Piper Lance II User Manual

LANCE
II SERVICE
MANUAL
6-23.
DISASSEMBLY
OF
MAIN
GEAR
ACTUATING
CYLINDER.
(Refer
to
Figure
6-9.)
a.
With
the cylinder
removed
from
the
airplane,
push
the piston
rod
(6)
(by hand)
toward
the
clevis
(9) to
remove
oil from
the
unit.
b.
Put clevis
(9)
only
in
a soft
jaw vise
and
clamp
against
the
clevis
bearing
(10).
c.
If no
pipe fitting
is installed
in
the
port of
the
end gland
(1),
install
a fitting
(1/8 -
27) into
the port.
This
fitting
need
not be
tight
as it will
be used
for
leverage
only.
d. Rotate
the
gland
counterclockwise
(with
use
of fitting)
until
the end
of the
gland
lock ring
(4)
shows in
the slot
in the
cylinder
body
(7).
Reverse
rotation
of the
gland
(clockwise
direction)
to allow
the lock
ring
to move
out of
the slot.
(Refer
to Figure
6-8.)
(It may
be necessary
to
give the
ring
an assist
to start
out of
the slot.
If so,
insert
a strong
wire
pick
or other
available
tool
in the
slot to
lift up
the end
of the
ring and
then rotate
gland.)
e. Pull
the piston
(6)
and end
gland
from the
cylinder.
f. Remove
O-rings
as desired.
6-24.
CLEANING,
INSPECTION
AND
REPAIR
OF
MAIN
GEAR
ACTUATING
CYLINDER.
a. Clean
the
cylinder
parts
with
a suitable
dry
type
solvent
and dry
thoroughly..
b.
Inspect
the cylinder
assembly
for the
following:
1.
Interior
walls
of cylinder
and
exterior
surfaces
of piston
for
scratches,
burrs,
corrosion,
etc.
2.
Threaded
areas
for
damage.
3.
End
fitting
retainer
slot
for
excess
wear.
4.
Rod end
fitting
and swivel
fitting
of cylinder
for wear
and corrosion.
c.
Repairs
to the
cylinder
are
limited
to polishing
out
small
scratches,
burrs,
etc.,
and
replacing
components.
(Refer
to
Parts
Catalog
for
replacement
part numbers.)
6-25.
ASSEMBLY
OF
MAIN
GEAR
ACTUATING
CYLINDER.
(Refer
to Figure
6-9.)
a.
Install
O-ring
(5)
on the
exterior
of
the
end gland
(1).
b. Install
O-ring
(3)
and back-up
ring
(2) in
the interior
of
the end
gland.
c. Install
O-ring
(8) on
the body
of the
piston
assembly.
d.
Lubricate
the areas
around
the
O-rings
with
hydraulic
fluid,
park-o-lube
or vaseline;
slide
the end
gland
on the
piston
rod
and the
piston
into the
cylinder
housing
(7).
e. Insert
the
hook end
of a
new lock
ring
(4) (P/N
755 997)
in
the slot
in the
cylinder
body (7)
and slot
in the
end
gland (1).
Rotate
gland
counterclockwise
to completely
wrap
lock
ring
into
assembly.
f.
Align
port
in end
gland
and cylinder
body.
g. Check
smoothness
of
operation
of piston
and static
pressure
test
unit to check
for
possible
cut
O-rings.
Issued:
1/3/78
HYDRAULIC
SYSTEM
1I11

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