14
T
ROUBLESHOOTING
Engine fails to Start
Engine fires but
does not run
Engine starts but
valve slows down
and then stops
Engine starts,
speeds up, and
until then quits
Engine quits
when starter
battery is
removed
Low voltage on starting
battery
Bad glow plug(s)
Insufficient priming
“Flooded” due to
excessive priming
Over primed
Mixture too rich
Mixture too lean
Mixture too rich
Incorrect glow plugs
Incorrect or bad fuel
Replace/recharge the
starting battery
Inspect/Replace bad
glow plugs
Repeat priming proce-
dure
Disconnect battery,
remove glow plugs and
rotate propeller several
times to “clear”
cylinder(s)
Disconnect battery and
rotate propeller several
times to ”clear”cylin-
der(s)
Close high speed needle
1/2 turn and start again.
Repeat engine is run-
ning smoothly.
Open high speed needle
valve 1/2 turn and start
again. Repeatengine is
running smoothly.
Close high speed needle
valve 1/2 turn and
restart.
Change glow plugs
Change fuel
S
YMPTOM
C
AUSE
C
ORRECTIVE
A
CTION
In the event that none of the above procedures results in the engine run-
ning properly, contact either of our service departments for suggestions at:
Horizon Hobby Distributors
P&P Enterprises
4105 Fieldstone Road
230 West Parker Road, Suite 130
Champaign, IL 61921
Plano, Texas 75075
217-355-9511 (Mon-Fri 8:00-5:00 CST)
214-423-2282 (Mon-Fri 8:00-5:00 CST)
Saito manual doc 11/12/01 2:11 PM Page 14
