Piper Comanche PA-24 User Manual

PIPER COMANCHE SERVICE MANt:AL
TABLE XI-IX. TACHOMETER
Trouble
Cause
Remed~
'0 reading on indicator. Broken shaft
Replace Instrument
eitht:f
perma nent or
intermittent
Springs weak
Replac" inst rumerll
Pointer osciliates
Rough spot on. or sharp bend Repair or replace
exce\si\ ely in shaft
Excess friction in instru- Replace instrument
ment
II-53 Engine Oil Pressure Gauge,
II-54 General. The oil pressure gauge is mounted In the cluster on the Instrument panel Th,s gauge \\,"
indicate the amount of oil pressure a\ailable at the pressurized engine oil passage
II-55 Removal And Replacement. Refer to Paragraph 11-20 of this ,ection
II-50 Troubleshooting,
TABLE XI-X. E\G"E OIL PRESSL:RE GAL:GE
Trouble
Cause
Remed\
Excc~si\e error at lero
Pointer loose on shaft Replace tnstrument
0\ erpressure or sea-
soning of bourdon tube
E xcess\\ e ... cale error
Improper calibration adjust- Replace instrument
ment.
E \cessi\e pointer
Improper damping or rough
Disconnect line and drain
theillation
Engine relief \al\e
Check for leaks If
trouble persists. clean
and adjust relief \a)\e
Sluggish operation or
Engine relief \'al\e open Check and clean
pointer or pre,sure
fails to build up
ISSl'ED: 8/18 72
/
3G13
I~STR~

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)