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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
1 Ton Link Chain Models
1
TON
CHAIN
STOP 37666
1 TON
CAUTION: DO NOT ATTEMPT TO DISASSEMBLE LOWER BLOCK
WITH LOAD SUSPENDED FROM HOIST - LOWER LOAD AND REMOVE
EVERYTHING ATTACHED TO HOOK.
ASSEMBLE ROLL PIN WITH SPLIT SIDE EITHER UP OR DOWN.
*
SHEAVE AND BEARING ASSEMBLE 45705.
NOT INCLUDED IN LOWER BLOCK ASSEMBLY.
LOWER BLOCK
ASSEMBLY
45707 (STANDARD)
45709 (SPARK-RESISTANT
** INCLUDED WITH 45378 SHROUD
Disassembly
1. Remove screw (Y99-43) and two (2) screws (Y99-47), lock washers (Y14-416) and nuts (Y107-4-Z).
2. Pull shroud apart releasing hook and components. Bearings (42406) are pressed on shaft of sheave (45364).
3. To remove thrust bearing from hook shank, remove roll pin (Y178-122) and sleeve (45368).
Assembly
1. Lubricate thrust bearing liberally with grease 33153 or equivalent and assemble to shank of hook. Assemble
sleeve (45368) to hook and secure with roll pin (Y178-122).
Note: Assemble roll pin to hook with split side vertical with hook (either up or down).
2. Pack bearings (42406) with grease 33153 and assemble to sheave with shielded side going on shaft first
(shielded side towards sheave).
3. Assemble sheave and hook into one half of shroud, insuring thrust bearing and race are properly seated in
shroud.
4. Feed load chain around sheave.
26
Figure 19. MHP3440
WASHER Y13-4-C
SCREW Y157-51
BEARING (2) 42406
SCREW Y99-43
THRUST BEARING 42089
WASHER (3) Y14-416
SCREW (2) Y99-47
HOOK
ASSEMBLY
45367
45372
SHEEVE 45364
SLEEVE 45368
SHROUD
CAPACITY LABEL
45362-1 (2)
45378 (2)
** 45280 (1500 #)
LINK CHAIN 37708
SEE PAGE 32 FOR SPARK-
RESISTANT LOAD CHAIN.
NUT (3) Y107-4-Z
SHROUD (2) 45362-1
CAUTION
DO NOT
TWIST
OR JAM
CHAIN
*
ROLL PIN Y178-122
THRUST RACE (2) 45373
SAFETY LATCH 35023
HOOK (SEE TABLE)
HOOK ASSEMBLY (SEE TABLE)
HOOK
45366 (STEEL)
45371 (BRONZE)
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