12
WARNING
If the unit does not pass a safety test, do not 
operate it. See your local authorized dealer. Under 
no circumstance should you attempt to defeat the 
purpose of the safety interlock system.
Safety Interlock            
System Tests 
This unit is equipped with safety interlock switches. 
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
TEST 1 — ENGINE SHOULD NOT CRANK IF:
 • MowerbladesswitchisON,OR
 • GroundspeedcontrolleversarenotintheirSTART/
PARK positions, OR
 • ParkingbrakeleverisinDISENGAGE position.
TEST 2 — ENGINE SHOULD CRANK IF:
 • MowerbladeswitchisOFF,AND
 • GroundspeedcontrolleversareintheirSTART/
PARK positions, AND
 • ParkingbrakeleverisinENGAGE position.
TEST 3 — ENGINE SHOULD SHUT OFF IF:
 • Operatorrisesoffseatwiththemowerbladeswitch
ON, OR
 • Operatorrisesoffseatwiththegroundspeedlevers
in DRIVE positions, OR
 • Operatorrisesoffseatwiththeparkingbrakein
DISENGAGE position, OR
 • Operatormovestheleftand/orrightgroundspeed
control lever out of its START/PARK position with 
the parking brake lever in ENGAGE position.
TEST 4 — BLADE BRAKE CHECK
The mower blades and mower drive belt should 
come to a complete stop within five seconds after the 
mower blade switch is turned OFF.  If mower drive belt 
does not stop within five seconds, contact your local 
authorized dealer.
NOTE: Once the engine has stopped, the mower blade 
switch must be turned OFF, the ground speed control 
levers must be locked in their START/PARK positions, 
and the parking brake lever must be in the ENGAGE 
position in order to start the engine.
Operator Safety