briggs--stratton zt2450 用户手册

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Safety Interlock System

NORTH AMERICAN
MODELS ONLY:

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

• Ground speed control levers are not in the

NEUTRAL position.

Test 2 — Engine SHOULD crank and start if:

• PTO switch is NOT engaged, AND

• Parking brake is engaged, AND

• Ground speed control levers are locked in the

NEUTRAL position.

Test 3 — Engine should SHUT OFF if:

• Operator rises off seat with PTO engaged, OR

• Operator rises off seat with parking brake

disengaged.

• Operator moves ground speed control levers

out of their neutral positions before disengaging
parking brake.

Test 4 — Blade Brake Check

Mower blades and mower drive belt should come to
a complete stop within five (5) seconds after electric
PTO switch is turned off (or operator rises off seat).
If mower drive belt does not stop within five (5)
seconds, see your dealer.

NOTE: Once the engine has stopped, PTO switch
must be turned off, parking brake must be engaged,
and the ground speed control levers 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.

EXPORT MODELS ONLY:

Safety Interlock System

Operational SAFETY Checks

Test 1 — Engine should NOT crank if:

• PTO switch is engaged, OR

• Parking brake is not engaged, OR

• Ground speed control levers are not in the

NEUTRAL position.

Test 2 — Engine SHOULD crank and start if:

• PTO switch is NOT engaged, AND

• Parking brake is engaged, AND

• Ground speed control levers are locked in the

NEUTRAL position, AND

• Operator is in seat.

Test 3 — Engine should SHUT OFF if:

• Operator rises off seat under any condition.

• Operator moves ground speed control levers

out of their neutral positions before disengaging
parking brake.

Test 4 — Blade Brake Check

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.

Not

for

Reproduction