20499931 Volvo.Penta Hex. socket screw

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PSP FOR CYLINDER HEAD GASKET FAILURE ON SOME 3208 ENGINES - MAILED US AND CANADA, CACO, COFA, CFEL, 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.
PRODUCT SUPPORT PROGRAM FOR CYLINDER HEAD GASKET FAILURES ON SOME 3208 ENGINES, 1100, PS0276 U-76 A-33 AU-59 C-75 E-49 O-54 TT-3 TA-3 TM-3 This Program can only be administered after a failure occurs. When reporting the repair, use "PS0276" as Part Number and "7755" as Group Number. Termination Date
August 31, 1987
Problem
The former head gasket has not provided satisfactory service life in some applications. A new 7W2059 Gasket is now used in production. The new gasket has increased fire ring projection above the gasket body material and increased overlap of the fire ring wrapper.
Affected Product
Original Equipment Engines Remanufactured Engines 29A449 - 1214 57V1 - 29297 30A514 - 1885 62W1 - 34206 90N1 - 67099 93Z1 - 2375 75V1 - 8964 9WC1 - 42 1Z1 - 6048 5CD1 - 170 2Z1 - 19637, 19918-19949 3Z1 - 4582 51Z1 - 55827
Parts Needed
1 - 6V4876 Molykote Paste Lubricant 1 - Appropriate gasket kit (contains 2- 7W2059 Head Gaskets). Some gasket kits in dealer parts stock may not contain the 7W2059 Gasket. If so, 2 - 7W2059 Gaskets must be ordered separately. Remanufactured head groups should be used by U.S. and Canadian dealers if resurfacing of the cylinder head is needed. Engine Aspiration Remanufactured Cylinder Head Group Turbocharged 0R1101 Naturally Aspirated 0R1574
Action Required
Parts Stock Remove all 4W45 Gaskets from parts stock. Affected Product Action is required only after there has been a failure of the head gasket. If a failure occurs, replace both head gaskets. Install the new parts according to the procedures in Special Instruction SEHS8612-01. See attached. After the new gaskets have been installed, stamp "HG" in the upper right corner of the engine information plate which is on the valve cover. WARRANTY ALLOWANCES Submit one claim at your cost for all 4W45 Gaskets removed from parts stock. (SEE ILLUSTRATION) List the new parts on the claim. If there is consequential damage, include an explanation of the extent of the damage and the repairs made. No credit will be allowed for parts replaced or reconditioned due to normal wear or overhaul practices.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. Attach. (1-Special Instruction, SEHS8612-01)