Section VIII. AXLES

TM9-2330-207-14

Section VIII. AXLES

Page

Axle Replacement

Overview

Wiper Replacement

Description of Rear Axle

4-33. OVERVIEW

This section pertains to organizational maintenance of the semitrailers' axles. Included are removal and

installation procedures for the axles and oil seal wiper. Removal and installation procedures for both the

forward rear, and rear rear axle are the same.

4-34. DESCRIPTION OF REAR AXLE

The semitrailers have two tubular axles, the forward rear axle and the rear rear axle (fig. 4-30), with six

adapters and two fIanges each welded to their externaI surface. The adapters provide seating surfaces for

spring guide brackets, torque rod brackets and torque rod mounting brackets. The flanges are provided for

mounting brake backing plates to the axIes.

Figure 4-30. Rear axles and suspension (M127)

4-35. AXLE REPLACEMENT

Bearing surface on spindle of axle should not exceed

wear limits given in repair and rebuild standards (para.

5-17). If bearing surfaces exceed wear limits, or if any

portion of axle is damaged to the extent that it is unsafe

for use, remove and replace axle (see a and b below).

a. Removal.

(1) Models except M127. Remove wheels

(fig.4-24); then remove axles by following pro-

cedures shown in steps 1 thru 7 of fig. 4-32.

(2) Models M127.

(a) Disconnect flexible air lines at air chambers

( b ) Follow removal procedures shown in steps

Figure 4-31. Slack adjuster and air chamber (M127)