2. Turn the cutting height set dial to the 3 in. cutting
height position.
3. Lower the mower deck.
4. Turn left blade by hand parallel to machine and turn
right blade parallel to machine to measure from the
outside blade tip at (L) and (R) to the level surface.
The difference between measurements should be
less than 3 mm (0.12 in.).
(1) Blade
RCK60R, RCK72R
Reference
Height of the blade at the concrete surface
76 mm (3 in.)
NOTE :
• There is a difference of the blade height
between on the concrete and ground.
5. If the side-to-side adjustment is not within the given
tolerance, adjustment is necessary.
Adjusting the level (side-to-side)
1. Raise up the mower deck to the top position.
2. Turn the cutting height set dial to the 3 in. cutting
height position.
3. Place 51 mm (2 in.) height 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. Position the mower blade in the side-to-side
position.
6. Loosen the lock nuts of the right side of the
machine.
7. Adjust the cutting height fine tuning bolts to set
76 mm (3 in.) blade height.
Front and rear side bolts must be adjusted.
8. Lock the nuts.
9. Adjust the left side equally.
10. Check the side-to-side level. If it is not level,
adjustment is necessary.
(1) Cutting height fine tuning bolt
(2) Lock 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, remove the key and remove
the mower universal joint 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 50.)
Checking level (front-to-rear)
NOTE :
• The mower deck anti-scalp rollers should not
contact the ground.
1. Raise the mower deck to the top position.
2. Turn the cutting height set dial to the 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.
ADJUSTMENT
MOWER DECK LEVEL
90
ZD1211,ZD1221