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Figure 21
Operating the Mower Blade
Control Switch (PTO)
The blade control switch (PTO) starts and stops the mower
blades and any powered attachments.
Engaging the Blade Control Switch
(PTO)
Engage the blade control switch (PTO) with the throttle
position at Fast.
Note: Engaging the blade control switch (PTO) with the
throttle position at half or less will cause excessive wear to
the drive belts.
Figure 22
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G008945
Disengaging the Blade Control Switch
(PTO)
The Safety Interlock System
WARNING
If safety interlock switches are disconnected or
damaged the machine could operate unexpectedly
causing personal injury.
• Do not tamper with the interlock switches.
• Check the operation of the interlock switches
daily and replace any damaged switches before
operating the machine.
Understanding the Safety Interlock
System
The safety interlock system is designed to prevent the engine
from starting unless:
•
The parking brake is engaged.
•
The blades are disengaged.
•
The motion control levers are in the neutral lock position.
The safety interlock system also is designed to stop the engine
when the control levers are out of the neutral lock position
with the parking brake on or if you rise from the seat when
the blades are engaged.
Testing the Safety Interlock System
Test the safety interlock system before you use the machine
each time. If the safety system does not operate as described
below, have an Authorized Service Dealer repair the safety
system immediately.
1. While sitting on the seat, engage the parking brake and
move the blade control switch to On. Try starting the
engine; the engine should not crank.
2. While sitting on the seat, engage the parking brake and
move the blade control switch to Off. Move either
motion control lever (forward or reverse). Try starting
the engine; the engine should not crank. Repeat with
the other motion control lever.
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Figure 23
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