JLG TF6-42 Service Manual - Manuale (Pagina 653)

T12000 ID 04/99 2-1
2. CLEANING, INSPECTION AND LEGEND SYMBOLS
2.1 CLEANING
Clean all parts thoroughly using solvent type cleaning fluid. It is recommended that parts be immersed in
cleaning fluid and moved up and down slowly until all old lubricant and foreign material is dissolved and parts
are thoroughly cleaned.
CAUTION
C
ARE SHOULD BE EXERCISED TO AVOID SKIN RASHES
,
FIRE HAZARDS
,
AND INHALATION OF VAPOURS WHEN USING
SOLVENT TYPE CLEANERS .
2.1.1 Bearings
Remove bearings from cleaning fluid and strike flat against a block of wood to dislodge solidified particles of
lubricant. Immerse again in cleaning fluid to flush out particles. Repeat above operation until bearings are
thoroughly clean. Dry bearings using moisture-free compressed air. Be careful to direct air stream across
bearing to avoid spinning. Do not spin bearings when drying. Bearings may be rotated slowly by hand to
facilitate drying process.
2.1.2 Housings
Clean interior and exterior of housings, bearing caps, etc…, thoroughly. Cast parts may be cleaned in hot
solution tanks with mild alkali solutions providing these parts do not have ground or polished surfaces.
Parts should remain in solution long enough to be thoroughly cleaned and heated. This will aid the evaporation
of the cleaning solution and rinse water. Parts cleaned in solution tanks must be thoroughly rinsed with clean
water to remove all traces of alkali. Cast parts may also be cleaned with steam cleaner.
CAUTION
C
ARE SHOULD BE EXERCISED TO AVOID INHALATION OF VAPOURS AND SKIN RASHES WHEN USING ALKALI CLEANERS
.
All parts cleaned must be thoroughly dried immediately by using moisture-free compressed air or soft, lintless
absorbent wiping rags free of abrasive materials such as metal fillings, contaminated oil, or lapping compound.
2.2 INSPECTION
The importance of careful and thorough inspection of all parts cannot be overstressed. Replacement of all
parts showing indication of wear or stress will eliminate costly and avoidable failures at a later date.
2.2.1 Bearings
Carefully inspect all rollers: cages and cups for wear, chipping, or nicks to determine fitness of bearings for
further use. Do not replace a bearing cone or cup individually without replacing the mating cup or cone at the
same time. After inspection, dip bearings in Automatic Transmission Fluid and wrap in clean lintless cloth or
paper to protect them until installed.