VALVE AS-SHUTOFF 1228698 - Caterpillar

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 "PI3625" 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 "PI3625" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and " Z" as the SIMS Description Code.
This Revised Service Letter replaces the February 18, 1993 (Revised April 1993) Service Letter. Changes have been made to the Affected Product.
Completion Date
August 31, 1993Termination Date
February 28, 1994Problem
The air cleaner body assembly needs to be changed on certain D7H and D8N Tractors; 14G Motor Graders; 824C, 825C, and 826C Compactors; and 936F, 950F, and 980F Loaders.
Affected Product
Model & Identification Number
D7H (5BF5590-5595; 4FG5548; 79Z5543, 79Z5544, 79Z5546; 80Z5517)
D8N (5TJ375-458, 5TJ461, 5TJ464-490, 5TJ495-527, 5TJ529-533, 5TJ535-627, 5TJ629-631, 5TJ637, 5TJ642)
14G (96U8878, 96U8879, 96U8881, 96U8882, 96U8885-8891, 96U8894-8906)
824C (85X1583, 85X1590-1599, 85X1602-1604)
825C (86X1030, 86X1033-1038, 86X1040, 86X1041)
826C (87X1467-1501, 87X1504-1507, 87X1511, 87X1518, 87X1521-1526, 87X1528, 87X1530, 87X1534, 87X1535, 87X1548-1550)
936F (8AJ433-442)
950F (5SK191-223, 5SK225-240, 5SK243-246, 5SK248-254)
980F (8CJ553-639, 8CJ641, 8CJ642, 8CJ644-652, 8CJ654-670, 8CJ672, 8CJ675-680, 8CJ689, 8CJ693, 8CJ696, 8CJ701, 8CJ703, 8CJ705, 8CJ706, 8CJ708, 8CJ709, 8CJ711-717, 8CJ728-730, 8CJ736, 8CJ739)
Parts Needed
D7H Tractors
1 - 1064168 Body Assembly1 - 9S1274 Gasket (use if needed)D8N Tractors
1 - 1064166 Body Assembly1 - 1P6832 Gasket (use if needed)14G Motor Graders
1 - 1064161 Body Assembly1 - 9S1274 Gasket (use if needed)824C, 825C, And 826C Compactors And 980F Loaders
1 - 1064160 Body Assembly1 - 1P6832 Gasket (use if needed)936F Loaders
1 - 1064164 Body Assembly1 - 9S1274 Gasket (use if needed)950F Loaders
1 - 1064165 Body Assembly1 - 9S1274 Gasket (use if needed)Action Required
Wheel Loaders, Wheel Tractors and Motor GradersThe air cleaner access cap is now retained by two overcenter clamps instead of two eyebolts. This program is replacing the body assemblies of those air cleaners with the overcenter clamp arrangement only. If the product that is to be worked on has an air cleaner that has the element access cap retained by the two eyebolts but is listed in this program, the machine does not have to have the body replaced. No rework is needed.
D6H, D7H and D8N
On D6H and D7H, the air cleaner access cap is now retained by two overcenter clamps. This program is replacing the body assemblies of those air cleaners with the overcenter clamp arrangement only. If the product that is to be worked on has an air cleaner that has the element access cap retained by the two eyebolts but it is listed in this program, the affected product does not have to have the body replaced. No work is needed.
On D8N, the air cleaner cap is retained by two eyebolts. This program is replacing the body assemblies retained by two eyebolts listed.
Clean the area around the