TM 9-2330-359-14&P
4-31. SERVICE BRAKE MAINTENANCE (Con’t).
b .
CLEANING AND INSPECTION]
WARNING
DO NOT handle brakeshoes, brakedrums, or other brake components unless area
has been properly cleaned. There maybe asbestos dust on these components which
can be dangerous if you touch it or breathe it. Wear an approved filter mask and
gloves. Never use compressed air or a dry brush to clean brake components, Dust
may be removed using an industrial-type vacuum cleaner. Clean dust or mud away
from brake components with water and a wet, soft brush or cloth. Failure to follow
this warning may result in serious illness or death to personnel.
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with skin,
eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame or
excessive heat. The solvent’s flash point is 100”F-138°F (38°C-59°C). If you
become dizzy while using cleaning solvent, immediately get fresh air and medical
help. If solvent contacts eyes, immediately wash your eyes and get medical aid.
1.
Clean all parts with dry cleaning solvent. Dry thoroughly.
2.
Inspect all parts for damage. Replace any damaged parts.
3.
Inspect brakeshoe linings. Notify direct support maintenance if linings are worn within X8 in. (1.6 mm) of rivet
heads.
c.
INSTALLATION
NOTE
Step 1 applies to all models except M872A3.
1.
Install two pins (1) in brakeshoes (2 and 10).
2.
Position brakeshoes (2 and 10) on spider.
3.
Install two rollers (8) on brakeshoes (2 and 10) with retainers (12).
4.
Install two washers (6) and retaining rings (7) on anchor pins (5).
NOTE
Step 4 applies to all models except M872A3.
5.
Install two anchor pins (5) in brakeshoes (2 and 10) with two washers (4) and retaining rings (3).
NOTE
Step 5 applies only to M872A3.
6.
Install two bushings (9), anchor pins (5), washers (4), and retaining rings (3) in brakeshoes (2 and 10).
7.
Install return spring (11) on brakeshoes (2 and 10).
8.
Install hub and brakedrum (para 4-44).
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