Troubleshooting Chart - CM HURRICANE 5623 Manual De Funcionamiento

Troubleshooting Chart

Symptom
1. Hoist is hard to
operate in either
direction.
2. Hoist is hard to
operate in the low-
ering direction.
3. Hoist is hard to
operate in the hoist-
ing direction.
4. Hoist will not operate
in either direction.
5. Hoist will not oper-
ate in the lowering
direction
6. Hoist will not operate in
the hoisting direction.
7. Hoist will not hold
load in suspension.
10
Possible Cause(s)
A) Load chain worn long to gage, thus binding
between liftwheel and chain guide.
B) Load chain rusty, corroded or clogged up
with foreign matter such as cement or mud.
C) Load chain damaged.
D) Liftwheel clogged with foreign matter or
worn excessively, causing binding between
the liftwheel and chain guide.
E) Hand chain worn long to gage, thus bind-
ing between handwheel and cover.
F) Handwheel clogged with foreign matter or
worn excessively, causing binding of chain
between the handwheel and cover.
G) Liftwheel or gear teeth deformed.
A) Brake parts corroded or coated with foreign
matter.
B) Brake not properly adjusted.
C) Chain binding.
A) Chain binding.
A) Driver or stops on handwheel broken.
B) Gears jammed.
A) Locked brake due to a suddenly applied
load, shock load, or load removed by means
other than by operating unit in the
lowering direction.
B) Chain binding.
C) Lower hook all the way out. Load Chain
fully extended.
A) Chain binding.
B) Overload
A) Lower hook or load side of chain on wrong
side of liftwheel.
B) Brake not properly adjusted.
C) Driver or stops on handwheel broken.
D) Worn brake parts.
E) Oily, dirty or corroded brake friction sur-
faces.
Corrective Action
A) Check gage of chain (See page 5). Replace if
worn excessively.
B) Clean by tumble polishing or using a non-
caustic type solvent. Lubricate with
Lubriplate® Bar and Chain Oil 10-R (Fiske
Bros. Refining Co.) or equal lubricant.
C) Check chain for gouges, nicks, bent or
twisted links. Replace if damaged.
D) Clean out pockets. Replace if worn
excessively.
E) Check gage of chain (See page 5).
F) Clean out pockets. Replace if worn
excessively.
G) Excessive overload has been applied.
Replace damaged parts.
A) Disassemble brake and clean thoroughly.(By
wiping with a cloth- not by washing ina sol-
vent). Replace brake disc if gummy, visibly
worn or coated with a foreign matter. Keep
brake disc and brake surfaces clean and dry.
B) Readjust Brake (See page 7).
C) See Items 1A, 1B and 1C.
A) See Items 1A, 1B and 1C.
A) Replace damaged part.
B) Inspect for foreign matter in gear teeth.
A) With hoist under load keep chain taut, pull
sharply on hand chain in the lowering direc-
tion to loosen brake.
B) See Items 1A, 1B and 1C.
C) Chain taut between the liftwheel and loose
end connector. Operate unit in hoisting
direction only.
A) See Items 1A, 1B and 1C.
B) If handwheel slips while operating, reduce
load or use correct capacity hoist.
A) Lower hook must be on same side of lift-
wheel as upper hook.
B) Readjust Brake (See page 7).
C) See Item 4A.
D) Replace brake parts which are worn.
E) See Item 2A.