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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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