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9
SAFETY INTERLOCK
SYSTEM
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:
• PTO switch is engaged, OR
• Parking brake is not engaged, OR
• Motion control handle is not in the NEUTRAL posi-
tion
Test 2 — Engine SHOULD crank if:
• PTO switch is NOT engaged, AND
• Parking brake is engaged, AND
• Motion control handle is in the NEUTRAL position
Test 3 — Engine should SHUT OFF if:
• Operator releases the operator presence handles
with PTO engaged, OR
• Operator releases the operator presence handles
with parking brake disengaged.
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 releases the operator
presence handles). 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 handle must be returned to the NEU-
TRAL position 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.
Features & Controls
D. Parking Brake Handle
The parking brake is applied by pushing DOWN on the
parking brake handle until it stops. To release the park-
ing brake, pull UP on the handle until it locks over cen-
ter.
E. PTO (Power Take Off) Switch
The PTO switch engages and disengages the mower.
Pull UP on the switch to engage, and push DOWN to
disengage.
F. Operator Presence Handles
These handles are a major factor in the safety interlock
system of the mower. Both handles are tied together so
depressing one handle depresses both. The operator
must depress the handles in order to disengage the
parking brake and engage the PTO switch.
G & H. Throttle / Choke Control
Pulling the round choke control knob (H) out fully chokes
the engine for cold starts. (A warm engine may not
require choking.) Moving the throttle control (G) fully
towards the right is FULL throttle position. Always oper-
ate the unit at FULL throttle when mowing.
I. Neutral Return Pedal
The neutral return pedal provides a hands-free return to
neutral. This is used in conjunction with the Reverse
Speed Control Levers (B) to properly stop the machine.
See the Operating the Dual Drive Walk-Behind Mower
section for steering instructions.
J. Fuel Shut Off Valve (not shown)
The fuel shut off valve is located under the fuel tank.
Turning the handle until it is VERTICAL will allow fuel to
be supplied to the engine. Turning the handle until it is
HORIZONTAL shuts off the fuel supply to the engine.