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Page Title:
PARKING BRAKESHOE MAINTENANCE - continued |
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 TM 9-2320-361-24-1
0164 00
PARKING BRAKESHOE MAINTENANCE (Contd)
DISASSEMBLY
1.
Remove two clips (1), spring (6), and two washers (2) and (3) from pins (4) and (5). Discard clips (1).
2.
Remove two clips (7) from pins (8) and (11). Discard clips (7).
3.
Remove outer brakeshoe (9) from pin (8) and inner brakeshoe (10) from pin (11).
4.
Remove nut (18), lockwasher (19), and cam pin (5) from outer shoe (9). Discard lockwasher (19).
NOTE
Perform step 5 only if lubrication fittings are damaged.
5.
Remove three lubrication fittings (12) from outer shoe (9) and one lubrication fitting (12) and
pin (4) from inner shoe (10). Discard pin (4).
CLEANING AND INSPECTION
WARNING
Skysol 100 solvent is combustible; DO NOT use or store near
heat, sparks, flame, or other ignition sources. Use mechanical
ventilation whenever product is used in a confined space,
heated above ambient temperatures, or agitated. Keep
container sealed when not in use.
Contact with Skysol 100 may cause skin irritation. Use chemical-
resistant gloves. In case of skin contact, remove any contaminated
clothing and wash skin thoroughly with soap and water. Wash
contaminated clothing before reuse. Eye contact may cause
irritation, tearing, or blurring of vision. Use face shield or goggles
when eye contact may occur. In case of eye contact, flush eyes
with large amounts of water for at least 15 minutes or until
irritation subsides. Inhalation may cause irritation to upper
respiratory passages. DO NOT have food or drink in the vicinity.
Failure to comply may result in injury to personnel.
CAUTION
Do not saturate brakeshoe lining or brakedrum with Skysol 100.
1.
Clean all parts with rag saturated with Skysol 100. Remove thick dirt and corrosion.
2.
Measure the thickness of brake linings (13) and (15) at thinnest point. If thickness is 0.1875 in.
(4.76 mm) or less, replace both brakeshoes (9) and (10).
3.
Inspect brakeshoes (9) and (10) for broken linings (13) and (15), loose or missing rivets, cracks, or
stripped threads. Replace both brakeshoes (9) and (10) if linings (13) and (15) are broken, rivets
are loose or missing, brakeshoes (9) and (10) are cracked, or threads are stripped.
4.
Inspect lever (14) for cracks, breaks, or loose pins (8) and (11). Replace if cracked, broken, or
pins (8) or (11) are loose. Pins (8) and (11) must be perpendicular to lever (14). Clip grooves of
pins (11) and (8) must be free of chips and burrs.
5.
Slot in cam pin (5) must have square slot. If slot is damaged, replace pin (5).
6.
Pin (4) must be tight in brakeshoe (11) and clip groove free of chips and burrs.
7.
Inspect springs (20) and (21) for broken or distorted coils. If coils or hook ends are distorted or
broken, replace.
8.
Inspect jamnuts (17) and (18) for burred flats or stripped threads. Replace if flats are burred or
threads are stripped.
9.
Inspect screw (16) for breaks, cracks, and crossed or stripped threads. Replace if broken, cracked,
or threads are crossed or stripped.
10.
Inspect spring (6) for breaks or cracks. Replace if broken or cracked.
0164 00-4
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