Assembly And Installation Of Nose Wheel 2 - Piper Navajo PA-31 Service Manual

1086
NOTE
6. CUP, BEARING
10
7 CONE, BEARING
4
1. WHEEL HALF
for Nose Wheel Assembly 2. WHEEL HALF
3. BOLT
4. WASHER
1
5. NUT
NOTE 6. CUP, BEARING
10
7 CONE. BEARING
Refer to Parts Catalog
8. RETAINER, GREASE SEAL
for Nose Wheel Assembly
9. GREASE SEAL
and Serial Number Effectivity
10. SNAP RING
Figure 7-13. Nose Wheel Assembly
7-43. ASSEMBLY AND INSTALLATION OF NOSE WHEEL. (Refer to Figure 7-13.)
a. Ascertain that the bearing cup (6) in each wheel half is properly installed. Lubricate the bearing
cones (7) per lubrication chart in Section II. Reassemble the cones, grease seal retainers (8), grease seal felts
(9) and snap rings (10) into the proper wheel halves.
b.
Inflate the tube sufficiently to round it out. Install tube into tire so that balance mark (yellow or
white band) is radially aligned with the tire balance mark (red dot).
c.
Place outer wheel half into tire and pull tube valve stem through valve hole. Turn tire and outer
wheel half over and place inner wheel half into the tire and align the bolt holes with the outer wheel half.
Install bolts through the inner wheel half and washers and nuts on the outer wheel half. Torque wheel nuts
per recommended torque value on name plate of wheel.
d. Inflate tire to recommended operating pressure per Table II-I.
e. Flex the fork enough to allow for the installation of the wheel and spacer tubes. Insert the axle
tube, fork caps and tie bolt. Adjust the tie bolt nut to allow the wheel to turn free, yet not fit loose on the
axle.
7-44. REMOVAL AND DISASSEMBLY OF MAIN WHEEL. (Refer to Figure 7-14.)
a. Place the airplane on jacks. (Refer to Jacking, Section II.)
b. To remove the main wheels, remove the bolts that join brake cylinder and lining back plate
assemblies.
c. Remove the brake assembly.
d. Remove the snap ring (13) that secures the axle hub cap (14). Remove the cotter pin and axle
nut. Slide the wheel off the axle.
e.
The wheel may be disassembled by removing the valve core and completely deflating the tire.
Break tire bead from wheel by using a mallet. Remove the wheel through bolts (10). Separate the wheel
halves from the tire by removing the wheel half opposite the valve stem first and then the other half.
Revised: 3/11/81
LANDING GEAR AND BRAKE SYSTEM
PIPER NAVAJO SERVICE MANUAL
2F23