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the appropriate air pressure for the tires as installed at
the factory.
Important: Always check the information
on the actual tires for the correct air pressure
requirement.
Important: The most common cause of tire
trouble is under-inflation. Maintain full air
pressure.
Tire Air Pressure
Model
68012
68018, 68019
3. Ensure that the wheel lug nuts are torqued to 108 to
122 N-m (80 to 90 ft-lb).
Note: Check the torque of the wheel lug nuts initially
and after towing.
Note: Torque the lug nuts in the sequence shown in
Figure 15.
1
3
4
2
Figure 15
Tire pressure
Max 414 kPa (60 psi)
Max 241 kPa (35 psi)
G021
107
Hitching a Machine with a Stamped Ball
Coupler
1. Apply chassis grease to the socket of the coupler and
the area of the clamp that contacts the ball. Oil the
pivot points and sliding surfaces of the coupler with
SAE 30 motor oil.
2. Open the coupler latch (Figure 16).
A
B
1
C
1. Bail
3. Position the coupler on top of the hitch ball (Figure 16).
4. Close the coupler latch (Figure 16).
5. Open the bail on the safety pin and insert the pin
through the hole in the latch (Figure 16).
6. Rotate the free end of the bail over the end of the safety
pin that is protruding through the latch (Figure 16).
7. If the machine is equipped with a trailer-light kit,
connect the wire plug of the tow vehicle to the wire
plug of the machine.
12
2
G020359
Figure 16
2. Safety pin
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