KITO ER2 Serie Manuel Du Propriétaire page 145

• When any abnormality is observed during inspection, stop the use of electric
chain hoist, indicate "FAILURE", and contact the maintenance engineer or
KITO for repair.
Mandatory
Use of the product with abnormality may result in death or serious injury.
■ Electric Chain Hoist ER2 Periodic Inspection (2/2)
■Check result : ○ Good, △ To be replaced (adjusted) next inspection, × Bad, Needs replacement (adjustment)
Category Check item
Bearing
Load gear, Gear B,
Pinion
Friction clutch
Friction Clutch with
Mechanical Brake
Load sheave
Idle sheave
V ring
Electrical parts
Wiring
Intrusion or attachment
of foreign matter
VFD
(check of service life)
Source voltage
Insulation resistance
Grounding resistance
Lifting/lowering
Operational check operation with a
capacity
Lifting/lowering
operation with a
capacity
Brake
Visual inspection/
inspection by
measurement
Executed by Inspector
Checked by Maintenance Engineer
DANGER
Check method
• To have no apparent abrasion, flaw and damage
Visual inspection, • To move smoothly
Check CH Meter • Operating hours not to exceed the guidelines for
replacement of bearing
• To have no apparent abrasion, deformation and damage
Visual inspection,
• Operating hours not to exceed the guidelines for replacement
Check CH Meter
of bearing
• To have no apparent abrasion, deformation and flaw
Visual inspection,
• Operating hours not to exceed the guidelines for
Check CH Meter
replacement of gears
• To have no apparent abrasion, deformation and flaw
Visual inspection,
• Operating hours not to exceed the guidelines for
Check CH Meter
replacement of gears
Visual inspection/ • To have no apparent abrasion, deformation and damage
inspection by • To have no flaw on sheave pocket due to defective engagement
measurement • The thickness of sheave pocket must not lower the criteria.
Visual inspection/ • To have no apparent abrasion, deformation and damage
inspection by • To have no flaw on sheave pocket due to defective engagement
measurement • The thickness of sheave pocket must not lower the criteria.
• To have no deformation and crack
Visual inspection,
• Apply grease MOLITHERM No.2 on the V ring at
Check CH Meter
brake cover side at 200 hours of operating hours
• To have no damaged or burnt part
Visual inspection • To be mounted securely
• Number of start no to exceed the guidelines for replacement
• Wiring to be fixed to electrical parts securely
Visual inspection • Connector to be inserted securely
• To have no damaged or burnt part
• To have no water drop or foreign matter such as dust
Visual inspection
inside
• Electrolytic capacitors 3000 hours (depending on the
Check the CH Meter
operating conditions)
• Refer to "VFD Manual" for other items.
Measurement To be supplied power within rated voltage ± 10 %
Measurement Insulation resistance to be higher than 5 MΩ
Measurement To be grounded with grounding resistance 100 Ω or less
Perform inspection of the items on function/performance
of daily inspection and frequent inspection with no load,
and then perform the inspection of the same items with
a capacity.
Stopping distance of lifting/lowering to be within
1 % of the lifting distance
Criteria
/
NOTE
Decide the check items
appropriate to the
environment and operating
conditions of the customer.
Inspection date/result
/ / / / /
(to be continued)
A
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