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Adjusting the Counterbalance
Pressure
The counterbalance test port is used to test the
pressure in the counterbalance circuit
The recommended counterbalance pressure is
2241 kPa (325 psi). To adjust the counterbalance
pressure, loosen the locknut, rotate the adjusting
screw
(Figure
81) clockwise to increase the pressure
or counterclockwise to decrease the pressure, and
tighten the locknut. The engine must be running and
the deck lowered and in the float position to check
the pressure.
Note:
The caster wheels of all 3 cutting units
should remain on the ground when adjusting the
counterbalance and with counterbalance applied.
Figure 81
1. Counterbalance-adjusting
screw
(Figure
81).
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2. Counterbalance-test port
Cutting Unit Maintenance
Pivoting (Tilting) the Front
Cutting Unit to the Upright
Position
Note:
Although not needed for normal maintenance
procedures, you can pivot (tilt) the front cutting unit to
an upright position.
1.
Raise the front cutting unit slightly off the floor,
engage the parking brake, shut off the engine,
and remove the key.
2.
Remove the hairpin cotter and clevis pin
securing the deck-transport latch to the latch
plate and pivot the latch toward the rear of the
deck.
3.
Remove the hairpin cotter and clevis pin
securing the height-of-cut chains to the rear of
the cutting unit.
4.
Start the engine, slowly raise the front cutting
unit, shut off the engine, and remove the key.
5.
Grasp the front of the cutting unit and lift it to
an upright position.
6.
Hold the cutting unit upright, fit the cable end
over the pin on the cutting unit lift arm, and
secure it with the hairpin cotter
1. Cable
65
(Figure
Figure 82
2. Pin
82).
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