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Checking the Blade Brake
Clutch
Check the blade control bar before each use
to ensure that the blade brake clutch system is
operating properly.
Normal Test
1. Stop the engine and wait for all moving parts
to stop.
2. Move the mower onto a paved surface in a
non-windy area.
3. Set all 4 wheels in to the 2-1/2 inch (64 mm)
cutting height setting.
4. Set the ground speed selector to the Neutral
position.
5. Take a half sheet of newspaper and crumple
it into a ball small enough to go under the
housing (about 3 inches or 76 mm in diameter).
6. Place the ball of newspaper 5 inches (12.7 cm)
in front of the mower (Figure 14).
Figure 14
1. 5 inches (12.7 cm)
7. Start the engine.
8. Move the blade control bar down to its lowest
position (Figure 15).
Figure 15
9. Lift the blade control bar up to about one inch
(2.5 cm) below the handle; refer to position A
in Figure 16.
Note: The fan-like noise indicates that the
mower blade is turning.
Figure 16
1. 1 inch (2.5 cm)
10. Release the blade control bar; refer to position
B in Figure 17. You should hear a "bang." The
blade should stop in 3 seconds.
Figure 17
11. Immediately push the mower over the
newspaper ball.
12. Stop the engine and wait for all moving parts
to stop.
15
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