Piper Comanche PA-24 Service Manual page 370

PIPER COMANCHE SERVICE MANUAL
2. Install iDsuJ&tor actUator and micro switch OD quacir1Dt plate and ",cuno with screws. . -
Ioci<wuhers and nutS. _
3. AdjUJt switch per puqraph 6-63.
4. Install cover OD quam .. " and "'cure with screws.
6-63. AdjUltlllCl" Of L ....
Ij ...
Gear Warniq Switch.
L
AdjUJt the lulding
par
wamiDJ micro switch located on the throttl. shaft forward of the
iDstrument Pille! by
usiDJ
the foUowin8 procedure.
b.
Wh.n properly adjun.d the lanciing
gear
waminJ hom should oporat. wh.n tho powet is reduced
below 10 to 12 iDch.. of llllllifoid pressure with the oirplul. iD aormal descent and the lanciing sear
reaacteci.
I. Start and
~
up the
qiDe
with the propdler set for hish RPM. Retard the throttle until
approximately 4 iDch .. of 1DIIIif01d pressure on the PA·14-180. PA·14-2'0 and PA·24-260 and , iDches of
llllllifoid pressure OD the PA·24-400 is
indicated abo ... the
cIesireci
iDflisht pressure.
2.
.~
the throttle shaft iD some manner so
thu
it
CUI
b. retUrned to the proper mmifolci
pressure setting iDclicated during the run ... p after the .".me hu beeD shut down.
3. PW:. the oirplule on jacks and retract the sear. Retard the throttle
to
the location which
pve
the dcsired manifold pressure iDclicuion.
4. Adjust switch OD oirplancs with Seri&l Nos. 24-1
to
24-4782 inel •• 24-4784 to 24-4803 iDel.
and PA·24-400 by the foUowi", procedure.
(a) With the baztery muter switch on.
looseD
the mounan, screws
or .... screws OD th. micro
switch mountiDc bracket and move the braclr.ct fore and aft uDtil the
wamiDe
hom
starts to
operate.
Tight.n the mouDtiDc screws to secu .. the switch auembly. The switch may
also
be adjUJted up or down to
allow proper clearance of the micro switch button on the throttle shaft.
,.
AdjUst switch on oirplanes with Serial Nos. 24-4783. 24-4804 and up. by the foUowiDs
procedure:
(a) Remove the left aim covet from the throttl. quadrant
by removing arachiDg
screws.
(b) With the battcty master switch OD. loooen the micro swi,ch mounti",
Set""
and move
switch toward actUator roller. on the throtde lever. until w&mini hom
starts
to operate. Ti&hten mounting
screws securiDg switch to quadrant plate and
iDstail
cover.
6. Opera,. the throttle
to
ascmaiD tha, the hom operates at tht muk. and with wamiDg hom
op.nting. lowet the
leu to iDsuno thar the hom c .....
'0
operate when tbe
geu
is down and locked.
7.
Remove the oirplul. from the jacks and
fl.,
test to iDsure operation of the w&mini bom
when the
,eu
is up and POWet
is
reduced below the desired manifold pressure. If the hom fails to operate
at
the required scttiDg. marlr. the throttl. shaft
at
the desired llllllifold pressure and
reset
micro warning
swi'ch.
LANDING GEAR AND BRAKE SYSTEM
ISSUED: 8118172
lK4