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Upper Hook Section
Disassembly
1. To remove upper hook assembly from housing, remove nuts (Y109-624) and bolts (41599).
2. To disassemble hook assembly, drive out roll pin (Yl78-122) from collar (34321).
3. Removing collar will release steel balls and bracket from hook and latch assembly.
Assembly
1. To assemble steel balls to collar, apply a liberal amount of grease in groove of collar and place steel balls into
groove.
2. Place bracket in a holding device with flanges down. Insert hook through bracket and slip collar with steel balls
over end of hook. Secure with roll pin.
3. Assemble to housing and secure with bolts and nuts.
Note: Assemble roll pin with split side pointing directly UP or DOWN. Ensure safety latch is properly assembled
to hook.
Figure 16. MHP3437
*
N
O
T
N I
C
L
U
D
E
D
W
T I
H
UPPER HOOK ASSY.
* BOLT (2) 41599
BALL (11) Y16-10
ROLL PIN Y178-122
INSTALL WITH SPLIT SIDE
EITHER UP OR DOWN
UPPER HOOK
ASSEMBLY
34921 (STANDARD)
35113 (SPARK-RESISTANT
HOOK (SEE TABLE)
SAFETY LATCH 35023
HOOK ASSY.
(SEE TABLE)
* NUT (2) Y109-624
BRACKET 34341
COLLAR 34321
HOOK & LATCH
HOOK ONLY
ASSEMBLY
34337
34342 (STEEL)
34651
34649 (BRONZE)
D D i i s s a a s s s s e e m m b b l l y y a a n n d d A A s s s s e e m m b b l l y y
23
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