HOSE AS 4180229 - 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
Oil leaks from the accessory drives of some 3500 and G3500 Engines have been reported.Solution
Install the parts that are identified in Table 1 and Illustration 1. The parts include thrust washers (6) for the accessory drive in order to reduce the clearance of the shaft. Reducing the clearance will reduce the chance of an oil leak.Follow the instructions in the engine Disassembly and Assembly manual.Note: These parts from the original accessory drive can be reused: bolts (2), adapter (3), pipe plugs (8) and pipe plug (11).
Table 1
Required Parts    
Item     Part     Qty    
1     362-8082 Accessory Drive Gear     1    
2     0L-1351 Bolt     10    
3     7C-4165 Adapter As     1    
4     259-4598 O-Ring Seal     1    
5     2B-2695 Bolt     4    
6     7N-7539 Thrust Washer     2    
7     6V-3348 O-Ring Seal     1    
8     8T-6757 Pipe Plug     2    
9     7N-8374 Pump Cover     1    
10     0S-1592 Bolt     2    
11     8T-6759 Pipe Plug     1    
12     5P-0840 O-Ring Seal     1    
13     9M-1974 Hard Washer     4    
14     235-3546 O-Ring Seal     1    
15     364-6393 Adapter As     1    
16     9X-7371 O-Ring Seal     1    
17     5P-8247 Hard Washer     1    
Illustration 1 g02788444
Accessory drive