TM 5-2420-230-10
a. Do the before (B) PREVENTIVE MAINTENANCE just before operating vehicle. Pay attention to the CAUTIONS and
WARNINGS.
b. Do the during (D) PREVENTIVE MAINTENANCE while vehicle and/or its component systems are in operation. Pay
attention to the CAUTIONS and WARNINGS.
c. Do the after (A) PREVENTIVE MAINTENANCE right after operating vehicle. Pay attention to the CAUTIONS and
WARNINGS.
d. Do the (M) PREVENTIVE MAINTENANCE once a month. Pay attention to the CAUTIONS and WARNINGS.
e. If
something does not work, troubleshoot with instructions in
Para 3-12 and notify the supervisor.
f. Always do PREVENTIVE MAINTENANCE in the same order until it gets to be habit. Once practiced, problems can be
spotted in a hurry.
g. If something looks wrong and cannot be fixed right then, write it on DA Form 2404 or DA Form 5988-E. If something
seems seriously wrong, report it to Unit maintenance RIGHT NOW.
h. When doing PREVENTIVE MAINTENANCE, take
along the tools needed
and a
rag (Item 8,
Appendix D) or
two to
make all the checks.
APPROVED HEARING PROTECTION MUST BE WORN by operator and any personnel within
22 ft. (7 m) of an IHMEE at high idle or within 12 ft. (4 m) of an IHMEE at low idle. Personnel
hearing can be PERMANENTLY DAMAGED if exposed to constant high noise levels of
85 dB (A) or greater. Personnel exposed to high noise levels shall participate in a hearing
conservation program in accordance with DA PAM 40-501. Hearing loss occurs gradually but
becomes permanent over time. Failure to comply may cause impairment or loss of hearing.
Degreasing Solvent (MIL-PRF-680) is toxic and flammable. Keep away from heat or flame. Never
smoke when using solvent. The flashpoint for Type II Degreasing Solvent is 141 F (61 C). Wear
protective goggles, face shield, and gloves; use only in a well-ventilated area; avoid contact with
skin, eyes, and clothes; and do not breathe vapors. Failure to comply may result in injury or death
to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and medical
help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts eyes, immediately
flush eyes with water and get immediate medical attention.
Adhesives, solvents, and sealing compounds burn easily and give off vapors that are harmful to the
skin and clothing. To avoid injury or death, keep away from open fire when using these materials,
and use only in well-ventilated areas. If adhesives, solvents, or sealing compounds contact the skin
or clothing, wash immediately with soap and water, and rinse thoroughly. Failure to comply may
result in injury or death to personnel.
a. Cleanliness. Dirt, grease, oil, and debris only get in the way and may cover up a serious problem. Use degreasing
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