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Figure 14
1. Handle
2. Operator Presence
Control levers (OPC)
Disengaging the Mower Blades (PTO)
The mower blades can be disengaged by one of the
following steps.
1. Push the blade control switch (PTO) to off (Fig. 14).
2. Release Operator Presence Control (OPC) levers to
disengage blades (Fig. 14). This will also kill the
engine.
The Safety Interlock System
Caution
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
mower from starting unless:
The blade control switch (PTO) is pushed off.
The machine is shifted into neutral.
The safety interlock system is designed to kill the engine
when:
3
2
1
m–5379
3. Blade control switch
(PTO)
19
The Operator Presence Control (OPC) levers are
released.
The machine is shifted into gear without holding OPC
levers.
The blade control switch (PTO) is pulled on without
holding the OPC levers.
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, have an Authorized Service Dealer repair the
safety system immediately.
1. Set the parking brake and place shift lever in neutral.
Start the engine; refer to Starting and Stopping the
Engine, page 18.
2. Without holding the Operator Presence Control (OPC)
levers, pull the blade control switch (PTO) up. The
engine should kill.
3. Push the blade control switch off.
4. With engine running, hold down the OPC levers. Pull
the blade control switch (PTO) up. The clutch should
engage and the mower blades begin rotating.
5. Release the OPC levers. The engine should kill.
6. With the engine running, move shift lever into a gear.
Release the OPC levers. The engine should kill.
7. If all the above conditions are not met have an
Authorized Service Dealer repair the safety system
immediately.
Driving Forward or Backward
The throttle control regulates the engine speed as
measured in rpm (revolutions per minute). Place the
throttle control in the "FAST" position for best
performance.
Forward
1. To go forward, move the shift lever to a forward gear.
2. Release the parking brake; refer to Releasing the
Parking Brake, page 17.
3. Slowly release the drive levers to move forward
(Fig. 15).
To go straight, release drive levers equally (Fig. 15).
To turn, squeeze the drive lever on the side and direction
you want to turn (Fig. 15).
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