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3. Pull blade switch (PTO) up and release. Hold blade
control bail against control bar while operating.
4. Repeat procedure to engage mower blades if blade
control bail is released.
1
3
Figure 13
1. Upper control bar
2. Blade control bail
Disengaging the Mower Blades (PTO)
1. Release blade control bail to disengage blades
(Fig. 13).
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.
2
m–5187
3. Blade switch (PTO)
20
Understanding the Safety Interlock
System
The safety interlock system is designed to prevent the
mower from starting unless the control bar is in the neutral
position and to prevent the blades from rotating when the
blade control is released.
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 machine on a flat, open area.
2. Push the control bar full forward.
3. Rotate the ignition key to "START" and slowly move
control bar back to neutral. Engine should not crank
until control bar is within 5 of neutral position.
4. Start the engine, refer to Starting and Stopping the
Engine on page 18. With engine running and control
bar in neutral position, squeeze control bail against
control bar (Do not pull up on blade switch), clutch
should not engage and blades must not rotate.
5. Continue holding the blade control bail and pull the
blade switch (PTO) up. The clutch should engage and
the mower blades begin rotating.
6. Release the blade control bail. The clutch must
disengage and the blades stop rotating.
7. Release the blade control bail (PTO), then pull up the
blade switch without holding the blade control bail.
The clutch must not engage and the blades must not
rotate.
8. If all the above conditions are not met have an
Authorized Service Dealer repair the safety system
immediately.
Driving Forward or Backward
The Enhanced T–Bar control system is designed to
provide easy and comfortable operation of the hydrostatic
drive. The control regulates ground speed, as well as
forward, reverse and neutral functions, as well as steering
direction.
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.
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