Exmark QSS708GEM42200, Operator'S Manual

Page: 58 / 76

Maintenance
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Figure 66
Mower Deck with 2 Blades
1. Blades side to side 3. Outside cutting edges
2. Sail area of blade 4. Measure from the tip
of the blade to the flat
surface here
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Figure 67
Mower Deck with 3 Blades
1. Blades side to side 3. Outside cutting edges
2. Sail area of blade 4. Measure from the tip
of the blade to the flat
surface here
5. Measure between the outside cutting edges and
the flat surface (Figure 66 and Figure 67). If both
measurements are not within 3/16 inch (5 mm),
an adjustment is required; continue with this
procedure.
6. Support the weight of mower deck by placing
wood blocks under the edges of the deck.
Note:
Avoid placing the supports under any
anti-scalp rollers if present on the deck.
7. Move to the left side of the machine.
8. Loosen the side-locking nut.
9. Raise or lower the left side of the mower deck by
rotating the rear nut. (Figure 68).
Note:
Rotate the rear nut clockwise to raise the
mower deck; rotate the rear nut counter-clockwise
to lower the mower deck.
Figure 68
1. Hanger bracket 3. Rear-locking nut
2. Side-locking nut
10. Check the side-to-side adjustments again. Repeat
this procedure until the measurements are correct.
11. Continue leveling the deck by checking the
front-to-rear blade slope; refer to Adjusting the
Front-to-Rear Blade Slope.
Adjusting the Front-to-Rear Blade
Slope
Check the front-to-rear blade level any time you install
the mower. If the front of the mower is more than
5/16 inch (7.9 mm) lower than the rear of the mower,
adjust the blade level using the following instructions:
1. Park the machine on a level surface and disengage
the blade control switch.
2. Ensure the parking brake is engaged, stop the
engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Set the height-of-cut lever to middle position.
Note:
Check and adjust the side-to-side blade
level if you have not checked the setting; refer to
Side-to-Side Leveling .
4. Carefully rotate the blades so they are facing front
to rear (Figure 69 and Figure 70).
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