885, 1168163, 1168164, 1168165, 1214692); 51Z81870-82239 (Arrangements 4P0921, 4P0922, 111364); 93Z8798-11332 (Arrangement 0R1098); 99R1533-1541 (Arrangement 5R6639); 79V24858 (Arrangement 1W0331))
Parts Needed
1 - 0R2503 Nozzle Assembly (Reman Equivalent of 1W5829)*1 - 0R2821 Nozzle Assembly (Reman Equivalent of 7W3710)*1 - 0R3284 Nozzle Assembly (Reman Equivalent of 4W8483)*1 - 1153354 Nozzle Assembly (No Reman Equivalent)**Use as requiredAction Required
Parts Stock
Remove all 0R2503, 0R2821, 0R3284, 1W5829, 4W8483, 7W3710, and 1153354 Nozzle Assemblies from Parts Stock with date codes of D--3, E--3, F--3, G--3, H--3, J--3, K--3, L--3, M--3, A--4, B--4, C--4, D--4, E--4, or F--4. Date codes are located on the nozzle assembly as shown below:
Location of Date CodeAffected Product
Remove all 0R2503, 0R2821, 0R3284, 1W5829, 4W8483, 7W3710, and 1153354 Nozzle Assemblies with date codes of D--3, E--3, F--3, G--3, H--3, J--3, K--3, L--3, M--3, A--4, B--4, C--4, D--4, E--4, or F--4 from the engine and replace with new nozzle assemblies or the remanufactured equivalent nozzle assemblies.
Service Claim Allowances
Parts Stock
US and Canadian Dealers Only - When submitting a Parts Stock claim use 99Z00007 in the Product Identification Number Field.
Affected Product
Industrial and Marine Engines Up to 6-hours labor may be claimed.
Truck Engines Claim labor hours in accordance with TRG book.
Parts Disposition
U.S. and Canadian Dealers
Return all 0R2503, 0R2821, 0R3284, 1W5829, 4W8483, 7W3710, and 1153354 Nozzle Assemblies that are removed from Parts Stock and a copy of the claim to:
Caterpillar Inc.
Attn:Howard Jenkel
Service Claims Room
8201 N. University
Peoria, IL 61615
For remanufactured nozzle assemblies 0R2503, 0R2821, and 0R3284, include a copy of the "Core Credit Request Packing List".
All Other Dealers
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.