Manual Priming Startup.

TM 55-1915-200-10

NOTE

a. Unscrew and remove manual prime inlet plug

If engine is cold, advance CHOKE

(10, FIGURE 2-177, Sheet 2 of 3) from priming inlet.

control (6) fully clockwise (closed),

b. Fill pump with water until filler cap is full,

then half open as engine starts, and

replace plug in priming inlet.

fully open for running.

c. Place OFF-START-RUN switch (3, Sheet 1 of 3)

e. Depress and hold START pushbutton (5) until

in START position.

engine starts. Adjust choke and speed controls as

d. Advance SPEED control (7) in clockwise

required.

direction, 1/4 full throttle.

CAUTION

NOTE

Do not allow pump to run more than

If engine is cold, advance CHOKE

2 minutes without water flowing.

control (6) fully clockwise (closed),

Lack of cooling water could cause

then half open as engine starts, and

severe impeller and exhaust system

fully open for running.

damage.

e. Depress and hold START pushbutton (5) until

f. Rotate water discharge valve (8, FIGURE 2-

engine starts. Adjust choke and speed controls as

177, Sheet 2 of 3) counterclockwise to fully CLOSED

required.

position.

CAUTION

NOTE

Do not allow pump to run more than

If suction lift is 20 feet or less, push

2 minutes without water flowing.

in and keep firm continuous

Lack of cooling water could cause

pressure on PRIME pushbutton (4,

severe impeller and exhaust system

Sheet 1 of 3) until pump is primed.

damage.

g. Open slowly by rotating water discharge valve

f. Open water discharge valve (8, Sheet 2 of 3)

(8, Sheet 2 of 3) clockwise until indicating pressure on

slowly and advance engine speed control (7, Sheet 1 of

gauge and advance speed control (7, Sheet 1 of 3) as

3) as required to attain desired pumping pressure.

required.

g. Place OFF-START-RUN switch (3) in RUN

h. Release PRIME pushbutton (4) after priming

position.

pump.

h. Rotate

CHOKE

control

(6)

full

i. Place OFF-START-RUN switch (3) in RUN

counterclockwise position.

position.

2-5.27.3. Turn-Off Instructions.

j. Rotate

CHOKE

control

(6)

full

a. Rotate SPEED control (7, FIGURE 2-177, Sheet

counterclockwise, OFF position.

1 of 3) to full counterclockwise OFF position.

2-5.27.2. Manual Priming Startup.

b. Place OFF-START-RUN switch (3) in OFF

position.

2-493