SHIELD AS 2146434 - 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
The 263-4997 Coupling Hub As may come loose from the pump shaft. This will cause a loss of power to the machine. Tightening the bolts again may not prevent this issue from happening again.Solution
Replace the two old 252-9167 Bolts with two new 252-9167 Bolts . Tighten the bolts to a torque of 33 7 N m (24 5 lb ft). If the old bolts are used apply 9S-3263 Thread Lock Compound to the bolts. Tighten the bolts to a torque of 33 7 N m (24 5 lb ft). Only use this process if the joint has been disturbed during servicing of the machine or repairing of the machine.