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Cooling System
Maintenance
Cleaning the Cooling System
Service Interval: Every 100 hours—Clean the cooling
system.
Use a dry brush to clean grass and accumulated debris from
the engine.
Important: To prevent contaminating the fuel system,
do not use water to clean the engine.
Blade Maintenance
Servicing the Blades
Service Interval: Before each use or daily
To ensure a superior quality of cut, keep the blades sharp. For
convenient sharpening and replacement, keep 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 27).
2. Inspect the cutting edges (Figure 31). If the edges are
not sharp or have nicks, remove the blades and sharpen
them; refer to Sharpening the Blades (page 27).
1. Cutting edge
2. Curved area
3. Inspect the blades, especially the curved area
(Figure 31). If you notice any damage, wear, or a slot
forming in this area (Figure 31), immediately install a
new blade.
Removing the Blades
1. Remove the mower; refer to
Removing the Mower (page 27).
2. Carefully tip the mower over.
3. Remove the bolt (5/8 inch wrench), curved washer,
retainer, and blade (Figure 32). Use a block of wood as
a wedge between the blade and the mower to lock the
blade when you are removing the bolt.
26
Figure 31
3. Wear/slot forming
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