CAP 9C3849 - Caterpillar

SEBE7910-06 February 3, 2002
(Revised May 2003)
U-32
A-23
O-25
Safety PRODUCTIMPROVEMENT PROGRAM FOR REPLACING AIR SHUTOFF VALVES ON CERTAIN 3512B OILWELL SERVICING ENGINES
1078 PI10108
This Program must be administered assoon as possible. When reporting the repair, use "PI10108" as the Partnumber and "7751" as the Group Number, "56" as the Warranty Claim DescriptionCode and "T" as the SIMS Description Code. Exception: If the repair isdone after failure, use "PI10108" as the Part Number, "7751" as the GroupNumber, "96" as the Warranty Claim Description Code, and "Z" as the SIMSDescription Code. This Revised Service Letter replacesthe February 3, 2002 (Revised September 2002) Service Letter. Changes havebeen made to the Affected Product.PROBLEM
Air shutoff valves on 3512B oil well servicing enginescan malfunction, resulting in valve seizure or engine operation with onevalve closed. Results may include air cleaner fires.AFFECTED PRODUCT
Model Identification Number
GROUP 1
3512B 2AF194-262,278-284
GROUP 2
3512BPUMP 6RZ150-207,356-423
8ZZ302-309,510-512
5XZ1018-1021
GROUP 3
3512B 2AF263-300PARTS NEEDED
GROUP 1 & 2
3 - 2H3755 BOLT
3 - 5P4116 WASHER-CONIC
1 - 2022136 SHIELD-EXHAU
1 ? 2092690 SHUTOFF GP
1 ? 2092691 SHUTOFF GP
1 ? 2110194 HARNESS AS
1 ? 2135238 TUBE AS
1 ? 2135239 TUBE AS4 ? 6V3917 SEAL4 ? 6V5103 SEAL2 ? 6V5054 SEAL2 - 5F0304 PLUG4 ? 4B8407 WASHER1 ? 0L0472 BOLT1 ? 5M2894 WASHER
Group 3
1 ? 2092690 SHUTOFF GP
1 ? 2092691 SHUTOFF GP
1 ? 2138072 TUBE AS
1 ? 2138073 TUBE AS
4 ? 6V3917 SEAL
4 ? 6V5103 SEAL2 ? 6V5054 SEAL1 ? 0L0472 BOLT1 ? 5M2894 WASHER2 - 5F0304 PLUG4 ? 4B8407 WASHERACTION REQUIRED
See the attached Rework Procedure.OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.SERVICE CLAIM ALLOWANCES
Groups1 & 3
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100%