Servicing The Cutting Blades - Toro 74904 Operator's Manual

16. On both sides of the deck, measure from the level
surface to the back tip of the blade (postion B) as
shown in Figure 89.
Note: The measurement should read 8.3 cm (3-1/4
inches)
17. Fine tune the screw adjuster by turning it to get 8.3
mm (3-1/4 inch) height
To increase the height, turn the adjustment nut
clockwise; to decrease it, turn the nut counterclockwise.
18. Measure until all 4 sides are the correct height.
19. Tighten all of the nuts on the deck-lift-arm assemblies.
20. Lower the discharge chute.
(Figure 90).

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 into the operator's
or bystanders' area, 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 off. Remove
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
61).
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
1. Cutting edge
2. Curved area
60
(Figure 93).
Sharpening the Blades (page
(Figure
Figure 93
3. Wear/slot forming
4. Crack
93).