Lycomin 0-360 - Page 145

TEXTRON
LYCOMING OPERATOR'S
MANUAL
SECTION 6
0-360 and ASSOCIATED MODELS
TROUBLE
Critical Altitude
Lower
Than
Specified
(Cont.)
PROBABLE
CAUSE
Metering
jet
in
actuator
plugged
REMEDY
Remove
actuator
and
clean
jet.
Engine Surges or
Smokes
Actuator piston
seal failed and
leaking exces-
sively
Exhaust bypass valve
sticking
Air in oil lines
or
actuator
Controller meter-
ing valve stem
seal leaking oil
into manifold
Clogged breather
If there
is oil leakage
at actuator
drain, clean
cylinder
and
replace
piston seal.
Clean and free action.
Bleed
system.
Replace controller.
Check breather for re-
strictions to air flow.
NOTE
Smoke
would be
normal
if engine
has idled
for a prolonged
period.
High
Deck
Pres-
sure (Compressor
Discharge
Pres-
sure)
Controller meter.
ing valve not
opening, aneroid
bellows
leaking
Exhaust bypass
sticking closed
Replace
controller
as-
sembly or replace
aneroid bellows.
Shut
off valve
in return
line not working.
Butterfly
shaft binding.
Check
bearings.
Replace bypass valve
or correct linkage
binding.