Blade Adjustment
To assure proper operation of the cutting unit, there
must be 0.25 ± 0.12" clearance between the tips of the
wing and center cutting unit blades.
1. Raise cutting unit so blades are visible and block
c
enter deck section so it cannot fall accidentally. Wing
decks must be horizontal to center cutting unit.
2. Rotate a center and adjoining wing blade so there
bl
ade tips are aligned. Measure distance between blade
tips, distance should be approximately 0.25 ± 0.12".
3. To adjust distance, locate adjuster bolt on rear outside
c
orner of center cutting unit. Loosen jam nut on adjuster
bolt. Loosen or tighten adjuster bolts until 0.25 ± 0.12"
clearance is attained, then tighten jam nut.
4. Repeat procedure on opposite side of cutting deck.
IMPORTANT: Blade plane is adjusted at the factory
and
should not need further adjustment.
Figure 9
1
2
Figure 10
1. Adjuster bolt
2. Jam nut
Cutting Unit
Groundsmaster
®
455-D Page 8 - 7 Adjustments
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