FINISH GP 1041855 - Caterpillar

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS50022" as the Part number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
Termination Date
April 30, 2002Problem
The present radiator may plug in dusty application, resulting in coolant overheating on certain 320B, 322B, 325B and 330B Excavators. Installing a new radiator with a new type of fins and a larger meshing can solve the problem.
Affected Product
Model & Identification Number
Group 1
320B (1XS1-966, 6LW1-328)
320BL (7JR1-2492, 9WS1-186, 3YZ1-992)
320BN (2AS1-698)
320BS (5MS1-613)
Group 2
322BL (2ES1-887)
322BLN (1ZS1-623)
325BLN (8FN1-1297)
325BL (6DN1-1086, 4DS1-241, 5BS1-231)
Group 3
330BL (3YR1-1036)
330BLN (5LR1-766, 4RS1-464, 5LS1-254)
Parts Needed
Group 1
1 - 1874226 Radiator GroupGroup 2
1 - 1874227 Radiator GroupGroup 3
1 - 1874228 Radiator GroupAction Required
See the attached rework procedure.
Service Claim Allowances
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Attach.(1-Rework Procedure)Rework Procedure
1. Drain the coolant of the radiator.2. Replace the radiator core by the new low plugging radiator core (see Illustration 1).3. Fill the coolant in the new radiator.
Illustration 1.