GASKET 5472935 - 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
Table 1
Sales Model Affected Hammers
H35E S S/N:3X61-258
H45E S S/N:3X71-304
H55E S S/N:3X91-1186
H65E S S/N:3X81-1374 Port hole for ASO plug may be too small to accept 442-1699 Plug As on new production hammers. This issue is due to change of new front heads and valve bodies in the above listed hammers. The new parts use new plug system for the ASO.Solution
Note: This information is a field communication of part change. Existing parts are not failing and should not be replaced due to this change. No parts are necessary.Ports for ASO on H35ES and H45ES front heads and H55ES and H65ES valve bodies have been changed. The new ASO parts use a new 162-0177 Plug As along with 095-1277 Socket Setscrew instead of existing 442-1699 Plug As.