The Safety Interlock System; Driving Forward Or Backward - Toro 74311TE Operator's Manual

The Safety Interlock System

CAUTION
If the 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 following occurs:
•
The parking brake is engaged.
•
The PTO engagement lever is disengaged.
•
The speed-control lever is in the N
The safety interlock system is designed to shut off the engine
when you rise from the seat when the PTO is engaged.
The hour meter has symbols to notify the user when the
interlock component is in the correct position. When the
component is in the correct position, a triangle lights up in
the corresponding square.
1. Triangles light up when
the interlock components
are in the correct position
2. Hopper up
Testing the Safety Interlock System
Service Interval: Before each use or daily
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.
position
EUTRAL
Figure 17
3. Hour/Voltage display
4. Low voltage indicator light
1. Sitting on the seat, engage the parking brake, move the
PTO engagement lever to on, and move the speed
control lever to N
engine; the engine should not crank.
2. Sitting on the seat, engage the parking brake and
move the PTO engagement lever to off. Move the
speed-control lever out of the N
starting the engine; the engine should not crank.
3. Sitting on the seat, disengage the parking brake, move
the PTO engagement lever to off, and move the
speed-control lever to the N
starting the engine; the engine should not crank.
4. Sitting on the seat, engage the parking brake, move
the PTO engagement lever to off and move the
speed-control lever to the N
start the engine. While the engine is running, release
the parking brake, engage the PTO engagement lever,
and rise slightly from the seat; the engine should shut
off.
5. Sitting on the seat, engage the parking brake, move
the PTO engagement lever to off and move the
speed-control lever to N
engine. Move the speed-control lever forward; the
engine should shut off.

Driving Forward or Backward

The throttle control regulates the engine speed as measured
in rpm (revolutions per minute). Place the throttle control in
the F position for best performance. Always operate in
AST
the full throttle position when mowing.
CAUTION
This machine can spin very rapidly. You may lose
control of the machine and cause personal injury
or damage the machine.
• Use caution when making turns.
• Slow down the machine before making sharp
turns.
Driving Forward
Note: To move the machine forward or rearward, you must
sit in the seat and disengage the brake lever before you can
move the speed-control lever; otherwise, the engine will stop.
To stop the machine, pull the speed-control lever to the
N position.
EUTRAL
1. Start the engine.
2. Release the parking brake; refer to
Parking Brake (page
3. To move forward in a straight line move the speed
control lever forward.
21
position. Try starting the
EUTRAL
position. Try
EUTRAL
position. Try
EUTRAL
position. Now
EUTRAL
position. Start the
EUTRAL
Releasing the
18).