Piper Comanche PA-24 User Manual

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Trouble
Fuel puge foils '0
Indicaet!'.
Fuel gauge indicates fuU
when tanks arc nor: full.
Fuel puge fails to
change indication when
selector handle IS
moved
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Fuel gau~c mdicates oyer
full.
Fuel gauge indicates leta
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I Fuel gauge indic:ates rue!
I when cell is empty
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INSTRUMENTS
ISSUED: 8/18n2
PIPER COMANCHE SERVICE MANUAL
TABLE XI-XIV, FUEL QUANTITY INDICATORS
Cause
Broken wiring.
G.luge noc operating.
Flou partially or completely
filled with fuel.
Circuit brea.ker au t.
Dcfe~ive selectOr switch.
Incomplete ground.
Selector switch slipping on
fuol valve ,hof',
Ddective override switch
Incomplete ground.
Fuel selector in "OFF"
pOSItion.
Shorted connection at selector
switch
or other wiring
Fuel ceil IS .:oUas~:Jlng due
to a suction created b~
a loose filler neck cap
When tank is collapsed
fuel sender urn. IS held
in full position
3 G18
Remedy
Check and rep1.1f.
Replace,
Replote floor,
Reset and check.
Clean a.nd check selector
switch.
Check grou.nd connections ~t
fuel tnnSI'Tllttcr In
wings.
Replace selector switch
Determine which switch is
malfunctioning. r~liilce
switch.
Check
ground connections a.t
-
fuel .ranstnltter In tucl
cells
Normal.
C~eck switch and wiring
Refer to SeCtion IX. Elec:·
tric:al Svstem Diagrams
Check fuel c:ell ... nd deter-
mine if It IS coila!,sed
If so. repair as neceSS.1r\.
adjust filler ca? to main-
tain tight sui or re!,lace
':J.!'
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Piper Comanche PA-24 Specifications

General

Manufacturer	Piper Aircraft
Model	Comanche PA-24
Type	Light aircraft
First Flight	May 24, 1956
Number Built	4, 857
Seating Capacity	4
Engine	Lycoming O-360
Wingspan	36 ft (11 m)
Length	24 ft 8 in (7.5 m)
Stall Speed	62 mph (100 km/h, 54 kn)
Height	7 ft 6 in (2.3 m)