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2. Remove the check/fill plug from the left side of the gear
box (Fig. 9) and make sure that lubricant is up to the
bottom of the hole. If the level is low, add enough
lubricant to bring the level up to the bottom of the hole.
1
2
Figure 9
1. Gear box
Checking the Tire Pressure
The tires are over-inflated for shipping. Therefore, release
some of the air to reduce the pressure. The correct air
pressure in the front and rear tires is 25–30 psi
(172–207 kPa).
Important
Maintain even pressure in all tires to ensure
a good quality-of-cut and proper machine performance. Do
not under-inflate.
Checking the Torque of the
Wheel Nuts or Bolts
Warning
Failure to maintain proper torque of the wheel
nuts could result in failure or loss of wheel and
may result in personal injury.
Torque the front wheel nuts and rear bolts to
85–100 ft.-lb. (115–136 N m) after 1–4 hours of
operation and again after 10 hours of operation.
Torque every 200 hours thereafter.
2. Check/fill plug
19
Adjusting the Height-of-Cut
Front Cutting Unit
The height-of-cut is adjustable from 1 to 5 inches (25 to
127 mm) in 1/2 inch (13 mm) increments. To adjust the
height-of-cut on the front cutting unit, position the castor
wheel axles in the upper or lower holes of the castor forks,
add or remove an equal number of spacers from the castor
forks, and secure the rear chain to the desired hole.
1. Start the engine and raise the cutting units so that the
height-of-cut can be changed. Stop the engine and
remove the key after the cutting unit is raised.
2. Position the castor wheel axles in the same holes in all
castor forks. Refer to the following chart to determine
the correct holes for the setting.
4
1
Figure 10
1. Castor wheel
2. Tensioning cap
3. Spacers
2
3
5
4. Shims
5. Axle mounting holes
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