Piper CHEROKEE WARRIOR PA-28-151 1995 Maintenance Manual page 206

PIPER CHEROKEE WARRIOR SERVICE MANUAL
f. Loosen the strut assembly retainer nut (1) that secures the strut assembly in the strut housing. At
the same time, slide the strut assembly out through the bottom of the strut housing. Remove the nut (1) and
washer (2) from the top of the strut housing after the assembly is removed.
The strut assembly may fit tight inside of the housing. It may
be necessary to tap the top of the fork with a plastic mallet.
g. If desired, remove the top and bottom bearing (3 and 5) from the strut housing. The bearings are
compressed slightly into place, and light tapping may be needed to free them.
h. To remove the piston tube (19) and fork assembly (24) from the cylinder (10), proceed as follows:
1. Separate the upper and lower torque links by removing the connecting nut, washer and bolt.
2. Compress the piston tube and fork assembly slightly and remove the retainer ring (17) from
the annular slot in the bottom of the cylinder tube. Then remove piston tube and fork assembly by sliding out
from the bottom of the cylinder tube (10).
i. To remove the bearing assembly from the piston tube, release the snap ring (18) from the top of
the piston tube and slide bearing assembly off the end.
1. If desired, carefully remove the wiper strip (16), back-up washer and quad ring or O-ring (15)
from the inside of the bearing sleeve, and also the O-ring gasket (14) from the outside of the bearing sleeve.
j. To remove the piston tube plug (21) with O-ring (20) located in the lower end of the tube, the fol-
lowing procedure may be used:
1. Remove the nose wheel from the fork as described in paragraph 7-20.
2. Loosen and remove the bolt, washer and nut that extends through the piston tube and block
assembly .
3. Push the plug through the top of the piston tube by use of a rod inserted through the bottom of
the tube.
7-7. CLEANING, INSPECTION AND REPAIR OF NOSE GEAR OLEO
a. Clean all parts with a suitable dry type cleaning solvent.
b. Inspect the landing gear oleo assembly component for the following:
1. Cylinder tube assembly for corrosion, scratches, nicks and excessive wear.
2. Lock rings for cracks, butts, wear.
3. Fork assembly for corrosion, scratches, nicks, and misalignment.
4. Link assembly for elongated holes, cracks, corrosion, scratches, nicks and straightness.
5. General condition of air valve.
c. Repair of the oleo is limited to smoothing out minor scratches, nicks and dents and replacement of
parts.
7-7a. NOSE GEAR OIL ORIFICE RETAINER RING INSTALLATION. (Refer to Figures 7-1 and 7-17.)
a. With the piston tube (19) and fork (24) removed from the cylinder(10), ascertain that all traces
of the old retainer ring (12) and removed from the metering tube (11).
b. A tool can be fabricated to simplify the installation of the new retainer ring. (Refer to Figure
7-15.)
c. With the use of the fabricated tool, position the new retainer ring on the end of the tool with
the locating stud.
d. Insert the tool into the cylinder (10), with the centering stud positioned into the hole in the
base of the metering tube (11).
Revised: February 28, 1995
NOTE
LANDING GEAR AND BRAKE SYSTEM
1I14
Island Enterprises