Friction Clutch With Mechanical Brake - KITO ER2 Serie Manuel Du Propriétaire

Chapter 3 Troubleshooting
Troubleshooting (continued)

Friction Clutch with Mechanical Brake

• Do not adjust/disassemble the Friction Clutch with Mechanical Brake.
Adjusting or disassembling the Friction Clutch with Mechanical Brake may result in death or serious injury.
Prohibited
Symptom
Unable to lift a load. Clutch is activated
3
Unable to lift a load,
or the load lowers
after stop.
Electric chain hoist
of VFD specification
became tripped
frequently at
lowering a load.
110
Cause
Lighten the load less than the rated load
(normal) and use the electric chain hoist.
Abrasion of Clutch Replace the Friction Clutch with
Disk Mechanical Brake.
Secular change
in mechanical
characteristics of
the Friction Clutch
with Mechanical
Brake
Temperature rise Resume the operation after cool down.
inside the gear box When it is still unable to lift a load,
replace the Friction Clutch with
Mechanical Brake.
Deteriorated Replace the Friction Clutch with
braking Mechanical Brake.
performance
Abrasion of the
Brake Pad
Abrasion of the When the electric chain hoist trips
Brake Pad frequently, replace the Friction Brake with
Mechanical Brake with a new one.
DANGER
Remedy
Over load
Too many use of the
Friction Clutch
Use of oil other than
the designated oil
Mandatory
Leaving the electric
chain hoist for a long
time without use
Use in a hot
environment, or
excessively frequent
use
Use of oil other than
the designated oil
Approaching service
life limit
Approaching service
life limit
Main factor Countermeasure
Use the electric chain hoist
with a load less than the
rated load.
Avoid the over load.
Use KITO genuine oil.
DANGER
• 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.
Do not use the body size
exceeding the service limit.
Avoid the use in a hot
environment or excessively
frequent use.
Use KITO genuine oil.
Do not use the body size
exceeding the service limit.
Check the Mechanical
Brake if the tripping time
increased. (See P81)