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 246 of 1275

TM 9-2350-311-20-1
3-3 TROUBLESHOOTING CHART — CONTINUED
l.
AIR CLEANER BLOWER MOTOR CIRCUIT —
(1) BLOWER MOTORS FAIL TO OPERATE WHEN
CONTINUED
VEHICLE IS IN DRIVE
General mechanic’s tool kit (item 64, Appx H)
Two
Multimeters (item 36, Appx H)
TA-1 probe kit (item 43, Appx H)
. .
Equipment Conditions
(Long test leads may be needed for some tests;
Engine compartment access cover removed (para 11-5)
16 AWG wire may be used as an extension.)
Transmission left access door open (TM 9-2350-311-10)
Air intake grille open (TM 9-2350-311-10)
NOTE
Vehicle must be in gear in order for fans to operate. All
steps require this condition unless otherwise specified.
3-146
(para 8-36).


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