6-S4
ZD18(F) · ZD21(F) · ZD28(F), WSM
ROTARY MOWER
4. CHECKING, DISASSEMBLING AND ASSEMBLING
[1] CHECKING AND ADJUSTING
Adjusting Anti-scalp Rollers
IMPORTANT
• The flattest cut can be achieved by having the anti-scalp
rollers adjusted off the ground.
Check anti-scalp roller adjustments each time the mower
deck cutting height is changed.
It is recommended that all the anti-scalp rollers be kept off
the ground to minimize scuffing.
1. Check the machine wheel pressure.
Inflate wheels to the correct pressure. (See table below.)
2. Start the engine.
3. Raise up the mower deck to the transport position.
(Also the top end of the lift.)
4. Turn the cutting height control dial to adjust height.
5. Lower the mower deck.
W1020280
 Rear side anti-scalp roller
6. Adjust height H of the rear side anti-scalp roller to one of four
positions to approximately 19 mm (0.75 in.) between rollers and
ground. Adjust both side rollers to the same height.
7. Install the roller with attaching hardware.
W1020905
 Front side anti-scalp roller
8. Adjust height H of the front side anti-scalp roller to one of seven
positions to approximately 19 mm (0.75 in.) between rollers and
ground. Adjust both side rollers to the same height.
9. Install the roller with attaching hardware.
W1020763
Inflation Pressure
Front wheel 207 kPa, 2.1 kgf/cm
2
, 30 psi
Rear wheel 140 kPa, 1.4 kgf/cm
2
, 20 psi
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