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MODEL 182 & T182 SERIES SERVICE MANUAL
NOTE
changed, and whenever scraper adjustment
has been disturbed. Set clearance between tire
and scraper for a minimum of 0.25-inch to a
A soft bristle brush may be used remove
maximum of 0.50-inch. Elongated holes are
hardened grease, dust or dirt.
provided in the scraper for adjustment. If the
airplane is flown from surfaces with mud,
snow, or ice, the speed fairing should be
c.
Inspect bearing cones (9), cups (7). retaining
checked to make sure there is no accumula-
rings (1) and seals (2 and 3). for wear or damage.
tion which could prevent normal wheel rota-
d. Inspect thru-bolts (8) and nuts (4) for cracks in
tion. Wipe fuel and oil from speed fairing to
threads or cracks in radius.
prevent stains and deterioration.
e.
Replace cracked or damaged wheel half (6).
f.
Replace damaged retaining rings (1) and seals
f. Lower nose of airplane to floor.
(2 and 3).
g.
Install cover plate and bolt attaching cover plate
g.
Replace any worn or cracked thru-bolts (8) or
to strut.
nuts (4).
h.
Replace worn or damaged bearing cups (7) or
cones (9).
5-38.
NOSE WHEEL REMOVAL.
(See figure 5-6.)
i.
Remove any corrosion or small nicks.
a. Weight or tie down tail of aircraft to raise the
j.
Repair reworked areas of wheel by cleaning
nose wheel off the floor.
thoroughly, then applying one coat of clear lacquer
b.
Remove axle stud.
paint.
c.
Pull nose wheel assembly from fork and remove
k.
Pack bearings with grease specified in Section 2
axle tube from nose wheel.
of this manual.
NOTE
5-41.
NOSE WHEEL REASSEMBLY.
(See figure
5-8.)
It may be necessary to loosen nose wheel
a.
Assemble bearing cone (9), grease seal retainer
fairing scraper to remove nose wheel
(2), felt grease seal (3), grease seal retainer (2) and
retaining ring (1) into both wheel halves (6).
5-39.
NOSE WHEEL DISASSEMBLY.
(See figure
b. Insert tube in tire, aligning index marks on tire
5-8.)
and tube.
c.
Place wheel half (6) into tire and tube (side op-
posite
valve stem),
aligning base of valve stem in
valve slot.
With washer (5) under head of thru-bolt
Serious injury can result from attempt-
(8), insert bolt through wheel half (6).
ing to separate wheel halves with tire and
d.
Place wheel half (6) into other side of tire and
tube inflated.
tube. aligning valve stem in valve slot.
e.
Install washers (5) and nuts (4) on thru-bolts (8)
a.
Completely deflate tire and tube and break loose
and pre-torque to 10-50 lb. in.
tire beads.
Extreme care must be exercised to pre-
vent tire tool damage when removing tire from wheel
halves (6).
b.
Remove nuts (4) and washers (5).
Uneven or improper torque of the nuts can
c.
Remove thru-bolts (8) and washers (5).
cause failure of the bolts with resultant
d.
Separate and remove wheel halves (6) from tire
wheel failure.
and tube.
e.
Remove retaining ring (1). grease seal retainer
f.
Prior to torquing nuts (4). inflate tube with ap-
(2). felt grease seal (3), grease retainer (2) and bear-
proximately 10-15 psi air pressure to seat tire.
ing cone (9) from each wheel half (6).
NOTE
Do not use impact wrenches on thru-bolts
Bearing cups (races) (7) are a press fit in
or nuts.
wheel half (6) and should not be removed
unless a new part is to be installed.
To
g.
Dry torque all nuts (4) evenly to the torque value
remove bearing cups. heat wheel half in
specified in the figure.
boiling water for 30 minutes. or in an oven.
h.
Inflate tire to correct pressure specified in fig-
not to exceed 121°C (250°F).
Using an
ure 1-1 of this manual.
arbor press, if available, press out bearing
cup and press in a new bearing cup while
5-42.
NOSE WHEEL INSTALLATION.
(See figure
wheel half is still hot.
5-6. )
a- Install axle tube in nose wheel.
5-40.
NOSE WHEEL INSPECTION AND REPAIR.
b. Install nose wheel assembly in fork and install
(See figure 5-8.)
nose wheel axle stud.
a.
Clean all metal parts and felt grease seals in
c.
Tighten axle stud nut until a slight bearing drag
Stoddard solvent or equivalent. and dry thoroughly.
is obvious when the wheel is rotated.
Back nut off to
5-19
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Troubleshooting
