Piper CHEROKEE ARCHER II Pilot Operating Handbook page 59

PIPER
AIRCRAFT CORPORATION
PA.28.I8I,
CHEROKEE ARCHER
II
SECTION
4
NORMAL PROCEDURES
4.I5
WARM.UP
warm-up the engine
at g00
to
1200 RPM
for not more than
two
minutes
in
warm weather and four
minutes
in cold. Avoif, prolonged idling at
low
RPM,
as
this practice may result in fouled spark plugs'
Takeoff may be made as
soon as
the ground check is completed, provided that the
tfuottle
may
be
op.n.d fruy
without backfiring or skipping,
and
without
a
reduction in engine
oil
pressure.
Do
not
operate
the engine
at high
RPM when running
up or taxiing over ground containing
loose
stones, gravel
oi
any loose
material that may
cause damage
to
the propeller
blades.
4,17
TNUING
Before attempting
to
ta:ri the
airplane, gtround personnel should be instructed and approved
by
a
qualified penion authoized by the owner. e,scertain that the propeller back blast and taxi
areas
are clear.
power strould be applied slowly to
start the taxi roll. Taxi
a
few feet forward and apply the
brakes
to
determine
their effectivi".rs.
While taxiing, make slight hrrns to ascertain the effectiveness of the
steering.
observe wing
clearances
when taxiing near buildings or other stationary objects.
If
possible,
station
an
obeerver
outside the airPlane.
Avoid holes and ruts when taxiing over uneven ground'
Do not
operate
the engine
at high
RPM when running
up or
!ryg
orer ground containing loose
3tones, gravel
oi
any loose
miterial that may
cause
damage
to
the propeller
blades.
4.19
GROI,JND
CHECK
The
magnetos
slould
be checked
at 2000
RPM. Drop
off
on either magneto stroutd
not
exceed
175
RpM and
Uri
difference botween the
magnetos
strould
not
exceed
50
RPM. Operation on one magneto
strould
not
exceed
l0
seconds.
Ctreck the vacuum
glugp; the indicator stroutd read 5.0"
t
.1"
Hg
at 2000 RPM'
Ctrec,k
the annunciator panel lights
with
the press,to-test button. Also check the air conditioner.
Carburetor heat strould also be checked
prior to takeoff to be sure the control
is
operating properly
and
to
clear any
ice which may have
fornpd during
taxiing. Avoid prolonged ground operation with
carburetor heat
"ON'
as
the air
is
unfiltered.
The electric fuel pwnp stroutd be tumed
"OFF"
after starting or during wann{rp
to ma!9-zure that
thc engine drivpn
p"rip
ir-"p.rating. Prior
to
takeoff the electric
pump _should be turned ON again
to
p*".ni
loss
of pori.i
[*ing
tarcorlshould the engine
drivrn pump fail. chock both oil temperature and
oil
presure.
lrr
t.mpe*ttr
may ue low
for
somJtime
if
the engure is being
run for the first time of the
Ary.
fU,
engine
is
|i;
enougtr
for
talceoff wtren the
throttle
can be opened
without the
engine
faltering.
REIORT: YF79O
+ll
IS$JED: ILJNE
l&
1976