Simplicity 1693134 Snow Blower User Manual


 
11
Features & Controls
Figure 4. Seat Switch Safety System
SAFETY
INTERLOCK SYSTEM
This unit is equipped with safety interlock switches
and other safety devices. These safety systems are
present for your safety, 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 sys-
tem. 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
Brake pedal is not fully depressed (or parking is
not engaged), OR
Cruise control is engaged.
Test 2 — Engine SHOULD crank if:
PTO switch is NOT engaged, AND
Brake pedal is fully engaged (or parking brake is
engaged), AND
Cruise control is in NEUTRAL position.
Test 3 — Engine should SHUT OFF if:
Operator rises off seat with PTO engaged, OR
Operator rises off seat with brake pedal NOT
fully depressed (or parking brake disengaged),
Test 4 — Blade Brake Check
Mower blades and mower drive belt should come to
a complete stop within five seconds after electric
PTO switch is turned off (or operator rises off seat).
If mower drive belt does not stop within five sec-
onds, see your dealer.
NOTE: Once the engine has stopped, PTO switch
must be turned off after 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.