Installation Of Nose Gear Door Assembly; Adjustment Of Nose Gear Doors; Main Landing Gear System; Disassembly Of Main Gear Oleo - Piper Lance II Service Manual

LANCE II SERVICE MANUAL
7-16. INSTALLATION OF NOSE GEAR DOOR ASSEMBLY. (Refer to Figure 7-6.)
a. Install the gear doors by positioning the hinge halves of the door and the door
support assembly, and inserting the hinge pins. It is recommended a new pin be used. Bend
the ends of the pins to secure in place.
b. Assemble the door mechanism to the doors and attach springs.
7-17. ADJUSTMENT OF NOSE GEAR DOORS.
a. Place the airplane on jacks. (Refer to Jacking, Section II.)
b. Adjust the door retraction links to align doors with the lower cowl in the closed
position.
c. The door down adjustment bolts should be positioned to limit the doors travel to 90
degrees from the closed position.
d. Check attaching hardware and jam nuts for safety and tightness.
e. Remove the airplane from jacks.
7-18. MAIN LANDING GEAR SYSTEM.
7-19. DISASSEMBLY OF MAIN GEAR OLEO. (Refer to Figure 7-7.) The main gear oleo
assembly-may be removed and disassembled from the gear oleo housing with the gear
removed from or installed in the airplane.
a. Place airplane on jacks.
b. Place a drip pan under the main gear to catch spillage.
c. Remove air and fluid from the oleo. Depress air valve core pin until strut pressure
has diminished; remove the filler plug and with a thin hose siphon as much hydraulic fluid
from the strut as possible.
d. Disconnect brake line at the joint located in the wheel well.
e. To remove piston tube assembly (25) from oleo housing (11), remove the upper and
lower torque link connecting bolt assembly (3) and separate links. Note number and
thickness of spacer washer(s) between the two links (15 and 16).
f. Compress the piston tube (25); reach up into the tube and release the snap ring (24)
from the annular slot at the bottom of the oleo housing.
g. Pull piston tube (25) with component parts from cylinder housing.
h. The piston tube (25) components may be removed by reaching in the tube and
pushing out the upper bearing retainer pins (17). Slide off the upper bearing (18), lower
bearing (20) with O-rings (19 and 20), wiper (22) and washer (23).
i. To remove orifice tube (12) from the oleo housing, remove locknut (6) and washer
(7) from top of housing. Draw tube with O-ring (9) and retainer (8) from housing.
j. The orifice plate (13) is removed from the bottom of orifice tube (12) by releasing
snap ring (14) holding the plate in position.
k. To remove piston tube plug (26) and O-ring (27) located in the bottom end of the
tube, remove bolt assembly (29) and insert a rod up through the hole in the body of the
fork (28) and push plug with O-ring from top of tube.
Issued: 1/3/78
LANDING GEAR AND BRAKE SYSTEM
1J24