TUBE AS-LH 5012905 - 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
Reports of wiper seal leaks on 777G steering cylinders caused by U-cup and wiper seals.Solution
Caterpillar is aware of this problem, but an Interim Repair has not been defined. Replace with same part.Following failure parts that are returned through "Send-It-Back" (SIB). Refer to Table 1 for a list of parts that are needed for analysis.Caterpillar recommend providing as much information as possible about machine application and work conditions to aid in the investigation of failed parts.Report through the CPI feedback tool in Service Information Management System (SIMSi) referencing CPI number 379052 to have a "Send-It-Back" (SIB) request generated. A SIB request will be issued to your dealer code in the SIB system after the (SIMSi) entry is created.
Table 1
382-2003 Steering Cylinder Gp or 417-0582 Steering Cylinder Gp
Part Number Description
225-3281 Wiper Seal
289-2948 U-Cup Seal
438-9145 Hydraulic Cylinder Seal Kit
8T-5668 Wear Ring
289-2937 Buffer Seal As
391-0229 U-Cup Seal