Remove pin (11) and nut (10) to remove
upper hook assembly (2) from adapter (8).
If necessary, remove nut (6), screw (4),
latch (3), and latch spring (5) from hook
Disassembly - Motor End (Figure 4-5).
The motor end cover (4) is at end of
hoist opposite from the end with
power cord. When removing the
cover (4), movement will be limited
until wire leads are exposed and
Remove two screws (1), lockwashers (2),
and cover (4).
CAPACITOR (17) MAY BE CHARGED.
DISCONNECTING WIRE LEADS.
across terminals. As they are exposed,
tag and disconnect wire leads from
Carefully remove the rotor assembly (11)
from the stator assembly (20). Remove
wave washer (14) and spacer (15) from
Remove retaining ring (12), bearing (13),
and inner retaining ring (12) from rotor
If necessary for replacement of rotor (11)
or centrifugal mechanism (7), use a
mechanism (7) and spacer (8) from other
end of rotor shaft.
Remove screw (19) and mounting spring
(18) that secures capacitor (17) to the
Note the routing of leads from the stator
and carefully pull stator assembly (20)
from housing (56, Figure 4-4).
If stator (20, Figure 4-5) will not slip
easily from motor housing (58, Figure
4-4), tap on exterior of housing with a
brass drift while pulling on stator, or
apply moderate heat to exterior of
If necessary, remove pin (21) from stator.
Remove two screws (9) and stationary
switch (6) from the cover (4).
Remove bearing (5) from cover (4)with
Disassembly - Control Station (Figure 4-6).
Remove four screws (9) and lift off cover
assembly (10) and gasket (8).
Tag and disconnect wire leads from
control cable (20, Figure 4-3). Remove
screw (5, Figure 4-6) and flat washer (4)
from eye of restraining cable that supports
the control cable. Remove two screws (1)
and pull control cable from case (16).
Slide grommet (2) and retaining ring (3)
from control cable.
Loosen screws (7) and remove pins (6),
switches (14), and leaf springs (15).
Remove screw (11), terminal (12), and
jumper assembly (13).
Cleaning and Inspection.
DRY CLEANING SOLVENT (P-D-680)
IS TOXIC AND FLAMMABLE. WEAR
EQUIPMENT, TO INCLUDE NITRILE
RUBBER GLOVES/APRONS AND A
FULL FACE SHIELD; USE ONLY IN A
CONTACT WITH SKIN, EYES, AND
CLOTHES AND DO NOT BREATHE
VAPORS. KEEP AWAY FROM HEAT
OR FLAME. NEVER SMOKE WHEN
USING SOLVENT. FLASH POINT FOR
FAILURE TO DO SO MAY RESULT IN
INJURY OR DEATH TO PERSONNEL.
REFER TO WARNING S PAGE B FOR
Clean parts as follows:
Clean friction plates (2 and 4, Figure
4-3) and insulator (37) with a clean dry