10
01
Features & Controls
SAFETY
INTERLOCK SYSTEM
This unit is equipped with safety interlock switches and
other safety devices. These safety systems are present
for your well being, do not attempt to bypass safety
switches, and never tamper with safety devices. Check
their operation regularly.
Operational SAFETY Checks
Your unit is equipped with a seat switch safety system.
Check the seat switch operation every fall and spring
with the following tests.
Test 1 — Engine should NOT crank if:
• PTO switch is engaged, OR
• Parking brake is not engaged, OR
• Motion control handles are not in the NEUTRAL
position, OR
• Operator is not on the seat.
Test 2 — Engine SHOULD crank if:
• PTO switch is NOT engaged, AND
• Parking brake is engaged, AND
• Motion control handles are locked in the NEUTRAL
position, AND
• Operator is on the seat.
Test 3 — Engine should SHUT OFF if:
• Operator rises off seat with PTO engaged, OR
• Operator rises off seat with parking brake disen-
gaged, OR
• Operator engages PTO with parking brake engaged.
• Operator moves the control levers out of the neutral
position with the parking brake engaged.
Test 4 — Blade Brake Check
Mower blades and mower drive belt should come to a
complete stop within seven seconds after electric PTO
switch is turned off (or operator rises off seat). If mower
drive belt does not stop within seven seconds, see your
dealer.
NOTE: Once the engine has stopped, PTO switch must
be turned off, parking brake must be engaged, and the
motion control handles must be locked in the NEUTRAL
position after the operator returns to the seat in order to
start the engine.
WARNING
If the unit does not pass a safety test, do not
operate it. See your authorized dealer. Under no
circumstance should you attempt to defeat the
purpose of the safety interlock system.
Figure 3. Seat Switch Safety System