Cutting Blade - Toro 74590 Operator's Manual

Cleaning the Foam and Paper Elements
1. Foam Element (Fig. 34):
A. Wash the foam element in liquid soap and warm
water. When the element is clean, rinse it
thoroughly.
B. Dry the element by squeezing it in a clean cloth.
C. Saturate the element in engine oil. Squeeze the
element in a clean, absorbant cloth to remove excess
oil.
Important
Replace the foam element if it is torn or
worn.
2. Paper Element (Fig. 34):
A. Lightly tap the element on a flat surface to remove
dust and dirt.
B. Inspect the element for tears, an oily film, and
damage to the rubber seal.
Important
Never clean the paper element with
pressurized air or liquids, such as solvent, gas, or kerosene.
Replace the paper element if it is damaged or cannot be
cleaned thoroughly.
Installing the Foam and Paper Elements
Important To prevent engine damage, always operate
the engine with the complete foam and paper air cleaner
assembly installed.
1. Install the foam element with the mesh side up.
Note: Make sure the rubber seal is flat against the air
cleaner base.
2. Position the paper element on the foam element in the
air cleaner base.
3. Install the air cleaner cover and knobs (Fig. 34). Tighten
the knobs snugly.
4. Close the hood.

Cutting Blade

To ensure a superior quality of cut, keep the blades sharp.
For convenient sharpening and replacement, you may want
to have extra blades.
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.
Inspecting the Blades
1. Remove the mower; refer to Removing the Mower,
page 30.
2. Inspect the cutting edges (Fig. 35). If the edges are not
sharp or have nicks, remove the blades and sharpen
them; refer to Sharpening the Blade(s), page 30.
3. Inspect the blades, especially the bent edges (Fig. 35). If
you notice any wear or damage in this area,
immediately install a new blade.
4. If the shear pins are broken, replace them immediately
(Fig. 35).
Important If the shear pins are broken, the mower belt
may be damaged. Inspect the belt; refer to Adjusting the
Blade Drive Belt, page 31.
Removing the Blade
1. Remove the mower; refer to Removing the Mower,
page 30.
2. Carefully tip the mower over.
3. Remove the bolt, washer, and blade (Fig. 35). A block
of wood may be wedged between the blade and the
mower to lock the blade when you are removing the
bolt.
Note: The right blade has a left-hand threaded bolt.
4. Inspect all parts. If a defect or damage is noticed, install
new parts.
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