The Inner and Outer Telescoping Cylinders are Losing Synchronization on Certain TH3510D Telehandlers {5486} Caterpillar

Telehandler

TH3510D (S/N: TH21-UP)

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 have been received of 499-3138 Telescoping Cylinder Gp, on the machines listed above, having visible rub damage on the welded metal tubes connecting the cylinder body to the lock valve. The damage has been reported between 150 and 3000 operating hours and is not regional or application specific.

Solution

Caterpillar is aware of the problem, but an interim repair has not been identified.

In the event of failure, take pictures of the failed part. Provide the pictures and additional information with TIB Media Number M0099614, CPI # 430818, Machine S/N, and part hours at failure to your Dealer Technical Communicator (TC). Request the Dealer TC to submit the information through CPI Feedback within the Service Information Management System (SIMSi).

Replace all failed parts with the same part number.