WACO YMF F5 Series, Maintenance Manual

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WACO Classic Aircraft Corporation
YMF WACO F5 SERIES MAINTENANCE MANUAL
REVISION: H Page
9
of
33
RELEASED: 07/21/2017 PART NO. YMFAMM-1
5.3.2 TAXIING:
CAUTION
IMPORTANT: GROUND RUN OPERATIONS SHOULD BE
CONDUCTED ONLY BY PERSONNEL PROPERLY
TRAINED AND EXPERIENCED IN THE OPERATION OF
THIS TYPE AIRCRAFT!
Before attempting to taxi the airplane, ground personnel should be instructed and approved by a qualified
person authorized by the owner. Engine starting and shut-down procedures as well as taxi techniques
should be covered.
ENGINE STARTING PROCEDURES:
Before Starting Engine:
(a) Seat - Position and lock
(b) Seat belt and shoulder harness
– Fasten
NOTE
For safety it is recommended that the seat belt and
shoulder harness be fastened even for taxi and run-
up operations
(c) Parking brake* - As needed *Refer to parking brake operating instructions below before using!
(d) All electrical switches and avionics - Off
(e) Fuel selectors - Both on
(f) Fuel quantity indicators
– Check
Normal Engine Start - Carburetor Equipped:
(a) Battery master switch - On
(b) Light switches - As needed
(c) Ignition switch - "Bat Ign" position ("Off" if dual magnetos are installed)
(d) Mixture control - Full rich (forward position)
(e) Carburetor heat control - Off (forward position)
(f) Propeller control (if Hamilton Standard Propeller installed) - High pitch
(Low RPM) full aft
(g) Throttle lever - Cracked (1/4 inch) open
(h) Engine primer pump - As needed (10 to 12 strokes for cold engine,
(2 or 3 for hot engine)
(i) Starter - Engage
CAUTION
Do not pump the throttle to start. Fuel can collect in the
air inlet and cause a fire hazard. If the engine does not
start immediately, disengage the starter, wait 2 to 3
minutes and repeat the start procedure.
(j) Ignition switch - Both position after engine starts (Both after 2
– 3
revolutions if dual mags are Installed)
(k) Primer pump - As needed to keep engine running (cold weather)
(l) Primer pump - Lock closed when no longer needed
(m) Oil pressure - Check (30 PSI min within 15 sec) If no oil pressure within 30 sec shut down and check
for cause.
(n) Propeller control lever (if Hamilton Standard prop installed) - After 30 sec.
Move to full forward position