Toro 74991 Z Master Professional 5000 Series, Operator'S Manual

Page: 63 / 76

Checking for Bent Blades
1. Disengage the blade-control switch (PTO), move the
motion-control levers to the N
EUTRAL
-
LOCK
position,
and set the parking brake.
2. Shut off 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 99 ).
4. Measure from a level surface to the cutting edge,
position
A , of the blades ( Figure 99 ).
Figure 99
1. Measure here from blade
to hard surface 2. Position A
5. Rotate the opposite ends of the blades forward.
6. Measure from a level surface to the cutting edge of the
blades at the same position as in step
4 .
Note:
The difference between the dimensions
obtained in steps 4 and 5 must not exceed 3 mm
(1/8 inch).
Note:
If this dimension exceeds 3 mm (1/8 inch), the
blade is bent and must be replaced.
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.
• Do not file or create sharp notches in the
edges or surfaces of the blade.
Removing the Blades
Replace a blade if it hits an object, if the blade is out of balance,
or if the blade 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 nonconformance with safety
standards.
1. Hold the blade end using a rag or a thickly padded
glove.
2. Remove the blade bolt, curved washer, and blade from
the spindle shaft (
Figure 100 ).
Figure 100
1. Sail area of the blade 3. Curved washer
2. Blade 4. Blade bolt
63