4. Pull the compressions release (if so equipped).
5. Press starter button or turn switch-key to "start"
Caution: To prevent permanent cranking motor
damage, do not crank engine for more than 30
seconds continuously. If engine does not fire within
first 30 seconds, wait one to two minutes before
6. A manual override knob provided on the forward
end of the electric shut-down valve allows the valve to
To use the preheater for cold starting:
be opened in case of electric power failure. To use,
open by turning fully clockwise; return to run position
1. Set throttle in idle position. Do not accelerate
after electric repair.
engine during the starting procedure.
7. After three or four seconds of cranking, close the
2. Turn glow plug toggle switch to "ON" position.
compression release (if so equipped) and continue to
Red indicator light must be on.
crank until the engine fires.
3. After red light has been on for 20 seconds, start
cranking the engine. As soon as engine begins rotating,
Caution: After engine has run for a few minutes,
operate the preheater priming pump to maintain 80 to
shut it down and allow time for oil to drain back into
100 psi (5.6 to 7.0 kg/sq cm) fuel pressure. Use of
pan. Check engine oil level again; add oil as
primer before the 20-second interval will wet glow plug
necessary to bring oil level to "H" mark on dipstick.
The drop in oil level is due to absorption by the oil
filter and filling of the oil cooler. Never operate the
NOTE: On engines equipped with an oil pressure
engine with oil level below the low level mark or
safety switch, the fuel by-pass switch must be in
above the high level mark.
"start" position before operating priming pump.
Hold the fuel by-pass switch in "start" position until
engine oil pressure reaches 7 to 10 psi (0.5 to 0.7
kg/sq cm); then, move to "run" position.
To aid in starting engine when temperature is 50
deg. F (10 deg. C) or below, an intake air preheater is
available. Preheater equipment consists of a hand-
4. If engine does not start within 30 seconds, stop
priming pump to pump fuel into intake manifold, a glow
cranking. Wait one to two minutes and repeat cranking
plug which is electrically heated by battery and a switch
to turn on glow plug. Fuel burns in the intake manifold
5. After engine starts, pump primer slowly to keep
and heats intake air. See Fig's. 1-4 and 1-5.
4 to 5 minutes or longer.
Caution: Do not use ether in conjunction with the
Do not accelerate engine.
preheater. To do so could result in a fire.
6. When the engine has warmed up so it does not
falter between primer strokes, stop pumping. Close and
lock primer. Turn off glow plug toggle switch. (Red
indicator light will go out).