Kubota Z231BR-AU, Operator'S Manual

Page: 73 / 85

(1) Cutting height fine tuning bolt
(2) Jam nut
3. Leveling the mower deck (front-to-
rear)
WARNING
To avoid serious injury or death:
• Park the machine on a firm and level surface.
• Engage the parking brake.
• Disengage the PTO.
• Stop the engine and remove the key while
checking or adjusting the level of the mower
deck.
IMPORTANT :
• Check the machine tire pressure.
Inflate the tires to the correct pressure.
(See TIRES AND WHEELS on page 38.)
Checking level (front-to-rear)
NOTE :
• The mower deck anti-scalp rollers should not
contact the ground.
1. Raise the mower deck to the end of travel (the top
end).
2. Turn the cutting height set dial to the 76 mm (3 in.)
cutting height position.
3. Lower the mower deck.
4. Position the right mower blade in the front-to-rear
position.
5. Measure from the right front blade tip to the level
surface with a short ruler or leveling gauge.
6. Turn the blade 180° and measure from the right
rear blade tip to the level surface.
7. Check that the left side blade has the same
dimensions. The difference between both
measurements should be less than 6 mm (0.25 in.).
The front side must be lower than the rear side.
8. If the front-to-rear adjustment is not within the given
tolerance, adjustment is necessary.
(A) Front
(B) Rear
Front-to-rear adjustment
Less than 6 mm (0.25 in.)
The front side must be lower than the
rear side.
Adjusting the level (front-to-rear)
1. Raise up the mower deck to the end of travel (the
top end).
2. Turn the cutting height set dial to the 76 mm (3 in.)
cutting height position.
3. Place 51 mm (2 in.) high wood blocks under each
side of the mower deck.
Anti-scalp rollers must not rest on the wood block.
4. Lower the mower deck.
5. Loosen the jam nuts of the front side of the
machine.
6. Adjust the cutting height fine tuning bolts to set
76 mm (3 in.) blade height.
Both front side bolts must be adjusted.
7. Jam the nuts.
8. Adjust the other side equally.
Install the side covers LH and RH.
IMPORTANT :
• The difference between both measurements
should be less than 6 mm (0.25 in.).
The front side must be lower than the rear
side.
9. Check the front-to-rear level. If it is not level,
adjustment is necessary.
ADJUSTMENT MOWER DECK LEVEL
70
Z231BR-AU,Z231KH-AU,Z251BR-AU,Z251KH-AU