AWD Hose Interference on Certain 12M 2, 12M 3, 140M, 140M 2, 140M 3, 14L, 160M, 160M 2, and 160M 3 Motor Graders {5057} Caterpillar

Motor Grader

12M Series 2 (S/N: F9B1-UP; R9P1-UP)

12M Series 3 (S/N: N9B1-UP; N9P1-UP)

140M (S/N: D9G1-UP; B9M1-UP)

140M Series 2 (S/N: R9G1-UP; M9J1-UP)

140M Series 3 (S/N: N9G1-UP; N9J1-UP)

14L (S/N: B941-UP)

160M (S/N: B9T1-UP; D9T1-UP)

160M Series 2 (S/N: R9T1-UP)

160M Series 3 (S/N: N9K1-UP; N9T1-UP)

Introduction

The problem described below does not have a known permanent solution. Until a permanent solution is identified, use the corrective action that follows.

Problem

Improper routing of the all wheel drive (AWD) hoses on certain Motor Graders may lead to chafing and leaks.

Solution

Reroute AWD hoses according to Special Instruction, REHS8785, "Procedure For Updating All-Wheel Drive Hoses on Certain 12M Series 2, 12M Series 3, 140M, 140M Series 2, 140M Series 3, 160M, 160M Series 2, and 160M Series 3 Motor Graders".