Crane 2020_Attachment 2 - Work Description.pdf
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- W912PB20Q3036
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Crane 2020_Attachment 2 - Work Description
ATTACHMENT 2
WORK DESCRIPTION - PREVENTIVE MAINTENANCE ON CRANE SYSTEMS
(CRANES, VEHICLE LIFTS AND HYDRAULIC SYSTEMS)
- Checking all moveable and permanent parts
- Lubricating and cleaning all guide rolls, motors, lubrication points, transmissions, gear boxes, driving wheels and rollers, checking oil and refilling if necessary, replacing missing lubricant nipples and grease cups, tightening leakages.
- Adjusting brakes and clutches
- Cleaning and regulating electrical switches and operation equipment, mechanical adjustment of control devices, stearing gears including small repairs and delivery of spare parts (fuses, control bulbs, contacts etc.).
- Checking cables, carrying ropes, guide rails, cage wheels, driving wheels, guide rollers, control as well as adjusting guide rails.
- Replacement of small parts such as collector or collector ring coals, contact springs at contractors and relays, copper contractors, copper stranded wive, separators for switches, brush holders, missing screws and other small parts.
- After completion of the load tests an inspection sticker at each crane unit shall be visibly placed next to the main switch, including the inspection date and the clearly marked due date for the next inspection.
Following maintenance work and recurring inspections shall be performed if applicable:
- check motor
- check the torque supporters
- check gear ring and slits
- check clutches
- check bearings
- check brake pads and break discs
- check flywheels
- check crane buffers and buffers for the torque supporters
- check transmission
- check transmission gaskets
- check transmission fluids
- refill missing fluid, only oils recommended by the manufacturer are to be used.
- check cat buffers
- check welding seams
- check screwed connection
- check joint connection
- check crane guide
- check main torque
- check fine torque
- check disc on main torque
- check disc on fine torque
- check rope drum
- check rope fixed point and by pass rollers
- check torque rope
- check steel rope clamps
- check complete rope guide
- check pressure springs, tension springs and ring springs
Crane 2020_Attachment 2 - Work Description
- check load hook, load safety loops and hook measurement
- check switchboard and partition switch
- check air brake contactor, fuses, time relays and control transformer
- check emergency switch
- check clamps and fuse box
- check lead cable
- check tension relief cable
- check pushbutton pendant
- check protection caps and safety device
- check switch unit and mushroom shaped push buttoncheck main power supply
- check torque rope
- check steel rope clamps
- check complete rope guide
- check pressure springs, tension springs and ring springs
- check load hook, load safety loops and hook measurement
- check switchboard and partition switch
- check air brake contactor, fuses, time relays and control transformer
- check emergency switch
- check clamps and fuse box
- check lead cable
- check tension relief cable
- check pushbutton pendant
- check protection caps and safety device
- check switch unit and mushroom shaped push button
- check main power supply
- Performance of function tests.
- After completion of the load tests an Safety Inspection Label at each crane unit shall be visibly placed next to the main switch, including the inspection date and the clearly marked due date for the next inspection.
- Documentation of services
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