Ferris Industries Ddskav15 - Manual (Page 9)

7
Safety Interlock System
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.