Instruction manual

20) Remove the steel worm {Code #22397, Pos.
7} through the large gearbox opening as
shown in Figure 430.
21) Inspect the worm gear for wear, damage, or
discoloration (Figure 431). Replace if
necessary.
4-2) Gearbox Reassembly
1) Install the top bearing {Code #37356, Pos.
20} on the steel worm gear and insert the
assembly into the casing. With a brass
hammer and punch, press the bearing into
the gearbox as shown in Figure 432.
2) Install the bearing {Code #40996, Pos. 16} on
the opposite end of the worm shaft as shown
in Figure 433.
3) Install the lower snap ring {Code #37796,
Pos. 38} as shown in Figure 434 on the next
page. Make sure that the snap ring is fitted
into the groove.
25
NOTE:
The bearing MUST be replaced in the same
orientation. Failure to do so will cause the hoist
to malfunction.
Figure 431
Figure 430
Figure 432
Figure 433