Toro Z Master Professional 7000 Series Operator's Manual page 61

Before Inspecting or Servicing the
Blades
Park the machine on a level surface, disengage the blade
control (PTO), and set the parking brake. Turn the ignition
key to the Off position. Remove the key.
Inspecting the Blades
Service Interval: Before each use or daily
1. Inspect the cutting edges
are not sharp or have nicks, remove and sharpen the
blades. Refer to Sharpening the Blades (page
2. Inspect the blades, especially the curved area
87). If you notice any damage, wear, or a slot forming
in this area (Figure
Figure 87
1. Cutting edge
2. Curved area
Checking for Bent Blades
1. Disengage the PTO, move the motion control levers to
the neutral locked position, and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Rotate the blades until the ends face forward and
backward (Figure 88). Measure from a level surface to
the cutting edge, position A, of the blades
Note this dimension.
(Figure 87). If the edges
87), immediately install a new blade.
3. Wear/slot forming
4. Crack
(Figure
62).
(Figure
1. Measure here from blade
to hard surface
4. Rotate the opposite ends of the blades forward.
5. Measure from a level surface to the cutting edge of
the blades at the same position as in step
The difference between the dimensions obtained in
steps
dimension exceeds 3 mm (1/8 inch), the blade is bent
and must be replaced; refer to
(page 61)
WARNING
A blade that is bent or damaged could break
apart and could seriously injure or kill you or
bystanders.
• Always replace bent or damaged blade
with a new blade.
• Never file or create sharp notches in the
edges or surfaces of blade.
Removing the Blades
88).
Blades must be replaced if a solid object is hit, if the blade is
out of balance or is bent. To ensure optimum performance
and continued safety conformance of the machine, use
genuine Toro replacement blades. Replacement blades made
by other manufacturers may result in non-conformance with
safety standards.
WARNING
Contact with a sharp blade can cause serious injury.
Wear gloves or wrap sharp edges of the blade with
a rag.
1. Hold the blade end using a rag or thick padded glove.
2. Remove the blade bolt, curved washer, and blade from
the spindle shaft
61
Figure 88
2. Position A
3 and 4 must not exceed 3 mm (1/8 inch). If this
Removing the Blades
and Installing the Blades (page
(Figure 91).
3 above.
62).