Product Support Program For Installing A New Oil Filler Tube On Certain 793 And 793B Trucks Caterpillar

NOTE: 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.

NOTE: 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 "PS8402" 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.

Termination Date

Problem

The engine oil filler tube can crack at the tube-to-flange joint and causing an engine oil leak on certain 793 and 793B Trucks.

Affected Product
Model & Identification Number

793 (3SJ1-56)

793B (1HL1-253)

NOTE: Dealer exchange engines within the following serial number ranges are also covered by this Program.

(2PK1-680) (6CL1-Up) (7CL1-139) (54Z1-Up)

Parts Needed

1 - 7E3939 Bracket

4 - 5M2894 Washer-Hard

1 - 6N2206 Cap Assembly-Oil Filter

1 - 0S0509 Bolt

5 - 0S1588 Bolt

1 - 8S4212 Rivet

1 - 9S8752 Nut-Full

1 - 6V1581 Clip

1 - 6V1582 Bracket

1 - 6V4314 Seal-O-Ring

1 - 6V5066 Seal-O-Ring

1 - 6V6809 Seal-O-Ring

1 - 1W3862 Hasp

3 - 9X6458 Washer-Hard

1 - 1153624 Tube Assembly

1 - 1196339 Elbow

Action Required

Remove the existing oil filler tube plus the 7E7697 Auxiliary Water Pump Elbow. Install the new oil filler tube, new auxiliary water pump elbow and associated hardware as described in the May 8, 1995 Service Magazine article "Oil Filler Group Changes" on page 19.

Service Claim Allowances

NOTE: This is a 4-hour job.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.