CRANKSHAFT BEARING REPLACEMENT GROUPS 1S7583 - Caterpillar

Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
Dealers are having significant labor increases to remove filter bowls/housings and filter service covers. The hex heads are rounding off. The hex is used to remove the filter bowls/housings and filter service covers when servicing the filter element. The symptoms and findings are consistent in all cases. The failures occur on machines between 19 and 25,000 hours.
Illustration 1 g06142089
Examples of effected filter groups
Solution
Caterpillar is aware of this problem, but an Interim Repair has not been defined. Replace with same part. Use a six-sided socket when removing or installing parts.
Illustration 2 g06144359
To prevent damage to hex head, do not use impact wrenches, adjustable wrenches, or opened end wrenches when removing or installing.
Return any failed parts and provide pictures of the failed part. Pictures should include close up and wide view of failure, on and off the machine. Provide feedback to the CPI team 368870 using the "CPI Feedback" link in SIMSi within the "CPI Report" tab.
Table 1
Effected Parts Numbers
Item Part Number Description
1 290-2569 Oil Filter Gp
2 321-5967 Filter Housing Gp
3 333-6434 Oil Filter Gp
4 334-0572 Oil Filter Gp
5 339-3301 Engine Oil Filter Gp
6 339-3673 Cover
7 339-9702 Oil Filter Gp
8 339-9703 Oil Filter Gp
9 339-9704 Oil Filter Gp
10 339-9705 Oil Filter Gp
11 339-9706 Oil Filter Gp
12 339-9708 Oil Filter Gp
13 341-2079 Oil Filter Gp
14 348-8316 Filter Housing
15 360-5064 Oil Filter Gp
16 362-5992 Oil Filter Housing Assembly
17 369-3235 Oil Filter Gp
18 393-3691 Oil Filter Gp