PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING POSSIBLY REWORKING THE ENGINE OIL SCAVENGE PUMP MOUNTING BOLTS ON CERTAIN REMAN C175-20 ENGINES IN DEALER PARTS STOCK
Usage:
TEBE9214-00
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| 23May2019 |
U-302
A-249
D-264
O-268
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| Parts stock action only | PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING POSSIBLY REWORKING THE ENGINE OIL SCAVENGE PUMP MOUNTING BOLTS ON CERTAIN REMAN C175-20 ENGINES IN DEALER PARTS STOCK |
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| 7750 | PI70751 |
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| NOTE: | Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar. |
| 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. |
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| 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. |
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TERMINATION DATE |
| 31Aug2019 |
PROBLEM
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| Certain C175-20 Engines can experience block fretting at scavenge pump mounting surface that can lead to premature failures and resultant damage. |
ACTION REQUIRED
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| The following Reman C175-20 Engines were built with Reman blocks prior to increased inspection and documentation of the scavenge pump mounting surface. Engine Arrangement: 20R4668 Engine Serial Number: HN400200, HN400202, HN400206, HN400207, HN400208, HN400209, HN400210, HN400211, HN400216, HN400222 Engine Arrangement: 20R7015 Engine Serial Number: RMR00113, RMR00115, RMR00117, RMR00118, RMR00119, RMR00120, RMR00121, RMR00123, RMR00124 1. Refer to Disassembly and Assembly, KENR6052, "Engine Oil Pan-Remove - C175-20", for instructions to remove the front section of the oil pan. 2. Refer to Disassembly and Assembly, KENR6052, "Engine Oil Scavenge Pump - Remove", for instructions to remove scavenge pump. (Image 1) Take photos of the scavenge pump mounting pads on the pan rail and the mounting pads on the scavenge pump. Send all photos via a Parts Technical DSN Request to Reman Service Engineer for evaluation and direction on how to proceed. 3. Following direction from the Parts Technical DSN Request, refer to Disassembly and Assembly, KENR6052, "Engine Oil Scavenge Pump - Install", for instructions to install the oil pump. HN4 Serial Prefix Engines must have the existing oil scavenge pump replaced with a 20R7833 Oil Scavenge Pump. 4. Refer to Disassembly and Assembly KENR6052, "Engine Oil Pan - Install - C175-20" for instructions to install the front section of the oil pan. |
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| Image1 |
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| Image2 |
SERVICE CLAIM ALLOWANCES
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| 20.0 hours are allowed for each engine reworked in dealer parts stock. The parts listed in Image 2 are allowed for each engine reworked in dealer parts stock. 20R7833 Oil Scavenge Pump is allowed only for HN4 Serial Prefix Engines. Include the engine serial number(s) in the claim. |
PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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