FILM-IDENTIFICATION 7E7848 - 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
Illustration 1 g06136486Steering cylinder may experience oil leaks from the rod seals on machines listed above. This issue may be due to presence of casting porosity in the U-cup seal groove of the cylinder head.Solution
Caterpillar is aware of this problem, and is recommending the following interim solution.If leaks or repeat leaks are seen in the head and rod seal area, inspect the head carefully including the seal grooves and lands for missing material. If defects are found, replace cylinder head as per the parts listed in Table 1 for the respective machines.
Table 1
Required Parts List
Qty Part Number Description Sales Model
1 266-7292 Head 966/972K
1 314-9339 Head 950/962K
1 367-8588 Head 966/972M
1 374-9656 Head 950/962M