Normal Procedures
Pilot’s Flight Manual
5. Maintain 2500 rpm with full down collective pitch for
two minutes; watch for cylinder head temperature to
decrease and stabilize.
6. Decrease to and hold 2000 rpm until
CHT stabilizes.
7. Close throttle to IDLE STOP.
8.
Set clutch control switch in RELEASE position
(guard open) and maintain throttle against stop.
CAUTION
Damage to rotor blades and tailboom may result if
collective pitch is used to slow rotor.
9. Mixture IDLE CUTOFF (Pull)
10. Magnetos OFF
11. Alternator OFF
12. Battery (after clutch is
fully disengaged)
OFF
13. All remaining switches OFF
14. Fuel valve CLOSE (Pull)
4-16. PILOT’S CHECK OF IDLE MIXTURE, IDLE SPEED, AND
(HELICOPTERS WITH FUEL INJECTED ENGINE - HIO-360-G1A)
FUEL BOOST PUMP
NOTE: This check of idle mixture and idle speed shall
be accomplished at the end of the last flight each day,
prior to engine shutdown. In the event that the idle
mixture check was not accomplished and recorded,
the procedure must be accomplished prior to first
flight of the day.
1. Accomplish this idle mixture check by first hovering the aircraft until
normal in-flight operating temperatures of cylinder heads and engine
oil are achieved. Once normal operating temperatures are achieved,
perform the idle mixture check as follows:
4-24 Reissued: 16 Jan 2019
SCHWEIZER
Model 269C-1 Helicopter
FAA Approved
CSP book 2..indd 102 8/4/19 12:53 PM
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