GRILL GP-RADIATOR 2349599 - Caterpillar

June 3, 2001
(Revised August 2001)
U-129
A-86
AU-76
S-59
H-45
O-99
beforeor
after failure PRODUCT SUPPORT PROGRAMFOR INSPECTING AND TIGHTENING CYLINDER HEAD BOLTS ON CERTAIN 3306 ENGINESINSTALLED IN D25D, D30D, D250E, D300E ARTICULATED TRUCKS; AND IN 970F,966F II, 966G, 972G WHEEL LOADERS
1124,1100 PS40562
This Program can be administered eitherbefore or after failure. In either case the decision whether to apply theProgram is made by the dealer. When reporting the repair, use "PS40562"as the Part number and "7755" as the Group Number. If administered beforefailure, use "56" as the Warranty Claim Description Code and use "T" asthe SIMS Description Code. If administered after failure, use "96" as theWarranty Claim Description Code and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe June 3, 2001 Service Letter. Changes were made to the Affected Product.TERMINATION DATE
June 30, 2003PROBLEM
The cylinder head bolts on the affected productmay not have been tightened to the proper specification.AFFECTED PRODUCT
Model Identification NumberD25D 1HK698-UpD30D 3AJ421-UpD250E 5TN1190-UpD300E 7FN584-UpD250EII 4PS1?680, 683-692, 695-705, 708,713-717, 731, 736, 740,
747, 755, 756, 759-761, 764-772, 775, 779, 780-784D300EII 5KS1?462, 464-573, 576, 578-580,583-585, 595-608, 613-Up970F 9JK690-879966F2 9YJ3681-5179966G 3PW235-1335966G 9RS297-1571972G 6AW265-Up972G 1EW177-775PARTS NEEDED
1 - 1331247 Seal Valve CoverACTION REQUIRED
Remove valve covers.
In numerical sequence 1-26(see illustration)
Loosen head bolts ONE AT A TIME until the washeris loose under the head of the bolt.
Tighten bolt to 156 +/- 17 N m. (115 +/-12 lb ft).
Tighten bolt to 250 +/- 17 N m. (185 +/-13 lb ft).
Tighten bolt to 250 +/- 17 N m. (185 +/-13 lb ft).
For bolts A-G, without loosening, tightenbolt to a torque of 43 N m. +/- 7 N m. (32 lb-ft).
Adjust valve lash as follows:
Valve Lash
Inlet = 0.38 mm (0.015 in)
Exhaust = 0.64 mm (0.025 in)
Replace valve cover gasket 1331247 and torquebolts to the specification in the Specification Section of the ServiceManual.
SERVICE CLAIM ALLOWANCES
Product smu/age whichevercomes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-3 Years
0-1000 Hrs 100 % 4 0 0 0 0
This is a 4.0- hour job. This program cannot be applied to machineswith more than a 1000 hours. After a 1000 hours the gasket maybe damagedand should be replaced AFTER FAILURE ONLY under PS50224.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.