21
General
For a bearing to be serviceable for its anticipated life span it must be checked, adjusted
and lubricated at regular intervals, as specified in the service schedules given in the
Owner's Handbook and this Service Manual.
A correctly lubricated bearing will have a film of lubrication that separates the moving
parts, disperses heat and protects the bearing surfaces from corrosion.
In all cases, use the lubricant recommended.
Grease the bearing, not the cavity where it is located.
A bearing that is not regularly checked and lubricated will have a reduced life span.
New Bearings
New bearings are typically protected with an oil preservative to prevent corrosion etc.
during storage. This is NOT the lubrication for the bearing but DOES NOT need to be
washed off prior to assembly and in-service lubrication.
When lubricating a new bearing with grease the following steps should be taken:
1. Do not clean off the oil preservative.
2. Grease must be forced between the roller elements and the roller cage.
3. Rotate the bearing to ensure that the grease is distributed over the entire
circumference of the internal parts.
4. Any excess grease should be smeared on the outside of the rollers.
Lubrication and Checks While Servicing a Bearing
1. Disassemble parts as necessary to access the bearing.
2. Inspect the old grease covering the bearing, looking for signs of bearing damage, i.e.
flakes or specks of metal.
3. Remove the old grease.
4. Check the bearing for smooth operation and visually check for corrosion, dents and
flaking in the bearing race, rollers or cage. Replace if necessary.