Servicing The Cutting Blades - Toro 74902TE Operator's Manual

Figure 92
1. Bolts at the bottom of the height-of-cut plate
13. If the deck is too low, tighten the single point
adjustment bolt by rotating it clockwise. If the deck is
too high, loosen the single point adjustment bolt by
rotating it counterclockwise (Figure 93).
Note: Loosen or tighten the single point adjustment
bolt enough to move the height-of-cut plate mounting
bolts at least 1/3 the length of the available travel
in their slots. This will regain some up and down
adjustment on each of the four deck links.
Figure 93
1. Single point adjustment bolt
14. Tighten the two bolts at the bottom of the height of cut
plate (Figure 92). Torque to 37-45 N-m (27-33 ft-lb).
Note: In most conditions, the back blade tip should
be adjusted 6.4 mm (1/4 inch) higher than the front.
15. On both sides of the deck, measure from the level
16. Fine-tune the adjustment nut on the front deck lift
17. Measure until all four sides are the correct height.
18. Lower discharge chute.

Servicing the Cutting Blades

1
Maintain sharp blades throughout the cutting season because
sharp blades cut cleanly without tearing or shredding the grass
blades. Tearing and shredding turns grass brown at the edges,
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which slows growth and increases the chance of disease.
Check the cutter blades daily for sharpness, and for any
wear or damage. File down any nicks and sharpen the
blades as necessary. If a blade is damaged or worn, replace
it immediately with a genuine Toro replacement blade. For
convenient sharpening and replacement, you may want to
keep extra blades on hand.
A worn or damaged blade can break, and a piece
of the blade could be thrown into the operator's
or bystander's area, resulting in serious personal
injury or death.
• Inspect the blade periodically for wear or
• Replace a worn or damaged blade.
Before Inspecting or Servicing the
Blades
Park the machine on a level surface, disengage the blade
control switch (PTO), and set the parking brake. Turn the
ignition key to Off. Remove the key.
Inspecting the Blades
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Service Interval: Before each use or daily
1. Inspect the cutting edges (Figure 94). If the edges
2. Inspect the blades, especially the curved area (Figure
58
surface to the back tip of the blade (Postion B). The
measurement should read 8.3 cm (3-1/4 inches) (Figure
90).
assembly by turning it (Figure 91).
To increase the height, turn the adjustment nut
clockwise; to decrease, turn counterclockwise.
Tighten all the jam nuts on the deck lift arm assemblies.
DANGER
damage.
are not sharp or have nicks, remove and sharpen the
blades. Refer to Sharpening the Blades.
94). If you notice any damage, wear, or a slot forming
in this area (Figure 94), immediately install a new blade.