Servicing The Cutting Blades - Toro 74919TE Operator's Manual

Figure 90
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
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 91
1. Single point adjustment bolt
14. Tighten the 2 bolts at the bottom of the height of cut
plate (Figure 90). Torque to 37 to 45 N-m (27 to 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
surface to the back tip of the blade (Postion B). The
(Figure 91).
g017036
measurement should read 8.3 cm (3-1/4 inches); refer
to Figure 88.
16. Fine-tune the adjustment nut on the front deck lift
assembly by turning it
To increase the height, turn the adjustment nut
clockwise; to decrease, turn counterclockwise.
17. Measure until all four sides are the correct height.
Tighten all the jam nuts on the deck lift arm assemblies.
18. Lower discharge chute.

Servicing the Cutting Blades

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,
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.
DANGER
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
damage.
• 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 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
2. Inspect the blades, especially the curved area
92). If you notice any damage, wear, or a slot forming
in this area (Figure
59
(Figure 89).
(Figure 92). If the edges
Sharpening the Blades (page
92), immediately install a new blade.
61).
(Figure