The excavator slewing bearing device is composed of a turntable, a slewing bearing and a slewing mechanism, the outer ring of the slewing bearing is connect to turntable with high strength bolts (it divides three stages forcing the bolts pre-tightening), inner race with teeth and chassis connected by bolts, inner race ...Mar 2, 2020
How do you test a slewing bearing?
Rocking Test is a test which is carried out to find, wear down of the slewing bearing of the deck crane on ships. This measures the play (or relative movement) between the inner and outer bearing race, to give an indication of the wear taking place.Jan 7, 2019
How do you grease a swing bearing?
https://www.youtube.com/watch?v=bc9ZDqUkPlc
How does a swing bearing work?
Usually, a slewing bearing ring uses two rows of rolling elements. Besides, three race elements, such as an inner ring and two outer ring "halves" that clamp together axially are also widely applied to a slewing ring. Gear teeth integral with the inner or outer race are often used to make a slewing bearing.Feb 2, 2018
How often should you grease the turntable on an excavator?
Bearing Lubrication Slowly-rotating equipment or oscillating applications (e.g., backhoes, excavators, cranes) should be re-lubricated about every 100 hours of operation.
How often should you grease the Rotec?
Since the meshing action of the teeth tends to squeeze out lubricant, gears should be lubricated every eight hours on slow-rotating or intermittently rotating equipment, and more often on rapidly or continuously rotating equipment.Feb 3, 2013
How do you grease a slew ring?
At a glance: six steps to save slewing ring bearings Grease regularly. Apply a liberal shot of extreme-pressure grease to the fittings around the bearing's circumference at intervals recommended in the operator's manual. Purge with grease. Pump grease into the bearing until you see old grease squeeze past the seal.
How do you change a swing bearing?
https://www.youtube.com/watch?v=aRqKe2_GZlM
How do I know if my swing bearings are bad?
- Humming Noise. The most easily identifiable and most common symptom of bad wheel bearings is an audible one. ...
- Squealing, Growling. ...
- Clicking Sound. ...
- Wheel Wobble. ...
- ABS Failure. ...
- Uneven Tire Wear. ...
- Vehicle Pulls to One Side. ...
- Steering Wheel Vibration.
What is a swing bearing excavator?
A swing bearing, or slew ring, is the rotating joint between the upper and lower frame of an excavator. It is an essential part of the machine as it allows for 360-degree rotation on the top structure, while the bottom structure remains stationary.