Leveling The Mower Deck - Toro 74790 Operator's Manual

Installing the Blades
1. Install the blade onto the spindle shaft
47).
Important:
The curved part of the blade
must be pointing upward toward the inside
of the mower to ensure proper cutting.
2. Install the curved washer (cupped side toward
the blade) and the blade bolt
3. Torque the blade bolt to 47 to 88 N∙m (35 to
65 ft-lb).

Leveling the Mower Deck

Ensure that the mower deck is level any time you
install the mower deck or when you see an uneven
cut on your lawn.
Check the mower deck for bent blades prior to
leveling; remove and replace any bent blades. Refer
to the Checking for Bent Blades (page 42)
continuing.
Level the mower deck side to side before adjusting
the front-to-rear slope.
Requirements:
•
The machine must be on a level surface.
•
All 4 tire must be properly inflated. Refer to
Checking the Tire Pressure (page
Leveling from Side to Side
1. Park the machine on a level surface and
disengage the blade-control switch.
2. Engage the parking brake, shut off 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.
4. Carefully rotate the blades so that they are all
side to side (Figure 50
(Figure
(Figure 47).
before
40).
and Figure 51).
Mower Decks with 2 Blades
1. Blades side to side
2. Sail area of blade
Mower Decks with 3 Blades
1. Blades side to side
2. Sail area of blade
5. Measure between the outside cutting edges and
the flat surface
Note:
If both measurements are not within
5 mm (3/16 inch), an adjustment is required;
continue with this procedure.
6. Move to the left side of the machine.
7. Loosen the side locking nut.
8. Raise or lower the left side of the mower deck
by rotating the rear nut
Note:
Rotate the rear nut clockwise to
raise the mower deck; rotate the rear nut
counter-clockwise to lower the mower deck.
(Figure 52).
44
Figure 50
3. Outside cutting edges
4. Measure from the tip of the
blade to the flat surface
here
Figure 51
3. Outside cutting edges
4. Measure from the tip of the
blade to the flat surface
here
(Figure 50 and Figure
(Figure 52).
g009682
g005278
51).