TUBE AS 2946357 - Caterpillar

COMPLETION DATE
TERMINATION DATE
September 30, 2001 March 31, 2002PROBLEM
Due to a manufacturing error, there is a possibilitythat numerous 1043568 Injector Pushrods missed the heat treating operation.Certain C-10, C-12, 3176C, and 3196 engines will need to have the injectorpushrods checked and possibly replaced. This Service letter should onlybe performed on engines with between 0 to 7500 miles (0 to 12000 kM) or0-150 hours.AFFECTED PRODUCT
Model Identification NumberTRUCK/COMMERCIAL ENGINESC-10 3CS18811 ? 193268YS7628 - 7646C-12 2KS61890 ? 632739SM277 - 3363176C IND 2AW1272 ? 13063196 IND 1DW611 ? 6143176C MAR 6BW498 ? 4993196 MAR 2XR3757 ? 38623176C Machine 3PD168 - 2023196 Machine 5ED216 - 2373176C Machine 7ZR5409 - 55163196 Machine 6AR2595 - 2635MACHINES725 AFX130-131, 142-145, 148-150,174, 177-179730 AGF217-218, 225-228345 AGS480, 562, 564, 566, 571,575, 578, 582-584ALB197APB110-112CFM27665E 6GS632, 634, 637, 639?649, 65275E 1HM310-3126HS647, 64985E 1NM230-2316JS668-669, 67295E 1SM282 ? 2896KS985, 987, 993PARTS NEEDED
AS REQUIRED
1043568 Injector Pushrods(depending on the results of the inspection,0?6 pushrods may be needed for the rework? Only individual pushrods foundto be soft need to be replaced)AS REQUIRED
Injector Group(depending on the results of the pushrodinspection , 0-6 injectors may be needed for the rework? An injector shouldbe replaced only if the pushrod for that particular injector isfound to be soft and if the engine has more than 200 MILES (322KM) or 20 HOURS.)ACTION REQUIRED
Remove the valve covers.
Using a medium to coarse flat file against thecup of the pushrod, stroke the file.
If the push rod is soft you will feel a distinctdrag as the file digs into the material.
If the push rod is hard the file will feel likeit is passing over glass as the file slides across the hard surface.
If you are not certain if a pushrod is soft orhard CALL YOUR TC OR THE CAT PRODUCT ANALYST AT:(800)447-4986.
If a pushrod is soft, remove the rocker arm andreplace the pushrod. Tighten the rocker stand bolts according to the torquevalue found in Service Manual.
IF A PUSHROD IS FOUND TO BE SOFT AND THE ENGINEHAS MORE THAN 200 miles (322 KM) OR 20 hours on it replace onlythe injector that is driven by the soft pushrod. Lubricate the two largero-ring seals with engine oil and install the injectors. Tighten the injectorhold down bolt according to the torque value found in Service Manual. Adjustthe valves, injectors, and Jake Brakes, if equipped. Complete the assembly.
Enter the repair into SIMS.
OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.SERVICE CLAIM ALLOWANCESTRUCK ENGINE ONLY
LABOR ALLOWANCE FOR ALL APPLICATION EXCEPT TRUCK ENGINES
PARTS DISPOSITION
***** U.S. and Canadian Dealers *****
The 1043568 Injector Pushrod(s) and all replacedinjector(s) MUST BE RETURNED:Parts must be returned to:Caterpillar Inc.
Service Claims Room
8201 N. University
Peoria, IL 61615
Attention: Seth Studnika ? PS30156***** All Other Dealers *****
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.
Attach. (1-Owner Notification) COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999PRIORITY ? INJECTOR PUSHRODS NEED CHECKED FORPOSSIBLE REPLACMENTMODELS INVOLVED ? CERTAIN C-10, C-12, 3176CAND 3196 ENGINESDear Caterpillar Product Owner:If the engine(s) listed below are between 0to 7500 miles (0 to 12000