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  • service
    Service commitment maintenance

    Lubrication of tower cranes

    Lubricating part name

     

    Grease type

    Lubrication cycle

    Lifting mechanism

    reducer

    No. 220 medium load extreme pressure gear oil
    winter: Mobil sha626 lubricating oil

    Change the oil after 1500 hours of work, and check the oil level every day

    All hinge points of the brake

    engine oil

    Work 50 hours dripping oil

    Brake Hydraulic Pusher

    Winter: No. 25 transformer oil
    Summer: No. 10 transformer oil

    Replace every six months

    Bearing housings, rolling bearings

    grease

    Work 160 hours

    Rotary mechanism

    reducer

    grease

    50 hours of work

    Hydraulic coupling

    Turbine Oil

    Check it once a month and refuel when you find that the oil is insufficient

    Rotary limiter

    grease

    Work 160 hours


    Bearing housings, rolling bearings

    grease

    Work 160 hours

    Amplitude limiter

    grease

    Work 160 hours

    Jacking mechanism

    hydraulic cylinder

    N46-N68 anti-wear hydraulic oil
    winter: blue silk 40-1 hydraulic oil plus anticoagulant

    Replace every six months

    Slewing ring

    Slewing ring

    grease

    50 hours of work

    open gear

    grease

    50 hours of work

    All motor bearings

    grease

    Change the oil after 1500 hours of work, and check the oil level every day

    All wire rope

    Graphite Grease

    Lubricate twice a month

    all pulleys

    grease

    Lubricate twice a month

    Threads of bolts and nuts in standard sections

    oil or grease

    Lubricate once a month

    Tie rod connection pin hole and shaft

    oil or grease

    Lubricate after dismantling the tower, and regularly lubricate when in stock

    Boom connection pin hole and shaft

    oil or grease

    The amount of lubricating oil required for lifting and pumping stations (kg)


    Lifting reducer

    Hydraulic power station

    QTZ160


    120

    QTZ125


    110

    QTZ80

    40

    100

    QTZ63

    15

    95

    QTZ40

    20

    75

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