Piper PA-24 Comanche Service Manual page 396

PIPER COMANCHE SERVICE MANUAL
TABLE VlIA-In •.TROUBUSHOOnNG CHART
(ENGINE) (FUEL INJECTOR)
(coDti
Trouble C. .
Remedy
L\Jw oil pressure. Insufficient oil.
Fill tank with oil of recom-
mended v1scosity.
Leak
in
suction tiDe or
Check ,uket between iCC-':S'
pressure line.
sory housing and crank-
case.
Dirty oil strainers.
Remove and clean oil
strainers.
Air lock or dirt in relief
Remove and clean oil pressure
valve.
relief valve.
HiJb oil temperature.
See ··High Oil Temperature"
in "Trouble" I:olumn.
Relief valve OUt of
Check valve.
adjllSanent.
Defective pressure .lfe.
Replace ,age.
StOppage in scavenge
Check line ror obStrUction.
pump intU.e passage. Clean suction strainer.
Failing or
failed bcarinp.
Check sump for metal
particles.
High oil temperature.
Insufficient
OU
I:oolm,. Check air inlet and outlet for
deformation or obstnlction.
Insufficient oil supply.
Fill extema! tank to proper
level with specified oil.
L.ow grade of oil
Replace with oil coniormin!
to specification.
Cloged oil lines or
Remove and
dun
oil
stninm.
strainers.
Excessive blow-by.
L'suaJIy caused by worn or
stickiftl nngs.
Failing or failed
beuinp.
Exarrune sump for meta!
panicles. If found. over-
haul of engine is indicated.
Defective temperature Replace gage.
gage.
POWER PLANT
ISSUED: 8/18n2
2
E16
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