Piper Comanche PA-24 Service Manual page 518

Trouble
LllW
oil pressure.
High oil .emperature.
POWER PLANT
ISSUE 0: 8118n2
PIPER COMANCHE SERVICE MANUAL
TABLE VlIA·In. TROUBLESHoonNG OIAllT
(ENGINE) (FUEL INJECTOR)
(CODt)
Caaue Remedy
InsuffiClent oil.
Fill rank with oil of recom·
mended viscosity
-
Leak in suction liae or Chc:elt
.ask ..
between
occ~s·
pressure liae.
sory
~ousin.
and crank·
case.
Dirty oil strainers. Remove and clean oil
strainers.
Air Ioclr. or dirt in relief Remove and clean oil pressure
valve.
relief nlve.
High oil temperaNre. S .. "High Oil Tempenrure··
in '"Trouble" column.
Rclief nl
O
"
OUt of Cheelt nlve.
adjustment.
Defective pressure • .,c. RepIKe • .,c.
S.oPP ... in seaven ..
Check liae for obstructlon.
pump intakc P .......
Clean suction saainCT.
F ailias or failed bearinp. Cbeelt sump for metal
particles.
I nsufficient
au
coolias. Cheelt air inlet and outlet for
cldormaaon or obstrUction.
Insufficient oil supply Fill external tank
.0
proper
level with specified oil.
Low grade of oil Rq:tlace with oil coniormin!
to specification.
Closged oil lines or Remove and
dC3J1
oil
stramm.
strainen.
E ;(cessive blow-by l:su.alIy caused by worn or
stick ing nnp.
F ailing or failed bearinp. Exanune sump for metal
particles. If found. over·
ha.ul of engine is indicated.
DefectIve temperature Replace gage.
g ....
2
E16