Repair Welding On Axle Housings; For Complete Welding Instructions On Meritor Drive Axle Housings; Prepare The Axle - Meritor MS-113 Maintenance Manual

Figure 3.7
1
1 Remove silicone gasket from parts.

Repair Welding on Axle Housings

For Complete Welding Instructions on
Meritor Drive Axle Housings
Refer to Maintenance Manual 8, Drive Axle
Housings. To obtain this publication, refer to the
Service Notes page on the front inside cover of
this manual.
WARNING
Wear safe clothing and eye protection when you
use welding equipment. Welding equipment can
burn you and cause serious personal injury.
Follow the operating instructions and safety
procedures recommended by the welding
equipment manufacturers.
Axle weld locations and welding procedures must
adhere to Meritor's standards. Welding at
locations other than those authorized by Meritor
will void the warranty and can reduce axle beam
fatigue life. Serious personal injury and damage
to components can result.
Meritor permits drive axle housing assembly
repair welding in the following locations only.
Housing-to-cover weld joints
Snorkel welds
Housing seam welds between the suspension
attaching brackets
Bracket welding to the drive axle housing
Maintenance Manual MM-0230
Issued 07-02
Prepare Parts for Assembly

Prepare the Axle

WARNING
The high temperature caused by the open flame
from the cutting torch can ignite the oil in the axle
housing and can cause serious personal injury.
1. Remove the oil drain plug from the bottom of
the axle housing and drain the lubricant from
the assembly.
CAUTION
Remove the differential carrier from the axle
housing before you weld onto an axle. Do not
weld onto an axle with the differential carrier
installed. Electrical arching and damage to
components can result.
2. Remove the differential carrier from the axle
housing. Refer to the correct Meritor carrier
maintenance manual or the vehicle
manufacturer's instructions.
CAUTION
Remove the brake air chambers before you weld
onto an axle. Do not expose a brake air chamber
to more than 250°F (121°C). Damage to the air
chamber can result.
3. Remove the wheel-end components and brake
air chambers from the axle. Refer to the
correct Meritor brake maintenance manual or
the vehicle manufacturer's instructions.
4. For housing-to-cover welds, clean the outside
housing-to-cover weld area 2.00-3.00-inches
(50.8-76.2 mm) past each end or side of the
crack. Clean the inside area where the cover
mates with the housing. Clean the area
completely around the cover. Use a wire brush
and a cleaning solvent that will remove dirt
and grease from these areas. Figure 3.8.
Copyright 2002
ArvinMeritor, Inc.
Section 3
Page 11