SHAFT 1489325 - 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
Certain 320D Excavators are configured with an alternative stick cylinder group. The alternative stick cylinder is interchangeable with the standard stick cylinder group. The alternative stick cylinder and the standard stick cylinder have different serviceable components within each group.Solution
If repairs for the alternative 289-7933 Stick Cylinder Gp are necessary, use the information that follows. Refer to Table 1 for the affected machines. Refer to Table 2 for the serviceable components in the alternative 289-7933 Stick Cylinder Gp on the affected machines. Refer to Illustration 1 for the locations of the serviceable components in the alternative stick cylinder group.
Table 1
Affected Machines That Are Configured With The 289-7933 Stick Cylinder Gp    
Model    Serial Number    
320D     S/N:JGZ1928-1978, ; S/N:JGZ2139-2150, and ; S/N:JGZ2342-2356    
S/N:JFZ1329-1331
320D L     S/N:MDE595-618, ; S/N:MDE845, and ; S/N:MDE850-853    
Table 2
Serviceable Components For The 289-7933 Stick Cylinder Gp    
Item    Qty    Part Number    Description    
1     1     087-5434     Head    
2     1     123-2060     Locknut    
3     1     158-9064     Piston    
4     2     158-9065     Ring    
5     1     179-9667     Ring    
6     1     216-0005     U-Cup Seal    
7     1     247-8791     Seal Ring    
8     1     289-7934     Cylinder As    
9     1     289-7937     Rod As    
10     1     170-9847     Buffer Seal    
11     1     087-5431     Stop    
12     1     087-5436     Backup Ring    
13     1     093-1572     Retaining Ring    
14     2     095-0929     Retaining Ring    
15     1     095-1632     O-Ring Seal    
16     1     096-2665     Backup Ring    
17     1     103-8378     Retaining Ring    
18     1     103-8379     Ring    
19     1     103-8380     Stop    
20     1     114-0757     Sleeve Bearing    
21     1     165-9289     Lip Type Seal    
22     8     7Y-5215     Bolt    
23     1     9X-3598     Seal    
Illustration 1 g01523212
289-7933 Stick Cylinder Gp