Maintenance of Steps and Step Traction Racks
Maintenance of Steps and Step Traction Racks 1. Step maintenance 2. Maintenance of step traction rack
Jun 01,2022
How to maintain step and step traction rack
1. Step maintenance
(1). Check item: Step Chain
Inspection content:
Stop: Whether there is wear and damage, degree of lubrication
Work: ——
Measures: If there is a lack of lubricating oil, it needs to be added
(2). Inspection item: Step Roller
Inspection content :
Stop: for wear and damage
Work: Noise
Measures: If the stepped pulley bearing fails, the entire pulley needs to be replaced
(3). Inspection items: Step
Inspection content :
Stop: installation status, whether or not, damaged and loose
Work: gap between apron board and rungs
Measures: If the step slot needs to be replaced
(4). Inspection item: Comb Plate
Inspection content :
Stop: installation condition and damage
Work: Clearance between comb plate and step slot
Measures: If the comb teeth are damaged, they need to be replaced
2. Maintenance of step traction rack
(1).Inspection of the step shaft and traction rack, the steps must be detached Before checking the step shaft and the traction rack.
Make sure the backstop rings are against both ends of the step shaft.
Check whether the surface of the step shaft pulley is worn or peeled off.
Check that all pulleys rotate properly.
Make sure there are no unusual sounds when the escalator is running.
Make sure there is no rubber rubbing noise from the traction rack pulley.
Check the degree of wear of the bearings (plastic and metal).
Make sure that the step shaft rotates normally.
Check that the locking ring is in the bushing. If there is a loose phenomenon, the components of the step shaft will move sideways and rub against the apron plate.
(2). Step shaft and step traction teeth
When removing the steps, it is necessary to clean the step shaft, traction sheave, and traction rack.
(3). Lubrication of step shaft and traction rack
Special lubricants for elevators should be used to lubricate the traction racks and bearings.
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