TM 10-4320-344-10
2.5.1.2 Electric Manual Mode. (Continued)
Figure 2-20.
Model 609-A
and Electric
Control Used for Electric Manual
Automatic Operation.
(1) Set ENGINE SWITCH (5) to OFF position.
(2) Reset engine alarm by pushing ENGINE ALARM reset button (2).
(3) Wait 3 minutes, then repeat step g.
h.
Turn MANUAL THROTTLE (7) counterclockwise until it is fully out.
i .
Set PRESSURE
If pump fails to
REGULATOR SWITCH (8) to ELECTRIC position.
take suction,
pump can overheat.
Overheated pump can
cause severe burns.
j .
Turn ELECTRIC SPEED CONTROL (6) clockwise until pump takes suet ion, as
indicated by pressure reading on PUMP SUCTION gauge (3) or decrease in
engine speed as indicated on ENGINE TACHOMETER/HOURMETER (12). If pump
fails to take suction after 3 minutes, shut down engine (step o). Notify
unit maintenance.
2-92
WARNING