23
Item Check method Criteria When failed
Movement
of the Idle
Sheave
• Check the Idle Sheave by
moving
• When checking, wear gloves
and be careful for your finger
not to be caught.
Otherwise it may result in injury.
Mandatory
CAUTION
• The Idle Sheave rotates smoothly.
* The Idle Sheave does not rotate smoothly
when bearing is damaged or sheave shaft is
deformed.
• The Load Chain moves smoothly.
Move the Load Chain
by hand.
Replace the bearing of
the Idle Sheave.
Bottom Yoke
• Check visually. • No loosened bolt or nut
Attach the Bottom Hook to
the Load Chain securely.
■
Peripheral parts of the body size
Item Check method Criteria When failed
Chain Spring • Check visually • No apparent shrinkage or compression Carry out the
inspection item of
Chain Spring (P77) of
Periodic inspection.
Cushion
Rubber
• Check visually
Stopper
Cushion
Rubber
• No apparent shrinkage or compression
• No peel off, crack of deformation of rubber
Rubber
Steel plate
Replace the Cushion
Rubber.
(to be continued)
How to Use Daily Inspection of Electric Chain Hoist (Hook Suspended Type)
1