Haklift Oy
Asessorinkatu 3-7
20780 Kaarina, Finland
Tel. +358 2 511 5511
www.haklift.com
Lifting Solutions Group
Axel Johnson International
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.
NB: All mechanical or electrical work must be carried out by a qualified tradesperson
8. Lack of proper lifting
speed (continues…)
D)
Overload
limiting
clutch
intermittently slipping
D) Adjust or replace overload
limiting clutch assembly.
9. Motor brake noise or
chatter
A) Brake needs replacement
A) Replace brake assembly
(while starting chain hoist)
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.
10. Motor brake “buzz”
(anytime chain hoist is
running)
A) Brake needs replacement
B) Broken brake coil
A) Replace brake assembly
B) Replace the brake coil and
check the relay rectifier.