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Page Title:
Section III. GENERAL MAINTENANCE INSTRUCTIONS |
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 TM 10-3930-630-34
Section III. GENERAL MAINTENANCE INSTRUCTIONS
2-8. General Inspection Instructions
2-6. General
a. General. Perform an inspection of all parts as
a. This section provides general cleaning,
soon as possible after cleaning. Instructions for specific
inspection and repair instructions that are common to
inspection procedures are included in the text at the
components used on the fork lift truck.
point in overhaul procedures where the inspection must
b. Special cleaning, inspection and repair
be performed.
instructions applicable to any individual component is
b. Visual Inspection.
covered with that component in the applicable sections
(1) Visually inspect all machined and
of this manual.
polished areas. Use a strong light to shine across
polished surfaces to inspect for scoring, cracks, breaks
2-7. General Cleaning Instructions
or excessive wear.
(2) Visually inspect all gears for evidence
a. Metal Parts.
of metal to metal abrasion,
pitting, cracks, breaks,
(1) Prior to removal or disassembly of
chipped teeth or excessive wear.
major components,
clean off excess oil or dirt with a
c. Electrical Parts.
cleaning solvent (Fed Spec P-D-680) or steam clean.
(1) Visually inspect wiring harness and
(2) Use a cleaning solvent (Fed Spec P-D-
wiring for frayed edges or damaged insulation.
680) to clean parts such as gears, housings and hand
(2) Inspect all electrical parts such as
packed bearings.
solenoids, with power applied, to observe actual
CAUTION
operation.
Do not immerse oil impregnated
d.
Dimensional Inspection. Refer to table 1-1
bearings or sealed bearings in
for minimum, maximum and allowable clearances and
cleaning solvent. Clean with a
perform a dimensional inspection. Central dimensional
solvent moistened cloth.
inspections must be performed during reassembly of
(3) Use brushes to clean irregular shaped
components.
surfaces; use wooden pegs to clean ports and orifices.
Use a lint free cloth to wipe parts clean.
2-9. General Repair Instructions
(4) Exercise care when handling machined
and polished surfaces to avoid nicks and other damage.
a. Thread Repair. Use the proper size tapping
Do not immerse more than one metal machined part in
tool to repair tapped holes. Discard and replace all
solvent at the same time unless such parts are
hardware that has defective threads.
separated or protected from contacting each other.
b. Press Fit Parts.
b. Electrical Components.
(1) Prior to removal or disassembly of
of a pneumatic or hand operated arbor press.
electrical components, clean exterior by scraping off
(2) Preheat all press-fit parts before
excess oil and dirt. Wipe clean with a lint free cloth
reassembly if specified. Use a lubricant if necessary to
dampened with cleaning solvent (Fed. Spec P-D680).
reduce abrasive action.
CAUTION
CAUTION
Do not press on the outer race of
Do not immerse any electrical
bearings when installing on shafts. Do
component or device in cleaning
not press on inner race of bearing
solvent.
when installing in a housing.
(2) Clean armatures, coils and solenoids
with compressed air and wipe clean with a lint free cloth
2-10. Welding Instructions
dampened in cleaning solvent.
WARNING:
a. Many of the components of the lift truck are
Safety glasses must be used when
welded or can be repaired by welding.
cleaning parts with compressed air.
b. Observe good welding practices when repair-
(3) Wipe electrical terminals clean with a
ing by welding. Refer to TM 9-237 for correct welding
lint free cloth dampened with cleaning solvent. Use a
techniques.
c. When repair of a component of the lift truck
connectors.
requires special welding instructions, these instructions
c. Gaskets, Seals aced O-Rings.
will be included in the applicable paragraphs.
(1) Clean all old gasket particles from
mating surface. (2) Discard and replace all gaskets,
seals, O-rings and felt washer.
2-4
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