FILM-BREAKER 2248328 - 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
The 390-5852 Tube As and 390-5854 Tube As for the lift cylinder is cracking on certain 950 GC Medium Wheel Loaders at the connector on the main control valve.Solution
Table 1
Required Parts
Item Qty Part Number Part Description
1 1 390-5854 Tube As
2 1 390-5852 Tube As
Illustration 1 g06180287
View of hoses
(1) 390-5854 Tube As
(2) 390-5852 Tube As
Install tube as (1) and tube as (2), but do not tighten at this time.
Illustration 2 g06180291
View of bracket
(A) Existing bracket
Illustration 3 g06180303
View of acceptable angle
Adjust bracket (A) so that the tubes can be assembled easily with clamp. The bracket angle can be adjusted to reduce the stress on the tubing assemblies.
Tighten tube as (1) and tube as (2) and the bolts on bracket (A).
Illustration 4 g06180292
View of hose spacing
(B) Area of hose spacing
(1) 390-5854 Tube As
Check the clearance between tube as (1) and tube assembly (B). There should be a minimum of 5 mm (0.2 inch) between the two, if not repeat the process until proper clearance is achieved.