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 TM 55-1905-223-10
CAUTION
Do not operate pump more than 2 minutes unless pressure shows on gauge or
priming pump discharges water.
(f) Operate pump; switch to run; adjust engine speed to obtain desired discharge pressure.
(g) Operate pump for 1 minute; inspect for leaks, unusual noises and vibrations.
(h) Slow engine speed to idle and push primer button; observe discharge at primer pump; allow primer
pump to run for 30 to 45 seconds to flush out; release primer button.
(i) Shut discharge valve.
(j) Stop engine by disconnecting fuel hose and allowing engine to run until excess fuel is burned off.
(k) Depressurize and remove fuel tank.
(l) Check oil level in priming pump oiler; fill if necessary. Switch engine control to OFF position, then
push both starter and priming buttons to oil priming for storage. Hold both buttons for approximately
5 seconds. Release buttons.
(m) Disconnect hoses and fitting.
(n) Drain pump by opening pump drain valve fully counterclockwise.
(o) Dry unit, replace caps on all openings; close pump drain valve.
(p) Stow pump hoses and connectors.
e. Manual Startup with Automatic Priming
.
(1) Clear discharge port of priming pump.
(2) Connect red battery cable to (+) positive pole next to carburetor and black cable to (-) negative pole
next to main pump suction inlet.
(3) Place OFF-START-RUN switch (2, FIGURE 2-201) in start position.
(4) Advanced SPEED control (6) clockwise direction, to one quarter of full throttle.
NOTE
If engine is cold, advance CHOKE control (5) fully clockwise (closed), then half
open as engine starts, and fully open for running.
(5) Pull manual start pull cord (1, FIGURE 2-202) in a quick steady motion until engine starts.
2-549
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