CESSNA
MODEL 172S
SECTION 4
NORMAL PROCEDURES
LEANING FOR GROUND OPERATIONS
1.
For all ground operations, after starting the engine and whe
the engine is running smoothly:
a.
set the throttle to 1200 RPM.
b.
lean the mixture for maximum RPM.
c.
set
the
throttle
to
ah
RPM
appropriate
for
operatio.ns (800 to 1000 RPM re"commended).
NOTE
If ground
operation, will
be
required
after the
BEFORE
TAKEOFF checklist is completed, lean the mixture again (as
described above) until ready for the TAKEOFF checklist.'
TAXIING
When taxiing, it is. important that speed and use of brakes be
held to a minimum and thai all controls be. utilized (Refer to Figure
4-2, Taxiing Diagram) to maintain directional control and balance.
Taxiing
over
loose gravel
or' cinders
should
be done
at low
engine speed to avoid abrasion and stone damage to the propeller
tips.
Revision 4
4-211
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