Mower Deck Maintenance; Servicing The Cutting Blades - Toro 74534TE GrandStand Operator's Manual

Mower Deck
Maintenance

Servicing the Cutting Blades

To ensure a superior quality of cut, keep the blades sharp.
For convenient sharpening and replacement, you may want
to keep extra blades on hand.
WARNING
A worn or damaged blade can break, and a piece
of the blade could be thrown at you or bystanders,
resulting in serious personal injury or death.
• Inspect the blades periodically for wear or
damage.
• Replace a worn or damaged blade.
Before Inspecting or Servicing the
Blades
Park the machine on a level surface, disengage the blades and
set the parking brake. Turn the ignition key to O
the key, and disconnect the spark plug wires from the spark
plugs.
Inspecting the Blades
Service Interval: Before each use or daily
1. Inspect the cutting edges
2. If the edges are not sharp or have nicks, remove and
sharpen the blade; refer to
55).
3. Inspect the blades, especially in the curved area.
4. If you notice any cracks, wear, or a slot forming in this
area, immediately install a new blade
Figure 76
1. Cutting edge
2. Curved area
. Remove
FF
(Figure 76).
Sharpening the Blades (page
(Figure 76).
3. Wear/slot forming
4. Crack
Checking for Bent Blades
1. Disengage the PTO, move the motion-control levers to
the N -
EUTRAL LOCK
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.
4. Measure from a level surface to the cutting edge,
position A, of the blades
1. Measure here from blade
to hard surface
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
Note: The difference between the dimensions
obtained in steps
(1/8 inch).
Note: If this dimension exceeds 3 mm (1/8 inch),
replace the blade.
WARNING
A blade that is bent or damaged could
break apart and could critically injure you or
bystanders.
• Always replace a bent or damaged blade
with a new blade.
• Do not file or create sharp notches in the
edges or surfaces of the blade.
54
position, and set the parking brake.
(Figure 77).
Figure 77
2. Position A
4 above.
4 and 5 must not exceed 3 mm