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4. Place universal cross in vise as shown in Figure 20
and tap on yoke to remove cup. Repeat Step 3 for
final removal. Drive remaining cup out with a drift
and hammer.
U-Joint Assembly
1. Place seals securely on bearing cups. Insert cup into
yoke from outside and press in with hand pressure
as far as possible. Insert journal cross into bearing
cup with grease fitting away from shaft. Be careful
not to disturb needle bearings. Insert another bear-
ing cup directly across from first cup and press in as
far as possible with hand pressure.
2. Trap cups in vise and apply pressure. Be sure
journal cross is started into bearings and continue
pressure with vise, squeezing in as far as possible.
Tapping the yoke will help.
3. Seat cups by placing a drift or socket (slightly small-
er than the cup) on cup and rap with a hammer.
Install snap ring and repeat on opposite cup.
4. Repeat Step 1 and Step 2 to install remaining cups
in remaining yoke.
5. Move both yokes in all directions to check for free
movement. If movement is restricted, rap on yokes
sharply with a hammer to relieve any tension.
Repeat until both yokes move in all directions with-
out restriction.
MAN1282
( 04/18/23 )
MAN1282_2023-04.indd 35
MAN1282_2023-04.indd 35
CD1388
Figure 20.
SERVICING TIRES SAFELY
Used Aircraft Tires
(Figure 21)
WARNING
Do not attempt to mount a tire unless you have the
proper equipment and experience to perform the job.
Always maintain the correct tire pressure. Do not inflate
tires above the recommended pressure. Never weld or
heat a wheel and tire assembly. The heat can cause an
increase in air pressure and result in a tire explosion.
Welding can structurally weaken or deform the wheel.
When inflating tires, use a clip-on chuck and an exten-
sion hose long enough to allow you to stand to the side
— not in front of or over the tire assembly. Use a safety
cage if available.
Check wheels for low pressure, cuts, bubbles, dam-
aged rims, or missing lug bolts and nuts.
Never remove split rim assembly hardware (A) with the
tire inflated.
A
WARNING
RELEASE ALL AIR PRESSURE BEFORE LOOSENING BOLTS.
FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY OR DEATH.
MAX. SPEED: 20 MPH, MAX. WEIGHT: 4000 LBS., MAX. AIR PRESSURE: 40 PSI.
Figure 21. Split Rim Tire Servicing
Dealer Service 35
■ Explosive separa-
tion of tire and rim
parts
can
cause
serious injury or
death. Release all
air pressure before
loosening bolts.
PN 1006348
EXPLOSION
HAZARD
4/18/23 2:54 PM
4/18/23 2:54 PM
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