Section VIII. AXLES
Description of Rear Axle
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.
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.
Bearing surface on spindle of axle should not exceed
wear limits given in repair and rebuild standards (para.
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).
(1) Models except M127. Remove wheels
(2) Models M127.
(a) Disconnect flexible air lines at air chambers
( b ) Follow removal procedures shown in steps