Specifications

33
Prepare Parts for Reassembly
MAINTENANCE MANUAL
Do Not Bend or Straighten a Damaged
Drive Axle Housing
WARNING
Replace damaged or out-of specication axle
components. Do not bend, repair or recondition
axle components by welding or heat-treating. A
bent axle beam reduces axle strength, affects
vehicle operation and voids Meritor’s warranty.
Seriouspersonalinjuryanddamagetocompo-
nents can result.
Always replace a damaged drive axle housing.
Do not bend or straighten a damaged housing,
which can misalign or weaken it,
and void warranty.
Removing Fasteners Secured with
Adhesive
Ifit is difcult to remove fasteners secured with
Dri-Loc, Meritor adhesive or Loctite 277 adhe-
sive, use the following procedure.
When you remove fasteners secured with adhe-
sive, slowly heat the fastener to 350°F (177°C).
Do not exceed this temperature, or heat fasten-
ers quickly. Damage to components can result.
1.Heatthe fastener for three to veseconds.
Try to loosen the fastener with a wrench. Do
not use an impact wrench or hit the fastener
with a hammer.
2. Repeat Step 1 until you can remove the
fastener.
New Fasteners with Pre-Applied Adhesive
NOTE:
To remove fasteners secured with pr-ap-
plied adhesive no need to wait for drying
1. Use a wire brush to clean the oil and dirt from
threaded holes.
2. Install new fasteners with pre-applied adhe-
sive to assemble parts. Do not apply adhe-
sives or sealants to fasteners with pre-ap-
plied adhesive, or to fastener holes.
3. Tighten the fasteners to the required torque
value for that size fastener. See the warnings
to the required torque
Original or Used Fasteners
1. Use a wire brush to clean the oil, dirt and old
adhesive from all threads and threaded holes.
NOTE:
There is no drying time required for Meritor
liquid adhesive 2297-C-7049, Loctite 638 or
680 liquid adhesive or equivalent.
2.Apply four or ve drops of Meritor liquid ad-
hesive Loctite 638 or 680 or equivalent inside
each threaded hole or bore. Do not apply adhe-
sive directly to the fastener threads. Figure 4.9.
3. Tighten the fasteners to the required torque
value for that size fastener. See the warnings
to the required torque.
Meritor Aplication Adhesive 2297-T-
4180 in the Differential Bearing Bores
NOTE:
UseMeritorspecication2297-T-4180adhe-
sive, for all axles.
Cuatro o cinco gotas
en las roscas
Figure 4.9
9. For complete welding instructions, refer to
Maintenance Manual 8, Drive Axle Housings.
To obtain this publication, see to the Service
Notes page on the brgin this manual.