CLEANING AND INSPECTION - TM-5-3895-349-14-P0708

4. Press inner bearing from pinion assembly (Fig. 85).

5. If worn or damaged, drive bearing cups from pinion

bearing cage (Fig. 86).

CLEANING AND INSPECTION

water to re- move all traces of alkali. Cast parts may

CLEANING

also be cleaned with steam cleaner.

Clean all parts thoroughly using solvent type

cleaning fluid.

It is recommended that parts be

CAUTION: Care should be exercised to avoid skin

immersed in cleaning fluid and slushed up and down

rashes and inhalation of vapors when using alkali

slowly until all old lubricant and foreign material is

cleaners.

dissolved and parts are thoroughly cleaned.

CAUTION: Care should be exercised to avoid skin

Thoroughly dry all parts cleaned immediately by

rashes, fire hazards and inhalation of vapors when using

using moisture-free compressed air or soft, lintless

absorbent wiping rags free of abrasive materials such as

solvent type cleaners.

metal filings, contaminated oil or laping compound.

Bearings

Brake Shoes and Brake Bands

Remove bearings from cleaning fluid and strike

Do not use solvents or cleaning fluids on brake

larger side of cone flit against a block of wood to

shoes and linings. Thoroughly clean them with wire

dislodge solidified particles of lubricant. Immerse again

brush.

in cleaning fluid to flush out particles. Repeat above

operation until bearings are thoroughly clean. Dry

bearings using moisture-free compressed air.

INSPECTION

careful to direct air stream across bearing to avoid

The importance of careful and thorough inspection

spinning. Do not spin bearings when drying. Bearings

of all parts cannot be overstressed. Replacement of all

may be rotated slowly by hand to facilitate drying

parts showing indication of wear or stress will eliminate

process.

costly and avoidable failures at a later date.

Housings

Bearings

Clean interior and exterior of housings, bearing

Carefully inspect all rollers, cages and cups for

caps, etc., thoroughly. Cast parts may be cleaned in hot

wear, chipping or nicks to determine fitness of bearings

solution tanks with mild alkali solutions providing these

for further use. Do not replace a bearing cone or cup

parts do not have ground or polished surfaces. Parts

individually without replacing the mating cup or cone at

should remain in solution long enough to be thoroughly

the same time. After inspection, dip bearings in clean

cleaned and heated. This Will aid the evaporation of

light oil and wrap in clean lintless cloth or paper to

the clean- ing solution and rinse water. Parts cleaned in

protect them until installed.

solution tanks must be thoroughly rinsed with clean