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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.
• Never weld a broken or cracked blade.
• Always replace a worn or damaged blade.
Inspecting and Sharpening the
Blade
1. Raise the cutting deck to the highest position, shut the
engine off, and engage the parking brake. Block the
cutting deck to prevent it from falling accidentally. On
the Groundsmaster 3500-D and 3500-G, secure the
cutting deck service latch.
2. Examine the cutting ends of the blade carefully,
especially where the flat and curved parts of the blade
meet
(Figure
15). Since sand and abrasive material can
wear away the metal that connects the flat and curved
parts of the blade, check the blade before using the
machine. If wear is noticed
blade; refer to Removing the Cutter Blade.
DANGER
If the blade is allowed to wear, a slot will form
between the sail and flat part of the blade
(Figure
15). Eventually a piece of the blade
may break off and be thrown from under the
housing, possibly resulting in serious injury to
yourself or bystanders.
• Inspect the blade periodically for wear or
damage.
• Always replace a worn or damaged blade.
Figure 15
1. Cutting edge
2. Sail
(Figure
15), replace the
3. Wear/slot/crack
3. Inspect the cutting edges of all blades. Sharpen the
cutting edges if they are dull or nicked. Sharpen only
the top of the cutting edge and maintain the original
cutting angle to make sure of sharpness
The blade will remain balanced if the same amount of
metal is removed from both cutting edges.
1. Sharpen at this angle only
4. To check the blade for being straight and parallel, lay
the blade on a level surface and check its ends. The
ends of the blade must be slightly lower than the center,
and the cutting edge must be lower than the heel of the
blade. This blade will produce good quality of cut and
require minimal power from the engine. By contrast a
blade that is higher at the ends than the center, or if
cutting edge is higher than the heel, the blade is bent or
warped and must be replaced.
5. Install the blade, sail facing toward cutting deck, with
the anti-scalp cup and blade bolt. Tighten the blade
bolt to 85–110 ft-lb (115–149 N-m).
Checking the Blade Stopping
Time
Service Interval: Before each use or daily
The blades of the cutting deck should come to a complete
stop in approximately 5 seconds after you shut down the
cutting deck engagement switch.
Note: Make sure the decks are lowered onto a clean section
of turf or hard surface to avoid thrown dust and debris.
To verify this stopping time, have a second person stand back
from the deck at least 20 feet (6 m) and watch the blades
on one of the cutting decks. Have the operator shut the
cutting decks down and record the time it takes for the blades
to come to a complete stop. If this time is greater than 7
seconds, the braking valve needs adjustment. Call your Toro
Distributor for assistance in making this adjustment.
Servicing the Front Roller
Inspect the front roller for wear, excess wobble, or binding.
Service or replace the roller or components if any of these
conditions exist.
Disassembling the Front Roller
1. Remove the roller mounting bolt
12
(Figure
Figure 16
(Figure
17).
16).
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