Piper Lance II User Manual

LANCE
II SERVICE
MANUAL
4.
Ascertain
the
seal
ring
is properly
positioned
and
connect
the
motor
to
a 14-volt
power
supply,
with
an ammeter
in
the
circuit.
Install
and
tighten
the
screw
(18)
such
that the
current
drawn
does
not
exceed
12
amperes.
c.
Attach
the
pump
base
to the
pump
as
follows:
1.
With
pump
inverted,
lubricate
O-ring
seals
and
install
them
in recesses
provided
in
the
valve
and
gear
case
(15).
2.
Install
attaching
bolts
with
washers
and
torque
to 70
inch-pounds.
3. Safety
attaching
bolts
with
MS20995-C32
wire.
d.
Conduct
motor
operational
check
not
to
exceed
10 seconds
running
time.
6-9.
TEST
AND
ADJUSTMENT
OF
HYDRAULIC
PUMP.
(Refer
to
Figure
6-4.)
a.
Test
Equipment:
1.
Hydraulic
pump
and
mounting
base.
2.
Pressure
gauge
(0-1000
psi).
3.
Pressure
gauge
(0-3000
psi).
4.
Hoses
with
fittings
to
connect
base and
gauges.
5. Power
supply
(14 VDC).
6.
Ammeter
(0 to
100
amps).
7.
Fuse
or
circuit
protector
(100
amps).
b.
Test and
Adjustment:
NOTE
Test
gauges
or
gauges
of
known
accuracy
should
be
used
when
performing
the following
tests.
1.
Connect
the
0
to 1000
psi
gauge
to the
low
pressure
port
of
the
pump
base.
2. Connect
the
0 to
3000
psi gauge
to
the
high
pressure
port
of
the pump
base.
3. Connect
black
lead
of
pump
motor
to
the negative
terminal
of
the DC
power
supply.
4.
Remove
the filler
plug
located
on the
forward
side
of
the pump
and ascertain
that
fluid
is within
1/2 inch
of the
bottom
of
the filler
plug
hole.
Should
fluid
be below
this
level,
add
fluid,
MIL-H-5606A,
through
the
filler
hole.
Reinstall
the
filler
plug
and
tighten.
NOTE
A small
vent
hole
is
located
under
the
vent
screw
head.
Retain
1/64
inch
clearance
between
the
screw
head
and
the
small
vent hole.
5.
Bleed
air from
the
attached
lines.
(Lines
may
be bled
by alternately
connecting
blue lead
and
green
lead to
the positive
terminal
of the
power
supply
until all
air is
exhausted.)
6.
Connect
blue
lead
to positive
terminal
of power
supply.
Pump
should
operate
and
the
high
pressure
gauge
should
indicate
a specific
pressure,
as given
in
Table
VI-I.
7. Disconnect
blue
lead. The
high
pressure
reading
should
not
drop
more than
300
psi
in five
minutes.
High
pressure
may
not
be selected
again
for five
minutes.
Revised
6/15/79
HYDRAULIC
SYSTEM
1H21

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