Piper COMANCHE PA-24-180 Service Manual page 482

PIPER COMANCHE SERVICE MANUAL
TABLE VIIC1. TROUBLESHOOTING CHART (cont.)
(ENGINE-TURBOCHARGED)
Trouble
CauM
Remedy
Rough running engine.
Crcked engine mouns.
Unbalanced propeller.
Bent propeller blades.
Defective mounting.
Lead deposit on spark
plug.
Malfunctioning engine.
Repair or replace
engine mount.
Remove propeller and
balance.
Replace propeller.
nstall new shock
mounts.
Clean or replace plugs.
Check entire engine.
Low oil pressure.
Insufficient oil.
Dirr oil screen or
filter.
Relief valve out of
adlusamenr.
Defectve pressure
gauge.
Air lock or din in
relief valve.
Leak in suction line
or pressure lne.
High oil temperature.
Stoppage in oil pump
intake passage.
Fill oil sump to proper
level.
Remove and clean oil
screen. Replace
filter.
Adjust valve.
Replace gauge.
Remove and clean oil
pressure relief valve.
Check gasket between
accessory housing and
crankcase.
See "High Oil Temper-
arure" in Trouble
Column.
Check line for obstruc-
tion. Clean suction
screen.
Overhaul.
0
Worn or scored
beanngs.
POWER PLANT
ISSUED: 8/18/72
214