Disassembly And Assembly - CM HURRICANE 5623 Manual De Funcionamiento

Using any grease or lubricant on the braking
surfaces will cause brake slippage and loss of load
control which may result in injury and/or property
damage.
TO AVOID INJURY:
Do not use any grease or lubricant on braking
surfaces. The brake is designed to operate dry.
If hoist is disassembled for service, repair or inspection,
remove and clean existing grease from unit and replace
with approximately 1 oz. of Poliplex 2 (Century
Lubricants Co.) grease or equal lubricant to the exterior
surface of the drive shaft, gears, internal thread of brake
hub, surface of liftwheel bushings (1/2 ton unit), bushings
in the gear side plate and gear cover, internal and external
surfaces of handwheel bushings and rim of handwheel
cover.
IMPORTANT: To assure long life and top performance, be
sure to lubricate the various parts of the hoist using the
lubricants specified above. If desired, these lubricants can
be purchased from CM
REPLACING LOAD CHAIN
To replace the load chain, remove the lower hook block
(656-17) from the chain. Disconnect the chain from the
loose end connector (656-7) and operate the hoist in the
lowering direction to run the chain out of the hoist. Feed
a length of soft wire up and over the liftwheel. Attach
the wire to the new load chain so that the chain will be
entering the center of the hoist frame. Position the chain
so that the first link to engage the liftwheel is an
upstanding link and the weld on all upstanding links will
be away from the liftwheel. Pull on the wire until the
chain engages the liftwheel. Rotate the handwheel until
the chain comes out on the loose side of the hoist.
Attach the chain to the loose end connector and attach
the lower hook block assembly to the chain so that the
lower hook is directly below the upper hook.

DISASSEMBLY AND ASSEMBLY

The parts list and exploded view on pages 12 and 13
show the general arrangement and name of the parts of
the CM® Hurricane Hand Hoist. These should be used
when disassembling and reassembling the hoists so that
all parts are properly installed.
1. To inspect or replace the brake disc, it is necessary to
partially disassemble the hoist. Remove the hand
wheel cap (656-36) and the handwheel cover support
(656-35). Lift off the handwheel cover (656-34A) and
slide it down the hand chain (656-31). Lift the hand
chain out of the handwheel (656-27) pockets. Remove
the handwheel nut (656-30A) and load-limiting driver
(656-29A) from the drive shaft (656-10). Remove the
hand- wheel (656-27), handwheel bushing (656-26)
and brake spring (656-25). Remove the brake hub
(656-24) and replace it if the friction surface is exces
sively scored. Check the friction surface of the brake
6
WARNING
® (See Figure 8, page 8).
plate (656-22A) and replace it if it is excessively scored.
Examine the brake disc (656-23) for wear, scoring, glaz
ing and contamination. If the friction washer is worn
down to a thickness of less than 1/32 inch or if it scored
excessively, glazed or contaminated with foreign mat
ter, replace it with a new disc.
After the brake disc is inspected or replaced, reassemble
the hoist in reverse to the order given above and adjust
the brake (See BRAKE SPRING INSTALLATION and BRAKE
ADJUSTMENT, page 7).
2. To inspect or replace the liftwheel, chain guide or strip
per, it is necessary to disassemble the hoist. Remove the
load chain (See REPLACING LOAD CHAIN, above) and
then remove the handwheel cap (656-36) and the
handwheel cover support (656-35). Lift off the hand
wheel cover (656-34A) and slide it down the hand
chain (656-31). Lift the hand chain out of the hand
wheel (656-27) pockets. Remove the handwheel nut
(656-30A) and the load-limiting driver (656-29A) from
the drive shaft (656-10). Remove the handwheel (656-
27), handwheel bushing (656-26) and brake spring
(656-25). Remove the brake hub (656-24) and brake
disc (656-23). Remove the retaining ring and brake
plate (656-22A) and the handwheel side plate (656-
9),and slide out drive shaft (656-10). Remove the strip
per (656-6) and chain guide (656-5). Examine the strip
per, chain guide, liftwheel (656-8) and loose end
connector (656-7) for wear and damage.
If the stripper, chain guide and/or loose end connector
are worn or damaged they should be replaced. If the
liftwheel is not worn or damaged, reassemble the hoist
in reverse to the order given above. If the liftwheel is
to be replaced, continue to disassemble the hoist.
NOTE: Two points of caution to be observed in disassem
bly and assembly of the gears:
a Loose rollers are used in various locations in some
units. Care must be taken so as to not lose or mis
place these.
b For proper operation, the correct number of rollers
must be installed at the rotating points. Applying
grease to the rollers will help hold them in position
during assembly.
Remove the gear cover (656-1), end covers (656-4A)
and gears (656-12). Remove the snap ring from the lift
wheel gear (656-11) and remove the liftwheel gear.
Remove the liftwheel and replace it. Check the gears
and other parts for excessive wear, cracks and distor
tion. Replace parts as necessary and then reassemble
the unit in reverse to the order in which it was disas
sembled. Adjust the brake (See BRAKE ADJUSTMENT,
page 7) and install the load chain (See REPLACING
LOAD CHAIN, above). After the hoist is completely
reassembled, it must be tested for proper operation
(See TESTING, page 8).
3. To replace hook latch, grind off head of rivet and drive
it out. Remove and discard the latch and spring.
Attach the new latch and spring using the roll pin pro
vided in the latch kit.