2E6
TABLE VIIIA-II. ENGINE TROUBLESHOOTING (cont.)
Figure of engine to Faulty ignition. Tighten all connections.
develop full power. Check system with
(cont.) tester. Check ignition
timing.
Rough engine. Cracked engine mount. Replace or repair
mount.
Defective mounting Install new mounting
bushings. bushings.
Uneven compression. Check compression.
Low oil pressure. Insufficient oil. Fill sump with recom-
mended oil.
Air lock or dirt in re- Remove and clean oil
lief valve. pressure relief valve.
Leak in suction line or Check gasket between
pressure line. accessory housing and
crankcase.
Dirty oil strainers. Remove and clean oil
strainers.
Defective pressure Replace gauge.
gauge.
Stoppage in oil pump Check line for obstruc-
intake passage. tion. Clean suction
strainer.
High oil temperature. See “High Oil Temper-
ature” in “Trouble”
column.
High oil temperature. Insufficient air cooling. Check air inlet and out-
let for deformation or
obstruction.
Trouble Cause Remedy
Revised: 8/31/77
CHEROKEE ARROW III SERVICE MANUAL
POWER PLANT - LYCOMING