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8. Removing from service and storage
The hoist
Never release the load from the hoist if this load is not supported properly
The hoist maybe be stored without load providing it is placed indoors in a cool, dry place.
The control cable being fitted with a plug in connector, it is possible to disconnect the pendant control from the hoist or the hoist with
trolley to prevent the hoist to be use by an unqualified person
9. TROUBLESHOOTING
Hoist
Problem
The hoist will not operate
Operates in one direction
Poor rotation of lifting motor with muf-
fled noise
Possible cause
Main cut off switch off
Emergency stop activated
Power supply cut
Electrical limit switch activated
Limit switches inoperative
Fuse inoperative/circuit
Contacts on transformer or pendant control
station fautly open thermal protectior
Power supply phases reversed
Electrical limit switches damaged
Contactor coil burnt out or open coil
Faulty power supply
Significant voltage drop
Electromagnetic brakes does not open
Faulty gearbox
Overload
Faulty friction clutch
Loss of one phase
19
Actions
Set it to "on" position
Desactivate the emergency stop
Check all the electrical connections
Move in the opposite direction and adjust
the limit switch
Call an approved service shop
Change the fuse and check the electrical
connections
Call an approved service shop
Have an electrician change the electrical
power supply
Call an approved service shop
Call an approved service shop
Check the supply voltage
Check that voltage is correct and there is
no overload
Check the brake gap and call an approved
service shop
Call an approved service shop
Check and reduce the load
Call an approved service shop
Call an approved service shop
GB
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