PIPER
SENECA
II SERVICE
MANUAL
1. WHEEL HALF
2. WHEEL
HALF
^
3. WASHER
4. WHEEL
THROUGH
BOLT
5. NUT
6. SCREW
7. SEAL
RETAINERS
8.
GREASE
SEAL
9. BEARING CONES
10. BEARING CUPS
Figure 7-12. Nose Wheel Assembly
d. Place the opposite wheel half inside
the tire. Align the wheel bolt holes. install
the wheel bolts
(4), with washers (3) and nuts
(5) to the valve stem side and tighten (draw
up) the bolts in a crisscross
fashion. Torque the nuts to 90 inch-pounds and inflate the tire to 46 psi to seat the tire bead, then deflate
the tire to proper inflation. (Refer to Section 11, Table II-1.)
e. Lubricate bearing
cones (9) and install cones, inner seal retainers
(7) and grease seals (8). Secure
outer seal retainer with three screws (6).
f. Place one
spacer tube in each side of wheel and position
wheel in fork. Align and slide axle tube
through spacer tubes and wheel assembly. Install axle plugs and tie rod and secure with nuts. Tighten the
nuts until
no side play is felt. yet allowing
the wheel to rotate freely.
7-45.
REMOVAL AND DISASSEMBLY
OF MAIN WHEEL. (Refer to Figure
7-13.)
a. Place airplane on jacks.
b. To remove main
wheel. remove cap
bolts joining brake
cylinder housing and
back plate lining
assemblies.
Remove back plate
from between brake disc and
wheel.
c. Remove the dust
cover and cotter
pin that safeties axle
nut: remove axle nut
and bushing and
slide wheel from the axle.
d. The wheel halves ( I and 2) may be
separated by first deflating the tire. With
tire deflated. remove
bolts (9). Pull wheel halves from tire
by first removing inner half from the tire
then the outer half.
e.
Wheel bearing assemblies
may be removed
from each wheel half
by removing snap rings
( 13), grease
seal
rings (12 and 15), felt
grease seals (14) and
bearing cone ( I I). Bearing
cups (10) should
not be removed
unless in need of replacement. To remove bearing cups. refer to paragraph 7-46.
Reissued: 10/11/79 LANDING GEAR AND BRAKE SYSTEM
1L1
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