KEY TO PTO (M916/M920) PUSHER AXLE CONTROLS (M917, M919 AND M920) AND TRANSMISSION RATlO SELECTOR CONTROL (Cont)

TM 9-2320-273-10

KEY TO PTO/PUSHER AXLE CONTROLS AND TRANSMISSION

RATlO SELECTOR CONTROL (Continued)

TRANSMISSION RATlO SELECTOR (Continued)

The transmission is equipped with strip heaters to warm

the transmission during cold weather. The strip heaters

are thermostatically controlled for automatic operation

at temperatures below 5F. The indicator light on the

console lights when the strip heaters are on. Do not

operate the transmission until the indicator light goes

off.

POWER TAKEOFF CONTROL (M916 thru M920)

With transmission in 1st gear, pull cable knob to engage

power takeoff unit, then place transmission in neutral.

Push cable knob to disengage power takeoff unit. When

PTO has disengaged the indicator light will go off.

FAN CLUTCH ACTUATOR OVERRIDE

(M919 ONLY)

The override switch is used during mixing oper-

ations of the Concrete-Mobil mixer to prevent

the fan clutch from disengaging. See TM 5-3895-

372-10 for specific operation instructions. Place

the switch in the OVERRIDE ON position to

override the fan clutch actuator and in the

AUTOMATIC position for normal fan clutch

operation.

PUSHER AXLE CONTROLS (M917, M919 and M920)

Use this control panel to lower and raise the pusher axle, and to pressurize the

system to adjust the amount of weight carried by the pusher axle.

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