Check the Drive Shaft on AD55B and AD60 Underground Articulated Trucks {3253} Caterpillar

Underground Articulated Truck

AD55B (S/N: JNW1-UP)

AD60 (S/N: KNW1-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

Field service reports indicate that the 211-1854 Drive Shaft that runs through the oscillation hitch may fail due to cracking. Refer to Illustration 1 and Illustration 2.

Solution

Caterpillar is aware of the problem, but an interim repair has not yet been defined. Replace a failed drive shaft with the same part.

If you have experienced this problem, refer to the following information.

• Complete a failure analysis of the drive shaft

• Complete a Product Status Report

• Submit a Service Information Management System (SIMS) report. Attach photos of the failed drive shaft to the SIMS report.

• Submit a Dealer Solution Network (DSN) ticket quoting CPI number 393353

• Request that the Tier 1 representative, transfer your ticket to an available Tier 2 representative for Caterpillar Underground Mining - Base Machine

• The Tier 2 representative will request the machine serial number and machine operating hours

Illustration 1	g06216967
Location of the drive shaft inside the oscillation hitch (1) 211-1854 Drive Shaft

Illustration 2	g06216974
Location where cracking may occur