5. If worn or damaged, drive bearing cups from pinion
4. Press inner bearing from pinion assembly (Fig. 85).
bearing cage (Fig. 86).
TS-5703
FIG. 86
CLEANING AND INSPECTION
tanks must be thoroughly rinsed with clean water to re-
CLEANING
move all traces of alkali. Cast parts may also be cleaned
Clean all parts thoroughly using solvent type clean-
with steam cleaner.
ing fluid. It is recommended that parts be immersed in
cleaning fluid and slushed up and down slowly until all
CAUTION: Care should be exercised to avoid skin rashes
old lubricant and foreign material is dissolved and parts
and inhalation of vapors when using alkali cleaners.
are thoroughly cleaned.
Thoroughly dry all parts cleaned immediately by using
CAUTION: Care should be exercised to avoid skin rashes,
moisture-free compressed air or soft, lintless absorbent
fire hazards and inhalation of vapors when using solvent
wiping rags free of abrasive materials such as metal fil-
type cleaners.
ings, contaminated oil or loping compound.
Bearings
Brake Shoes and Brake Bands
Remove bearings from cleaning fluid and strike larger
Do not use solvents or cleaning fluids on brake shoes
side of cone flat against a block of wood to dislodge
and linings. Thoroughly clean them with wire brush.
solidified particles of lubricant. Immerse again in clean-
ing fluid to flush out particles. Repeat above operation
INSPECTION
until bearings are thoroughly clean. Dry bearings using
The importance of careful and thorough inspection of
moisture-free compressed air. Be careful to direct air
all parts cannot be overstressed. Replacement of all parts
stream across bearing to avoid spinning. Do not spin
showing indication of wear or stress will eliminate costly
bearings when drying. Bearings may be rotated SlOWIy
and avoidable failures at a later date.
by hand to facilitate drying process.
Bearings
Housings
Carefully inspect all rollers, cages and cups for wear,
Clean interior and exterior of housings, bearing caps,
chipping or nicks to determine fitness of bearings for
etc., thoroughly. Cast parts may be cleaned in hot solu-
further use. Do not replace a bearing cone or cup indi-
tion tanks with mild alkali solutions providing these parts
vidually without replacing the mating cup or cone at the
do not have ground or polished surfaces. Parts should
same time. After inspection, dip bearings in clean light
remain in solution long enough to be thoroughly cleaned
oil and wrap in clean lintless cloth or paper to protect
and heated. This will aid the evaporation of the clean-
them until installed.
ing solution and rinse water. Parts cleaned in solution
[30]
