Citation - 52” & 61” Mower Decks
www.simplicitymfg.com
16
Perform
Safety Checks
Functional Tests
1. Check the tractor for loose bolts, screws, nuts, etc.
2. Start the engine and check all controls for proper
operation: ground speed control levers, parking brake,
throttle cable, electric PTO clutch, etc.
3. Stop the engine and check for fluid leaks: oil, fuel and
hydraulic oil.
4. If any control fails to operate properly during testing or
seems to be out of adjustment, check and readjust it
according to the following Adjustments section.
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 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, the PTO switch must
be turned off, the 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
• Disengage the PTO, stop the engine, set the parking
brake, and wait for moving parts to stop before leaving
operator’s position for any reason.
• If the machine does not pass the test, do NOT operate
the machine. Under no circumstance should you attempt
to defeat the purpose of the safety system.
WARNING
If the unit does not pass a safety test, do not operate
it. See your authorized dealer. Under no circumstances
should you attempt to defeat the purpose of the safety
interlock system.
Not
for
Reproduction
