Piper Lance II User Manual

LANCE
II SERVICE
MANUAL
TABLE
X-I
VACUUM
SYSTEM(cont)
Cause
Trouble
Remedy
High
system
pressure.
Vacuum
regulator
in-
correctly
adjusted.
Adjust
regulator.
Vacuum
regulator
sticking
or
dirty
filter.
Replace
regulator
filter,
Clean
and
check
operation
of
regulator.
Regulator
cannot
be
adjusted
to
produce
correct
pressure.
Lines
leaking.
Check
lines
and
fittings.
Vacuum
pump
mal-
functioning.
Replace
pump.
Vacuum
correct
on
ground
but
will
not
maintain
pressure
at
altitude.
Vacuum
pump
mal-
functioning.
Replace
pump.
Regulator
sticky.
Clean
regulator.
Vacuum
correct
but
pilot
reports
pressure
erratic
or
shows
complete
loss
in
flight.
Regulator
sticky.
Clean
regulator.
Oil
in
pump
due
to
leaky
engine
seal
or cleaning
fluid
blown
into
pump
while
cleaning
engine.
Replace
pump.
Pressure
can
only
be
maintained
at
full
throttle
on
ground.
Leak
in
system.
Repair
or replace
lines.
Worn
pump.
Stuck
regulator.
Replace
pump.
Clean
or
replace
regulator.
INSTRUMENTS
Issued:
1/3/78
2E8

Piper Lance II Specifications

General

Manufacturer	Piper Aircraft
Max Takeoff Weight	3, 600 lb (1, 633 kg)
Crew	1
Horsepower	300 hp
Seats	6
Length	27 ft 7 in (8.41 m)
Capacity	5 passengers