Haklift Oy
Asessorinkatu 3-7
20780 Kaarina, Finland
Tel. +358 2 511 5511
www.haklift.com
Lifting Solutions Group
Axel Johnson International
6. Hook lowers but will
A) Lifting motor overload
A) Reduce load to within rated
capacity of chain hoist.
not raise
B) Low voltage
B) Determine cause of low voltage
and bring up to within plus or minus
10% of the voltage specified on the
motor. Measure voltage at the lifting
motor in terminal block power input.
C) “UP” circuit open
C) Check circuit for loose
connections
B) Improper connection
B) Check all connections against
wiring diagram.
4. Chain hoist hesitates
A) Chain hoist overloaded
A) Reduce load within rated capacity of
chain hoist.
to lift when energized
B) Worn overload limiting clutch
B) Check and adjust limiting clutch
C) Low voltage
C) Determine cause of low voltage
and bring up to within plus or minus
10% of the voltage specified on the
motor. Measure voltage at the lifting
motor in terminal block power input.
5. Hook raises but will
A) “Down” circuit open
A) Check circuit for loose
connections.
not lower
B)
Broken
conductor
in
pushbutton cable
B) Check each conductor in the cable.
If one is broken, reduce entire cable.