TM-9-2330-238-14

CHASSIS, SEMITRAILER: 6-TON, 4-WHEEL M295A1; SEMITRAILER, VAN: EXPANSIBLE, 6-TON, 4-WHEEL M313; SEMITRAILER, VAN: SHOP, FOLDING SIDES, 6-TON, 4-WHEEL M447 AND M447C; SEMITRAILER, VAN: REPAIR PARTS, SHOP EQUIPMENT, 6-TON, 4-WHEEL M749; SEMITRAILER, VAN: REPAIR PARTS STORAGE, 6-TON, 4-WHEEL M750

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 1992
TM-9-2330-238-14

  TM-9-2330-238-14 - Page 180 of 462

TM 9-2330-238-14
4-40.
BRAKE BACKING PLATE AND SUPPORT AND ADJUSTER MAINTENANCE (Con’t).
5.
Disconnect brake line (6) from rear of backing plate (3).
6.
Remove eight nuts (12), capscrews (7), Iockwasher (11), and backing plate (3) from axle flange (8). Discard
Iockwasher.
7.
Remove two nuts (15), Iockwasher (14), adjusting gears (13), four washers (10), and two spring and bolt
assemblies (9) from backing plate (3). Discard Iockwasher.
b.
INSPECTION AND REPAIR
1.
Inspect support and adjuster assembly for cracks or breaks. Replace if defective.
2.
Inspect starwheels (16) for broken or missing teeth, and adjusting screws (17) for damaged threads. Replace
defective parts as necessary.
3.
Inspect anchor pins (2) for damage. Replace if necessary.
4.
Inspect backing plate for cracks, bends, or brakes. Replace if defective.
I
c.
INSTALLATION
1.
2.
3.
4.
5.
4-82
Install one washer (10) each on threaded end of two spring and bolt assemblies
(9)
and install spring and bolt
assemblies, threaded end first, through openings at rear of backing plate (3).
Install two washers (10), adjusting gears (1 3), new Iockwasher (1 4), and nuts (15) on threaded ends of spring
and bolt assemblies (9).
Position backing plate (3) in place against axle flange (8) and aline scribe marks.
Install eight capscrews (7), new lockwashers (11), and nuts (12) in backing plate (3) and axle flange (8).
Ensure that adjusting screw (17) is properly positioned 1 in. (2.54 cm) below the rim of support and adjuster
assembly (1). If not, rotate starwheel (16) to adjust adjusting screw to required depth.
TA701984


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