AquaCraft Air Force - Manual (Page 14)

14
ENGINE TROUBLESHOOTING
The engine starts
Does the engine
turn over easily?
Does it run
continuously?
Is fuel getting to
the engine?
Check for clogging in
the carburetor or fuel
line. Check for fuel
spraying out of the
fuel line. If so,
replace the fuel line.
Is fuel in the
fuel line?
Is the glow plug
red hot?
Check the high speed needle
setting and prime the engine.
Is foreign matter
clogging the fuel
tank or fuel line?
Is the battery for
the glow plug
clip charged?
It should be
ready to go.
Is the high speed
needle setting 2
to 3 turns out
from closed (if
the engine is
broken-in?)
Try starting the
engine again.
NO
NO
NO
NO
YES
YES
YES
YES
YES
Does the engine
quit when the
glow plug clip is
removed?
YES YES Clear the engine
of fuel.
NO
Reset the high
speed needle.
YES
NO
Replace the
glow plug.
Check that the
pressure line is
connected to the
muffler. The fuel
may be bad.
The engine does not start
NO
Does the engine
turn over easily
with the glow
plug removed?
The engine may
be flooded. Clear
the engine of
fuel.
YES
Check that
nothing is
caught in the
engine.
NO
Check for fuel
spraying out of
the fuel line
through a
small hole. If
so, replace the
fuel line. YES
Remove the
obstruction from
the fuel tank or
fuel line.
NO NO
Charge or
replace the
batteries.
YES
Replace the
glow plug.
Try starting the
engine again.