INSERT-THREADED 1409921 - Caterpillar

Caterpillar: Confidential Yellow
PRIORITY - OIL PUMP BOLT NEEDS TO BE RETIGHTENED ON CERTAIN 215B AND 225B EXCAVATORS; 936, 950B AND 966D LOADERS; 3304 AND 330 6 GENERATOR SET ENGINES - MAILED US, CANADA, COSA
  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.
OIL PUMP BOLT NEEDS TO BE RETIGHTENED ON CERTAIN 215B AND 225B EXCAVATORS; 936, 950B AND 966D LOADERS; 3304 AND 3306 GENERATOR SET ENGINES, 1304, PI3255 U-105 A-44.1 E-41.1 O-54 priority COMPLETION DATE Termination Date
February 29, 1988 August 31, 1988
Problem
The bolt which holds the oil pump drive gear in place on certain of the above products may have not been tightened correctly.
Affected Product
Model Identification Number 215B 9YB3130-3136, 3143-3146, 3152-3154, 3158, 3160, 3161, 3177, 3184-3186, 3188, 3192, 3193, 3201, 3202, 3207, 3210, 3211 4FC828, 829, 831, 833-835 225B 3YD466, 476, 479, 493, 495, 496, 502, 507-510 936 45Z2823, 2831, 2834-2837 950B 63R5801, 5820, 5821, 5825, 5834, 5868-5873, 5878-5882, 5892 966D 94X6283, 6284, 6301, 6311, 6314, 6315, 6319, 6328 3304 Gen Set 5JC1070, 1071, 1075, 1077 3306 Gen Set 3TC1395, 1400-1404, 1419
Parts Needed
Dealers will need to order parts for this Program. 1 - 8S1963 Gasket (3304) 1 - 8S1965 Gasket (3306)
Action Required
Drain the engine oil. Lower the oil pan. Tighten the bolt to 43 +/- 7 N X m (32 +/- 5 lb ft). Install a new oil pan gasket and the oil. 1/870814/01/001 WARRANTY ALLOWANCES (SEE ILLUSTRATION)
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.