TM-9-2350-311-20-2
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS
DECEMBER 1993
TM-9-2350-311-20-2 - Page 6 of 828
TM 9–2350–311–20–2
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WARNING
•
Do not use mineral spirits or paint thinner to clean the howitzer. Mineral spirits and paint thin-
ners, are highly toxic and combustible. Prolonged breathing can cause dizziness, nausea, and
even death. Do not use these materiels.
•
Avoid prolonged contact with cleaning solvents and adhesives. To prevent damage to eyes,
skin, and lungs:
Always use cleaning solvents and adhesives in a well ventilated area.
Do not permit smoking.
Do not use near open flame.
Avoid contact with skin.
Wear gloves and eye protection.
•
When removing and installing heavy items, make sure to have sufficient personnel and ade-
quate lifting equipment. Equipment can cause serious injury if dropped.
•
Ensure traverse area is clear prior to turning on hydraulic power.
•
Never torque hydraulic lines or fittings when hydraulic system is pressurized. Damage to tubes
and fittings could result in injury to personnel.
•
Failure to aline reticle of M140 alinement device with reticles of M117/M117A2 panoramic tele-
scope and M118A2/M118A3 elbow telescope using boresighting procedure could result in pro-
jectiles landing outside target area. Injury or death of friendly forces can result from firing with
misalined fire control equipment.
•
Refer to FM 21–11, First Aid For Soldiers, for correct procedures to be taken if personnel are
injured.
•
Refer to TM 9–1300–206, Ammunition and Explosives Standards, for correct procedures in-
volving the use of ammunition. Incorrect use of ammunition can cause serious injury or death.
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