Piper Comanche PA-24 User Manual

PIPER COMANCHE SERVICE MANUAL
1 I-S7 Fud Pressure Gaul'"
11-58
Gmmll. The fuel pressure gauge instrUment is mounted in the cluster Oft the instrUment panel. ThIS
gauge is connected to the fuel system at the engine dnven fuel pum!J. on the PA·24-1SO. whtle on the
PA-240-2.50. PA·24-260 a.nd PA·Z4-400 it is connected at the carburetor or injector fuel inlet fimng.
11-59 Removal And ReplaeemenL Refer m Pangnph 11·20 of this ""coon.
11-60. TroublnhooOnI.
Trouble
No fuel pressure indi-
cation.
Pressure low or pressu re
surges.
~eedle fluctUation.
INSTRUMENTS
ISSUED: 8/18172
TABLE XI-XI. FUEL PRESSURE GAUGE
CaIUC
Remedy
Fuel valve stUck.. Check valve.
No fuel In tanks. Cheek fuel. fill.
Defective fu.1 pump. Cheek pump for pressure
build up. Cheek diaphragm
and relief valves
in en-
gine pump.
Check for ob-
struction in electric pump.
Check bypass valve. Air
leak in
intake lines.
Defective puge Replace gauge.
ObstTUcnon in inlct side
Trace lines and loc:a.tc
of pump. obsm.u:non.
Faulty bypass valve. Replace.
Faultv diaphragm. Replaee or rebuild pump
Surge dome on pump filled Remove and empty.
wir..' fuel.
3 814

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)