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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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