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

  TM-9-2350-311-20-1 - Page 110 of 1275

TM 9-2350-311-20-1
3-2 QUICK GUIDE TO TROUBLESHOOTING — CONTINUED
ITEM
SYMPTOM
PRIMARY
ALTERNATE
VENTILATED
FACEPIECE
SYSTEM
(M109A4/
M109A5)
SLAVE START
RECEPTACLE
(M109A21
M109A3)
SLAVE START
POWER
RECEPTACLE
(M109A4/
M109A5)
NBC INDICATOR LIGHT FAlLS TO
OPERATE; NBC HEATERS AND
PURIFIER OPERATE
AIR PURIFIER FAILS TO OPERATE;
HEATERS OPERATE PROPERLY
DRIVER’S NBC HEATER FAlLS TO
OPERATE; PURIFIER AND
CANNONEER NO. 2 NBC HEATER
OPERATE PROPERLY
CANNONEER NO. 2 HEATER FAILST0
OPERATE; PURIFIER AND DRIVER’S
NBC HEATER OPERATE PROPERLY
AIR PURIFIER, DRIVER’S AND
CANNONEER NO. 2 NBC HEATERS
FAIL TO OPERATE
NO POWER TO VEHICLE FROM
SLAVE START RECEPTACLE; SLAVED
VEHICLE HAD POWER WHEN
OPERATING.
NO POWER TO VEHICLE FROM
SLAVE START RECEPTACLE; SLAVED
VEHICLE HAD POWER WHEN
OPERATING
EXTERNAL POWER RECEPTACLE
FAILS TO OPERATE
Para 3-3af(1)
Para 3-3af(2)
Para 3-3af(3)
Para 3-3af(4)
Para 3-3af(5)
Para 3-3ag
Para 3-3ah(1)
Para 3-3ah(2)
None
None
None
None
None
None
None
None
3-10


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