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 TM 55-1925-273-10-1
0045 00
MSD MOTOR CONTROLLER
1
2
3
OFF
BLOWER RUN
PUMP
HAND
AUTO
OFF
START
6
STOP
5
4
Figure 4. MSD Motor Controller
Table 4. MSD Motor Controller (refer to figure 4)
Key
Control/Indicator
Function
1
BLOWER RUN Indicator
This indicator illuminates to indicate that the blower motor is running.
2
Power Available Indicator
This indicator illuminates to indicate that power is available to the
controller.
3
Main Breaker
The main breaker provides ON/OFF control and circuit protection for the
motor controller.
4
POWER Switch
This switch permits the operator to select between HAND, OFF, and AUTO
operating modes. In the HAND position the MSD pump is controlled
manually. In the AUTO position, the blower motor is controlled
automatically. In the OFF position the MSD pump is OFF.
5
STOP Pushbutton
This pushbutton is used to STOP the MSD blower motor.
6
START Pushbutton
This pushbutton is used to START the MSD blower motor.
0045 00-8
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