j. Adjust the rod ends to obtain a no load setting, and connect the bungees to the steering horn.
—NOTE—
Check that the rod ends have sufficient thread engagement, by use of
the check holes in the rods.
Adjustment of Rudder Controls, Section V.
l. Adjust the shimmy dampener by turning the nose wheel against its stops and adjusting the rod end of the
dampener for adequate travel to both directions. (Maintain a minimum of one-quarter inch thread engagement.)
m. Remove the airplane from jacks.
7-14. MAIN LANDING GEAR.
a. Place the airplane on jacks. (Refer to Jacking, Section 11.)
b. Place a drip pan under the main gear to catch spillage.
c. The gear axle and piston tube assembly may be removed by the following procedure:
1. Remove the air from the oleo chamber by depressing the air valve core pin found in the inspection hole
on top of the wing. After the pressure in the oleo chamber has diminished, remove the valve core pin, attach a
small hose, to air valve, and drain the fluid by slowly compressing the piston tube. If it is desirable to extract
more fluid from the chamber, remove the filler plug, insert a siphon hose and drain fluid from the upper area of
the housing.
2. Disconnect the flexible brake line at the elbow on the brake assembly.
3. Disconnect the torque link assembly by removing any one of the three cotter pins, nuts, washers and
bolts. Note arrangement of the components for reinstallation. Carefully slide the piston tube from the cylinder
housing.
removing the retainer ring (17), spacer ring (16) and then the scraper ring.
spoon shaped tool and inserting it under the ring.
d. The cylinder head, may be removed cutting the wire and removing the bolts that secure the cylinder head
(4) in the top of the housing. Remove the assembly from the housing.
7-16. CLEANING, INSPECTION AND REPAIR OF MAIN GEAR OLEO.
a. Clean all parts with a suitable quick drying type cleaning solvent.
b. Inspect the landing gear oleo components for the following:
1. Bearing surfaces of housing for excess wear, corrosion, scratches and overall damage.
2. Retaining ring for cracks, burrs, etc.
3. Cylinder tube for corrosion, scratches, nicks, excessive wear and misalignment.
4. Air valve for operation and general condition.
5. Orifice plate for hole restriction.
c. Repair of the oleo is limited to smoothing out minor scratches, nicks and dents, and replacement of parts.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
LANDING GEAR AND BRAKE SYSTEM
1I3