Slew Ring Grease

When begin use it the user should fill into full new grease which could make sure the slewing bearing works in good function.

Slew ring grease.

We recommend retightening the fasteners after the first two to four months of utilization and then proceeding to a systematic yearly check. Later fine cracks develop followed by flaking. New grease must be added before and after the machine has been shut down for a long time. In case of some slewing ring bearings fatigue may occur due to improper internal lubrication.

More than 96 of slewing ring failure could be avoided by following simple maintenance tips. The grease must entirely cover the flanks of the pinion and of the ring gear whether applying by brush or spraying. Lubrication is especially important in the maintenance of slewing bearings. Slewing bearing is normally used ep ii extreme pressure ii lithium ester.

Fill in the slewing bearing grease. Inadequate lubrication is the most common cause of premature bearing failures. Slewing bearing grease analysis. Apply a liberal shot of extreme pressure grease to the fittings around the bearing s circumference at intervals recommended in the operator s manual.

Pump grease into the bearing until you see old grease squeeze past the seal. In slewing ring bearings a heavy duty extreme pressure grease is required. Watch his brief video and learn from jeff payne caterpillar maintenance expert how to maintain the swing bearing and swing gear on your cat hydraulic exca. The slewing rings are essentially working in fatigue.

The lubrication must be filled with grease in each race until it seeps out from the seal. Consisting of rings mounted with threaded fasteners and usually having a gear integral with one of the rings. When filling grease slowly turn the slewing ring to make the grease fill evenly. When lubrication is inadequate surface damage in the form of roughening or waviness occurs.