PIPER
COMANCHE
SERVICE
MANUAL
m.
To
remove the piston tube pi
...
(37) with
"0"
rinI (36) located in the lower
encl
of
the piston
tube,
remoVe
the bolt assembly
(I
S)
..
I<I
insert a rod up
throup
the hole
in
the body
of
the fork (17).
Push
the plug
out
throuch the
top
of
the tube.
6-10.
Cla""",
latpectioD AIId Repair
Of
No.
GcR
Oleo.
a. Clean all
pam
with a suitable dry type clcaniDI sOlvent.
b. Inspect the
laadinc
aar
oleo
usembly
componeat for the foUowinc'
1. 8earinp and
bushinp
for excess
wear.
corrosion, scratches and
overaJl
,junace.
Z.
Rc:taininC pins for w
...
and cIamqe.
3.
Lock
rinp
for cracks,
bum,
etc.
4. Cylinder
and orifice tube for corrosion, scratcbes, nicka ancIexcess wear.
S.
Upper and lower cylinder bushings lootC
or
tunlinC in cylinder.
6.
Orifice plate for bole restriction.
7.
Fork
tube
for corrosion, scratches, nicks, elents and misalicnmcnt.
8. Air val""
ceneral
condition.
c.
Repair
of
the
oleo
is
limited
to
smoothinC
out
minor
scmches,
nicka and elents and replacement
of
p
.....
d. Individual replac.ment
of
the
wiper strip may be accomplished per instructions gi""n in paragraph
640.
6-11. AJambly
Of
N_
GcR
Oleo, (PA·24-180 and PA·24-Z50, Serial
NOI.
24-Z15 and up; PA·24-260
and PA·Z4-400.)
(Rder
to
Figure
6-Z.)
a. AscertaiD
that
pans
an
cleaned and inspec:tod.
b.
To
install the pISton tube plug (37),
fIrSt
lubricate tbe
Nbe
plug and
"0"
rinI (36) with hydraulic
fluid
(MIL-H·S606),
IUId
install the
"0"
rinI
on
the pi
....
Lubricat. the inaide wall
of
the piston tube
()5),
insert the plug
intO
the
tOP
of
the tube and push it
to
me fork end. Align the bolt boles
of
the fork (17),
tube and plug, and install bolt (CT) (15) with washers (51) and
nut
(30).
(If
a new tube (35)
is
to be
install.d tbat
...
not been
cIrilIed,
press the tube
intO
the fork pISton housing (17) uno! it bottoms.
L:sing
the bolt boles
in
the fork body
..
a guide, drill a pilot bole and ream to O.ZSO/O.ZH througb
.ach
side
of
the tube wall. Remove
bum
from the inside
of
the
Nbe
and flush the
tUbc
WIth
a suitabl. solvent to
remove
all metal particles.)
c.
If
desired, cement a cork in
the
hole
in
m.
bottom
of
me fork body to prevent dirt from
.ntering
between the fork and tube.
d.
To
....
mbl.
m.
components
of
me orific. tube (34), inaert
the
onfice
plat.
(010)
intO
the
bottom
of
the tube, and secun: with the snap ring (41). Lubricat. and install me
"0"
ring (38) on me upper end
of
the
tub
•.
Install ring (39) (PA·Z4-400 only) on the lower
.nd
of
the tube.
e.
Insert the orifice tube (34) up
th",
...
h the
bottom
of
the cylinder (33). With the tube
.xposed
through the
tOP
of
m.
cylind.r, install the lock washer
(Z4)
and insert
roU
ptn
(Zl)
through me lock washer
tntO
the cylinder. Install the Nbe locknut (ZZ) only finger right
..
this time.
f. The fork (17) and
Nbe
US)
assembly may be
....
mbled by installing the
rub.
compon.nts
on
the
rub
•.
In
ord.r
slide
onto
the tube, the snap nng
(~9).
washer (48). lower bearing (44) with
inn.r
and
outer
"0"
rings
(~S
and 46) and upper bearings
(~3).
Align
m.
lock pin holes
in
the upper
b.anog
with the ptn
holes
tn
the piston rube
OS)
and install
ptnS
(4Z).
113
LANDING
GEAR
AND
BRAKE
SYSTEM
ISSUED:
8/18172
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