Leveling The Mower Deck - Toro 74855 Operator's Manual

Installing the Blades
1. Install the blade onto the spindle shaft
Important: The curved part of the blade must be
pointing upward toward the inside of the mower to
ensure proper cutting.
2. Install the spring disk and blade bolt with the spring
disk cone installed toward the bolt head
3. Torque the blade bolt to 135 to 150 N•m (100 to
110 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
Bent Blades (page 40) before 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 tires must be properly inflated; refer to
the Tire Pressure (page
Checking the Side-to-Side Level
The mower blades must be level from side to side. Check the
side-to-side level any time you install the mower or when you
see an uneven cut on your lawn.
1. Park the machine on a level surface and disengage the
blade-control switch.
2. Move the motion-control levers outward to the
N -L position, shut off the engine, remove
EUTRAL OCK
the key, set the parking brake, and wait for all moving
parts to stop before leaving the operating position.
3. Carefully rotate the blades side to side.
4. Measure between the outside cutting edges and the flat
surface (Figure 60).
Note: If both measurements are not within 5 mm
(3/16 inch), an adjustment is required; refer to
the Mower Deck (page
(Figure 57).
(Figure
Checking for
Checking
37).
Leveling
43).
57).
1. Blades side to side
2. Outside cutting edges
Checking 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 7.9 mm
(5/16 inch) 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. Move the motion-control levers outward to the
N
EUTRAL
shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Carefully rotate the blades so they are facing front to
rear (Figure
4. Measure from the tip of the front blade to the flat
surface and the tip of the rear blade to the flat surface
(Figure 61).
Note: If the front blade tip is not 1.6 to 7.9 mm (1/16
to 5/16 inch) lower than the rear blade tip, refer to
Leveling the Mower Deck (page
42
Figure 60
3. Measure from the tip of the
blade to the flat surface
here.
-L position, engage the parking brake,
OCK
61).
43).