PIPER
COMANCHE
SERVICE
MANUAL
TABLE
X1-xm.
OIL
TEMPERATt1IU! INDICATORS
Trouble eau.
Remedy
IlIImIment fails
to
show
Broken
or
daInqed capillary . Check engine
unit
&rid
any
radin
•.
Virina
open.
-irinB
to
instrUment.
Excessive scale error. Improper caJibratioD
aclj
....
•
Rcpair
or
replare.
man:.
Pointer
£ails
to
move
as
Broken
or
damaged c:apilb:y
Check engine unit
and
CftJine
is
warmed up.
or
open
wiring. wiring.
Dull
or
discolored
Ale·
Rcplare
insaument.
luminou.s
matkins.
11-70.
Ammeter.
11-11.
Ccncnt.
The
ammeter
is
mounted
in
me
inlD"Umenr
clutta'
located
on
the
instrument panel. This
insmlment measures the amount
of
current received and the amount
of
C:UrTent
dnin
on the battery.
11·72. Removal
And
ReplaccmenL Refer
to
Puagnph
11·20
of
this section.
11·73.
Troubleshootinl.
Refer
to
Section IX. Electrical Section.
11·74
Fud
Quonti<y IndicatOr. (P
....
-24o!80. Serial Nos.
2401
and up. and P
....
-240250, Serial Nos. 24-1
'0
2402843
ind.l
11·".
GcncnJ. Two fuel quannty
,aules
are used on the Comanche and arc mounted
in
the cluster on the
instrument
panel. These instrUmena
are
calibrated
in
fr&etional divisions
of
one fourth. one half. three
fourths and full. A a-ansmitteT
unit
is
installed in each fuel cell. This
unit
contains a rnistance scrip and
a-
movable contrOl arm. The position of this arm
is
controlled by a float
in
the fuel
cell
and this position lS
transmitted
electricaJl~'
to
the indicator gauge to show
the
amount
of
fuel
in
the
ceU.
If the au:<iliarv fuel
system
is
installed.
twO
au~iliary
fuet
quantity
puges
will
be
Installed
in
the instrUment cluster.
11·76. Remoyal And
Rcplac:cmCDL
Refer
to
Paragraph
11·20
of
this section.
11· 77 Troubleshooting.
3817
INSTRUMENTS
ISSUED:
8/18172
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