12
11. Increase throttle setting to increase engine RPM to approximately 2500 RPM. Allow
engine to run for a few minutes at this setting.
12. Maneuver to a proper run-up area and complete engine run-up. Refer to Run-up
Procedure.
Note: If engine will not start after 3-4 attempts, check the spark plugs.
Refer to section dealing with Trouble-Shooting.
STARTING A HOT ENGINE:
1.
Fuel on.
2.
Master switch on. (if installed.)
3.
Throttle setting to 10%-20% position.
4.
Choke or enricher off.
5.
Call out “all clear”. A person in
the vicinity should call back
“all clear” or “wait,” as
appropriate.
6.
Ignition switches on.
7a. Engage starter switch or button. Remember not to engage for more than 5-7 seconds. See
section dealing with electrical starter for complete instructions.
7b. Make use of the recoil starter. See section dealing with recoil for complete instructions.
8. When engine starts, immediately move throttle setting to idle.
9. Let run at low speed for a couple of minutes.
10. Maneuver to a proper run-up area and complete engine run-up. Refer to Run-up
Procedure.
Note: If engine does not start after 3-4 attempts, apply a little more throttle. If engine still will
not start, check the spark plugs. Refer to section dealing with Trouble Shooting.
RUN-UP PROCEDURE PART #1
Never operate engine without propeller or other RPM restricting device.
After 2 or more minutes at 1800-2500 RPM, open throttle to 3000-4000 RPM for three to four
minutes and observe:
A.
No strange or unusual noises.
B.
Cylinder head temperature is in range and well below maximum.
C.
Exhaust temperature is within range and below maximum.
D.
Check for smooth running and then return to idle Rpm.
E.
Turn off 1
st
ignition switch, check smooth drop of 50-100 RPM. Turn switch back on.
Turn off 2
nd
ignition switch. Check for smooth drop of 50-200 RPM. Turn switch back on.
Only do mag checks at idle Rpm and only for 1 second each.
F.
Checks for other equipment if installed.
NOTE: These portions of the run-up #1 and #2 are also used as a warm up of the engine and
is not to be hurried. If engine is equipped with fuel injection refer to fuel injection manual for
cold and hot starting procedures.
Summary of Contents for F-23
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