S0302000
Page 13
General Maintenance Procedures
Return to Master Table of Contents
Heat Discoloration
Heat discoloration can range from faint yellow to
dark blue resulting from overload or incorrect
lubrication.
Excessive heat can cause softening of races or
rollers.
To check for loss of temper on races or rollers, a
simple file test may be made. A file drawn over a
tempered part will grab and cut metal, whereas
a file drawn over a hard part will glide readily
with no metal cutting.
Replace bearing if over heating damage is
indicated. Check seals and other related parts
for damage.
Stain Discoloration
Discoloration can range from light brown to
black caused by incorrect lubrication or
moisture.
if the stain can be removed by light polishing or
if no evidence of overheating is visible, the
bearing can be reused.
Check seals and other related parts for damage.
Figure 17
Figure 18
To Next Page
Loading...
