TM 5-2330-325-14&P
Section II. BRAKE MAINTENANCE
Paragraph
Page
Number
Paragraph Title
Number
General .......................................................................................................................... 5-21
Brake Drum Repair ........................................................................................................ 5-21
This section provides information for performing Direct Support level axle repairs on the M870A3
semitrailers.
This task covers:
a. Removal
b. Repair Standards
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
Brake drum removed (para 4-61).
Shop equipment, common No. 1
Brake lathe
NSN 4910-00-754-0654
a.
Removal.
(1)
If inspection shows brake drum to be out-of-round or excessively scored, rebore, removing
as little metal as necessary to true friction surface.
(2)
After boring, check that brake drum meets the requirements of repair standards.
(3)
If refinishing requires the removal of more than 1/16 in. (0.16 cm) of material 1/8 in. (0.32
cm) in diameter, replace brake drum.
(4)
The repair and rebuild standards included herein give the minimum, maximum, and key
clearance of new or rebuilt parts. They also give wear limits which indicate that the point to
which a part or parts may be worn before replacement, in order to give maximum service
with minimum replacement.
