Engine (Turbocharged) Troubleshooting - Piper PA-24 Comanche Service Manual

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PIPER COMANCHE SERVICE MANUAL
TABLE VIIe·lI. TROUBLESHOOTING QlMT
(INGINE·TUUOCHARGED)
Trouble CauJc
Remedy
Failure of enple to
Lack of fuel.
Check fuel system for
Start. laks.
Fill fuel tanks.
Cleu dirty lines,
Klftftl.
or fuel valves.
W
uer
in fuel injector.
Dtaift water from f\lel
system.
Insuffic:ient prime.
IIlCRUC prime.
Ovcrprirrliq.
Open throttle and engage
saner.
Lack of suffic:icDt Clean fuel nraincn
fueJ flow.
and screens. Check
fuel pwnp.
Incorrect throttle
Opcn throttle to one-
setting.
tenth of its mngc.
Defective spuk plup.
Claa and adjUSt or
replace spark plu,
or plup. Refer to
,
Table 11-1 for spuk
I
plu, liP adjustments.
Defective iplition wire. Check with electric
ccster and
rep lace
any
defective wifts.
Improper operation of
Check internal
timinl
mqneto to breaker ofmapctos.
I
points.
Clean and set points.
Intema.1 failure. Check oil sump screen
for mcta1 particles.
If found, complete
overhaul of the enrine
may be indicated.
Fraun
spark
plq RcpJacc
spark
plup or
electrOdes. dry OUt removed plugs.
Shorted ipirion switch. Check. arad replace or
repair.
POWER PLANT
ISSUED: 8/18/72
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