Priority
Parts stock action needed
| PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING, AND POSSIBLY REPLACING, 3339185/">333-9185 PUSHRODS IN CERTAIN C175-16 COMMERCIAL ENGINES |
| 1208 1209 1123 1102 1121 7750 |
PI31849 |
| NOTE: |
This Program must be administered as soon as possible.
When reporting the repair, use "PI31849" as the Part Number and "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 "PI31849" as the Part Number, "7751" as the Group Number,
"96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code. |
| NOTE: |
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field,
"7751" as the Group Number, "56" as the Description Code. |
| NOTE: |
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. |
| The push rod cup diameter on certain C175-16 commercial engines may have been manufactured to the incorrect dimensions. The existing push rods may fail if the rocker arm adjusting screw is not properly seated in the bottom of the push rod cup. A failure could result in a broken push rod, significant resultant damage, and considerable downtime. The push rods needs to be inspected on engines with service hours between 50 and 500 hours |
Qty |
Part Number |
Description |
| 4 |
3339185 |
PUSHROD (AS REQUIRED) |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
NOTE: Estimated failure rate is less than 8 pushrods per engine. |
| ****Parts Stock **** |
Remove all 3339185/">333-9185 Pushrods from dealer parts stock. |
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| ****Affected Product**** |
Perform the steps detailed in the rework procedure only on units with hours BETWEEN 50 and 500 hours. The minimum run time is required to allow for clear wear patterns to form at the contact location between the rocker arm adjusting screw and the pushrod cup.
NOTE: If a failure has not occurred before 500 hours, the risk of a failure is extremely low. |
| U.S. and Canadian owners will receive the attached Owner Notification. |
| ****Parts Stock**** |
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Submit one claim for all parts removed from dealer parts stock.
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| ****Affected Product**** |
