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Storting the Engine-continued
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the exhaust valves are opened, thereby relieving
the compression to facilitate easy turning.
To start, put the decompressor lever in \he
vertical position, turn the engine over smartly 8nd
drop the decompressor lever.
It should be noted that where a decompressor
shaft is fitted, loss of compression in ODe or more
cylinders may be caused by this shaft fouling one
or more of the rocker levers, thus preventing
closure of a valve or valves. The remedy is a
ney.' cylinder head cover joint.
If the engine is particularly cold lift the de-
compressor lever and turn the engine over a few
time~ before attempting to start.
In this case the procedure is as laid down above
except that the tap provided on the filter should
be turned on before using the equipment.
Af ter use be sure to turn olf the tap and screw
down the hand pump otherwise fuel may drain
from the main tank into the engine.
Maintenance of Equipment.
Use fuel oil in the system.
Check unions, pipes, and supply tank fOT leaks.
Inspect every 1,000 hours to make sure that all
connections and terminals are tight on .. Heater-
Starter " switch and Heater plug.
If any difficulty is found in operating the pump
especially on the downward pressure stroke,
inspect the atomiser swirl and jet hole.
To Stop the Engine
A spring loaded stop control is located near the
normal engine controls and functions by cutting
off the fuel oil at the fuel injection pump.
To operate, pull the knob and hold in this
position until the engine ceases to. rotate. Ensure
that the control returns to the run position other-
wise difficulty may be experienced in restarting
the engine.
Hand Starting.
Engines not provided with electric starting
equipment are fitted with a decompressor shaft
in the valve cover.
The decompressor lever is positioned on the
front of the valve cover. Wh en the lever is raised,
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