Piper Cherokee Six - Page 395

Dirty
oil screens.
Defective
pressure
gauge.
Air
lock
or dirt
in
relief
valve.
Leak
in
suction
line
or
pressure
line.
High
oil
temperature.
Stoppage
in
oil
pump
intake
passage.
Worn
or
scored
bearings.
2F23
PIPER
CHEROKEE
SIX
SERVICE
MANUAL
TABLE
VII-II.
ENGINE
TROUBLESHOOTING
(cont.)
Trouble
Cause
Remedy
Rough
running
engine
(cont.)
Defective
mounting
bushings.
Install
new
mounting
bushings.
Lead
deposit
on
spark
plug.
Malfunctioning
engine.
Clean
or
replace
plugs.
Check
entire
engine.
Low
oil pressure.
Insufficient
oil.
Check oil supply.
Remove
and
clean
oil
screens.
Replace
gauge.
Remove
and
clean
oil
pressure
relief
valve.
Check
gasket
between
accessory
housing
and
crankcase.
See "High
Oil
Temper-
ature"
in
Trouble
Column.
Check
line for
obstruc-
tion.
Clean
suction
strainer.
Overhaul.
Revised:
11/4/83
POWER
PLANT