KITO ER2 Serie Manuel Du Propriétaire page 112

Chapter 3 Troubleshooting
Troubleshooting (continued)
Hook (continued)
Symptom
Hook Latch has
come off
3 Hook bent at the
neck (shank)
Hook unable to
swivel smoothly at
the neck
112
Cause
Deformation of the Replace the Hook if the deformation
Hook exceeds the criteria. (See P70.)
Deformation and Replace the Hook Latch if it has come off
come-off of the or is deformed.
Hook Latch
Deformation or Replace the Hook bent at the neck
damage of the Hook
at its neck
Rusting shut or Swivel the Hook at the neck by hand. If it
corrosion of Bearing is difficult to swivel smoothly, overhaul or
replace the Bearing.
Damaged Bearing
Remedy
Over load
Earth lifting
Use of the sling with
a size improper to the
Hook
Sling put on the Hook
Latch
Lifting a load at the tip
of the Hook
Lateral pulling of the
Insufficient grease
application, corrosion
due to environment of
use
Intrusion of dust
Main factor Countermeasure
Use the electric chain hoist
with a load less than the
capacity.
Do not carry out earth
lifting.
Be careful not to impede
the Hook with protruding
object during lifting.
Use the proper sling.
Do not put the sling on the
Hook Latch.
Sling a load at the center of
the Hook
Hook
Apply grease regularly.
Use the sling to avoid the
dipping of the Hook into
chemicals.
Be careful about the
intrusion of foreign matter
into the neck.