PIPE-INJECTION 4777613 - Caterpillar

Introduction
The issue that is identified below does not have a permanent corrective action. Until a permanent action is known, use the interim corrective action that is identified below.Problem
Failure of grease supply to the 301-6946 Bearing in the head of the 339-7710 Front Suspension Frame Gp can cause bearing wear if not identified and corrected.Solution
When manually greasing the bearing via the service grease point, inspect the area of the bearing to ensure that the bearing is receiving fresh grease. If the machine is equipped with an "automatic lubrication system", part of the periodic inspection for the operation of automatic lubrication systems to check that the grease point is being served by the system.If a 301-6946 Bearing has failed due to insufficient grease or fresh grease not appearing in the joint, check that the 195-3641 Hose As that distributes grease to the bearing is not restricted or broken. The hose is part of the 339-1784 Grease Lines Gp .
Illustration 1 g03386103
195-3641 Hose As from greasing point on the right side of the tractor
Illustration 2 g03386105
195-3641 Hose As routed on the inside of the front frame on the right side
Illustration 3 g03386107
195-3641 Hose As to grease distribution point