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TM 9-2320-364-20-5
18-32
18-8. CRANE HOOK BLOCK, HOOK AND CLEVIS REPAIR (CONT).
(4)
Bend down tines of key washer (9).
(5)
Hold pin (10) and remove nut (11), key
washer (9), sheave (12), pin (10) and
spacer (13) from hook block (5). Discard
key washer.
(6)
Remove grease fitting (14) from pin (10).
Use care when removing bearings
from races. Bearings may fall
and damage to equipment may
result.
(7)
Remove two tapered roller bearings (15)
from sheave (12).
Use care when removing
retaining rings. Retaining rings
are under spring tension and can
act as projectiles when released
and could cause severe eye injury.
NOTE
Perform Step (8) if bearing races
are damaged.
(8)
Remove two bearing races (16) and retaining
rings (17) from sheave (12).
(9)
Remove cotter pin (18) and castle nut (19)
from hook (20). Discard cotter pin.
(10)
Remove washer (21) and shield (22) from
hook (20).
(11)
Remove bearing (23) from shield (22).
(12)
Remove hook (20) from hook block (5).
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