Columbus McKinnon Yale ERGO 360, Operating, Maintenance & Parts Manual

Page: 15 / 64

COLUMBUS McKINNON 15
Troubleshooting chart
Symptom Possible cause(s) Corrective action
Hoist is hard to operate in
either direction.
1. Load chain worn long to gauge, thus
binding between liftwheel and chain
guide. 1. Check chain, and replace if worn excessively.
2. Load chain rusty, corroded or clogged
with foreign matter such as cement or
mud.
2. Clean chain by tumble polishing or using a
non-acid or non-caustic type solvent. Check
chain for gouges, damaged or bent links. Lubricate
with Lubriplate® Bar and Chain Oil 10-R (Fiske
Bros. Refning Co.) or equal lubricant.
3. Bushings clogged with matter such as
cement or dust.
3. Disassemble and clean liftwheel bushings and
bushings in gear cover and side plate (gear side).
Any parts worn excessively should be replaced.
4. Lever binding.
4. Clean by removing any foreign matter which may
be between the lever and the brake cover.
5. Brake parts corroded or clogged with
foreign matter.
5. Disassemble brake and clean thoroughly (by
wiping with a cloth - not by washing in a solvent).
Replace ratchet assembly if too gummy, worn or
scored. Keep brake surfaces clean and dry.
6. Liftwheel pockets clogged with foreign
matter or worn excessively causing chain
to bind between liftwheel and chain
guide. 6. Clean out pockets and use if not worn excessively.
Replace liftwheel if pockets are worn.
7. Liftwheel twisted or bent - gear teeth
bent.
7. Excessive overload had been applied. Replace
damaged parts.
Hoist is hard to operate in
down direction.
1. Brake parts corroded or clogged with
foreign matter.
1. Disassemble brake and clean thoroughly (by
wiping with a cloth - not by washing in a solvent).
Replace ratchet assembly if too gummy, worn or
scored. Keep brake surfaces clean and dry.
2. Chain binding.
2. Check chain, and replace if worn excessively.
Clean chain by tumble polishing or using a
non-acid or non-caustic type solvent. Check chain
for gouges, damaged or bent links. Lubricate with
Lubriplate® Bar and Chain Oil 10-R (Fiske Bros.
Refning Co.) or equal lubricant.
Hoist is hard to operate in
up direction.
1. Chain binding.
1. Check chain, and replace if worn excessively.
Clean chain by tumble polishing or using a
non-acid or non-caustic type solvent. Check chain
for gouges, damaged or bent links. Lubricate with
Lubriplate® Bar and Chain Oil 10-R (Fiske Bros.
Refning Co.) or equal lubricant.
2. Overload. 2. Reduce load or use correct capacity unit.