KITO ER2 - Electric shock; Friction Clutch

109
Friction Clutch
• Do not adjust/disassemble the Friction Clutch.
Adjusting or disassembling the Friction Clutch may result in death or serious injury.
Prohibited
DANGER
Symptom Cause Remedy Main factor Countermeasure
Unable to lift a load,
or the load lowers
after stop.
Clutch is activated
(normal)
Lighten the load less than the rated load
and use the electric chain hoist.
Over load Use the electric chain
hoist with a load less
than the rated load.
Abrasion of Clutch
Disk
Replace the Friction Clutch. Too many use of the
Friction Clutch
Avoid the over load.
Approaching service
life limit
Do not use the body
size exceeding the
service limit.
Secular change
in mechanical
characteristics of
the Friction Clutch
Use of oil other than
the designated oil
Use KITO genuine oil.
Leaving the electric
chain hoist for a long
time without use
Pay attention to the
place to use and the
storage place.
Temperature rise
inside the gear box
Resume the operation after cool down.
When it is still unable to lift a load,
replace the Friction Clutch.
Use in a hot
environment, or
excessively frequent use
Avoid the use in a
hot environment or
excessively frequent use.
• Use KITO genuine gear oil.
(The gear oil for Friction Clutch with Mechanical Brake is different
from the standard specification oil.)
Use of the oil other than KITO genuine oil may result in death or serious injury
due to the drop of a lifted load.
DANGER
Mandatory
Electric shock
Symptom Cause Remedy Main factor Countermeasure
Electric shock
when touching the
body size and Push
Button Switch
Improper grounding Measure the grounding resistance. If it
exceeds100Ω,performgroundingwork
in accordance with the relevant laws and
regulations.
Defective grounding
work
Perform the grounding
work securely.
Contact failure of the
grounding wire
Connect the grounding
wire securely without
loosened screw
Breakage of grounding
wire
Layout the grounding
wire to avoid the stress
applied on it. (See the
item of Power Cable
and Push Button
Switch.)
Attachment of
waterdrop
Remove the waterdrop, dry the electric
chain hoist and then use it.
Operation by wet hand
Do not operate the electric
chain hoist by wet hand.
3
Troubleshooting Electric shock / Friction Clutch
(to be continued)