Unloader Check List
Unloader Check List
Unloader Check List
Check the Oil condition of the hinge points, steel pully,steel guiding rollers and moulding mouth of the steel rope
Check the fastening & connection of the steel ropes replace worn or damage steel ropes if needed
check the worn components of the hinge pin and axle-shaft replace if it necessary
Grab bucket
Check grab working pulley wires are correct position.
Check grab wire guide small pulley (which locate top of the grab)properly touch & guide the wire
Elevating ,open & close mechanism Check the broken wire rope and repaired it Count broken wire rope & replace it if need
Disc break check the break lining and working conditions of the break disc, replace the break liner if necessary
Wire rope guiding pulley Check & count steel wires with broken wire rope. Replace if necessary.
Check the stop position of the crane because it can touch the wire ropes
check the drive part (rail) of the crane. If there is a barrier clear it.
Crane drive mechanism Motor & check the crane driving motor gear box oil level .If low fill it.
gear box
Check the rail clamp hydraulic unit oil leval.If low top up
Check the feeder hanging bolt tightening condition if loosen tight it.
Vibrator feeder & hopper
check the feeder & hopper gap if it is not sufficient adjust it.
check hopper & feeder vibrator motors mounting & working condition if there abnormal repair it
Hydraulic station Check the hopper gate,spilage gate & window gate hydraulic cylinder leakage
check the spillage gate clean condition. If there is some coal clean it.
Check the water tank water leval.If low level fill it.
Check wires are correctly wound to the bobin.If there is mismatch prepare it