TRACK ADJUSTER & RECOIL GP 1088137 - Caterpillar

Introduction
The problem that is identified below has a known permanent solution. Use the solution that is identified below.Problem
On D6N, the 251-1904 Tube As which connects the valve to the tank is cracking. The tube which connects the valve to the tank might crack because of excessive vibration and added restrictions due to restrictions in component tolerances.Solution
Replace the tube with a hose. Refer to 268-1133 Pump Lines Gp in SIS in order to locate the correct replacement parts.
Table 1
Qty     New Part Number     Part Name    
1     179-8739     Hose As    
1     203-3847     Bracket Assembly    
1     6V-1889     Clip    
1     6V-8716     Connector    
1     6V-9746     Seal    
1     7M-8485     Seal    
1     8T-4121     Washer    
1     8T-4133     Nut    
Illustration 1 g01959330
Current design for hydraulic tubeRemove the following parts from 268-1133 Pump Lines Gp :
(1) 148-8335 Connector Assembly
(2) 251-1904 Tube Assembly
(3) 8T-1889 Clip
(4) 8T-1890 Clip
(5) 160-0512 Hose Assembly
Illustration 2 g01959356
Updated design to correct problemAdd new parts at the valve.
(6) 6V-8716 Connector
(7) 6V-9746 O-Ring Seal
(8) 7M-8485 O-Ring Seal
Illustration 3 g01959357
New hose assembly and fastenerAdd new parts from the valve to the tank.
(9) 179-8739 Hose As
(10) 6V-1889 Clip
(11) 8T-4121 Hard Washer
(12) 8T-4133 Nut
(13) 203-3847 Bracket As