TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

  TM-9-2350-311-20-1 - Page 7 of 1275

TM 9-2350-311-20-1
ELECTRICAL HAZARD
Be certain MASTER switch is off when working on hull electrical system to prevent injury due to
electrical shock (FM 21-1 1).
BURN HAZARD
Batteries contain sulfuric acid that can cause severe bums. Avoid contact with skin, eyes, or clothing,
and remove all metal or jewelry. If battery electrolyte is spilled, stop its burning effects immediately (FM
21-11).
WARNING
FLAMMABLE
Battery gases can explode. Do not smoke, have an open flame, or create sparks around a battery,
especially if the caps are off. Severe injury may result if you fail to heed this warning. Seek medical aid
immediately should explosion occur (FM 21-1 1).
WARNING
NOISE HAZARD
Excessive noise levels are present any time the equipment is operating. Wear hearing protection while
operating or working around equipment while it is running. Failure to do so could result in damage to
your hearing. Seek medical aid should you suspect a hearing problem (FM 21-1 1).
HAZARDOUS WASTE
When servicing this vehicle, performing maintenance, or disposing of materials such as engine coolant,
transmission fluid, lubricants, battery acids or batteries, and CARC paint, consult your unit/local
regulatory guidance. If further information is needed, please contact the U.S. Army Environmental
Hotline at 1-800-872-3845.
ROTATION HAZARD
Protective fan screens must be installed prior to performing maintenance in the engine compartment
when the engine is running or in ground hop mode. Contact with rotating fan can cause injury (FM 21-11 ).
WARNIN G
WARNIN G
WARNING
WARNING
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