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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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