Wheel bearing hot spots/blue discoloration
While repacking the wheel bearings on our FW I noticed a discolored portion on the inner race of a couple of the inner bearings...there is a corresponding discoloration of the axle spindle where the b...
Forum Discussion
A photo would help. It is normal for harmless fretting corrosion to appear where the bearing meets the spindle, applying a thin coat of grease to the spindle will help reduce that. All bearings of this type are adjusted the same way, not just fifth wheels. There is to be a very small amount of play in the bearings, you don't just back off a certain amount.
See page 56
See page 56
