TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 389 of 1313
ENGINE CRANKS BUT WILL NOT START IN COLD WEATHER (FUEL SYSTEM OPERATING PROPERLY) -
Continued
STEP
3.
DOES CIRCUIT 570 WIRE CONDUCT BATTERY VOLTAGE TO ETHER VALVE?
a.
Check for battery voltage at fuel pressure switch terminal. Refer to point to point schematics.
b.
Disconnect circuit 570 wire at ether cylinder valve from fuel pressure switch.
T0478DAA
570
570
Figure 3.
Ether Valve Circuit 570 Wire.
TM 9-2320-272-23-1
0021
0021-4
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