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Electrics
Component
Objective
Main switch
Check the condition and operation of the main switch
Wiring
Check the condition of the wiring and the connections
Electrical cubicle (hoist trolley)
If the hoist is equipped with a trolley, check the security of the fastenings of the
electrical cubicle of the trolley
Contactors
Check the condition and operation of the contactors
Fuses
Check the condition of the fuses. For instructions, see Appendix Replacing the
control voltage fuse.
Motors and brakes
Component
Objective
Reference
Motors
Check the operation of the motors.
Brakes
Check the operation and wearing of the brake.
For instructions on how to check the brake
wear, refer to chapter Checking brake lining.
Mechanical component
Component
Objective
Reference
Chain sprocket
Check the condition of the chain sprocket. With two-fall hoists,
also check the return sprocket.
For instructions on how to replace the return
sprocket, see Replacing return sprocket.
Chain guide
Check the condition of the chain guide.
Chain bucket
Check the fixing and the condition of the chain bucket.
Bearings
Check the greasing of the return sprocket bearing.
For instructions, see Replacing return
sprocket.
Traveling machinery units
Check the fastenings of the traveling machinery units.
Trolley wheels
Check the condition of the trolley wheels.
Check that the wheels are correctly aligned.
Check the flange width.
Load carrying structure
Check the condition of the bolted joints and load carrying
structures.
Check the condition and mounting of the securing components.
Controls
Component
Objective
Pendant
Check condition and functionality of push buttons and switches
Radio
Check condition and functionality of push buttons and switches