Piper COMANCHE PA-24-180 Service Manual page 210

PIPER COMANCHE SERVICE MANUAL
f.
Assemble the components of the piston tube (8) on the tube by placing, in order, the snap ring(29f)
washer (28). lower bearing (24) with outer and inner "O" rings (26 and 25) and upper bearing (22) Align thW
lock pin hole of the upper bearing with the pin holes in the tube and install pins (23).
g.
Lubricate the wall of the cylinder oleo housing (7) and piston tube (8). and carefully insert the tube
assembly into the housing. guiding the orifice tube (19) into the piston tube until the snap ring (29) can be
installed in the annular slot at the lower end of the housing.
h.
At the top of the housing. tighten the orifice tube locknut (12). (Should it be an impossibility to
tighten the locknut due to the orifice tube rotating with the nut. withdraw the piston tube assembly from the
cylinder and. while tightening the nut. secure the orifice tube with the use of a 1-1 2 x 3 16 inch drag link
socket held in the slot at its lower end Check that the orifice tube is centered in the cylinder and then reinstall
the piston tube assembly.
i.
Install the wiper strip (27). slide the washer (28) into position and secure the assembly with snap
ring (29).
j.
Ascertain that the bushings are installed in the upper and lower torque links (5 and 2) and then
install links.
NOTE
Ascertain that the torque links are properly installed to insure
complete travel of the piston tube and fork assembly within the oleo
housing.
The torque link bolt assemblies (6 and 10) should be lubricated and installed with the flat of the bolt head hex
adjacent to the milled stop of the wide end of the link. (Use the same thickness of spacer washer (3) between
the two links as those removed to maintain correct wheel alignment.) Tighten the bolts only tight enough to
allow no side play in the links, yet be free enough to rotate.
k.
Lubricate the gear assembly. (Refer to Lubrication Chart. Section II.)
1.
Compress and extend the strut several times to ascertain that the strut will operate freely and torque
links do not restrict travel in the compressed position. The weight of the gear wheel and forks should allow the
strut to extend.
m
Service the oleo strut with fluid and air. (Refer to Oleo Struts. Section II )
n
Check the main gear alignment (refer to Paragraph 6-35) and gear operation.
o.
Remove the airplane from jacks.
REVISED: 4/10/81
1118
LANDING GEAR AND BRAKE SYSTEM
1I18