TM 9-2330-388-14
CHAPTER 6
REPAIR OF FRAME AND BODY PARTS
Section I. GENERAL
in the Warning Summary are followed while performing
6-1.
Scope
maintenance. Pay close attention to all WARNINGs and
CAUTIONs.
This chapter contains instructions for repair and
replacement of frame and body parts, including the bogie
b.
Procedures. Procedures for repairs involving
assembly, which are beyond the scope of the using
welding, surface preparation, cleaning, and painting are
organization. These repairs, with the exception of
included under General Maintenance Procedures, para
repairs to tank body or main frame, are allocated to
NO TAG
direct sport maintenance.
6-2.
Reference
a.
Safety. Ensure that all safety precautions listed
Section II. BRAKES And BRAKE SYSTEM COMPONENTS
(3) Inspect brake shoe for distortion, cracks or
6-3.
Trunnion Cross Tube, Fig. 6-1.
damage. Replace the brake shoe if these conditions are
found. Lining and shoe contact surfaces should be clean
a.
Removal. Refer to para 5-8.
and smooth.
b.
Installation. Refer to para 5-8.
(4) Use new rivets of the correct body
diameter, head size and shape, length, and material.
6-4.
Brake Shoes (Fig. 6-3)
When removing rivets from the brake shoes, be careful
to avoid any damage to the holes in the shoe. Do not
a.
Disassembly.
use a chisel to shear them off as the force will elongate
the rivet holes. If holes are burred, they should be filed
WARNING
down flush with the shoe table.
Due to asbestos hazard, do not grind on rivet
heads. Failure to follow this warning may
Never shim the brake linings. Brake noise may result
result In injury or death to personnel.
because of cracked and/or loose lining, since a tight
installation is not possible with shims. The inside surface
(1) Punch rivets out from back side of shoeing
of the lining is the correct arc to match the shoe table,
a hammer and a drift or punch.
and the rivet holes in the linings will only line up with
holes in the holes in the shoes when they are in direct
(2) Remove linings from brake shoes.
contact. Prior to riveting be sure the holes in the lining
blocks and the shoes are exactly matched.
b.
Inspection and Repair.
The correct length rivet must be selected for each
(1) Oil or grease saturated linings are not
application. A variation in shoe thickness may require a
reusable. Saturated linings indicate leakage in the axle
different length rivet. The solid portion of the rivet should
shaft seals.
end just at the inner surface of the shoe. The hollow
portion of the rivet should protrude past the inner surface
(2) Grooving or uneven wear in brake linings
of the shoe.
indicates a need for refacing or replacement of brake
drum.
The riveting machine must be adjusted so that the roll of
the rivet is complete, but the rivet should not split.
6-1
