Check Safety Interlock System; Check Blade Brake; Engine Maintenance - Snapper LT23420 Manual Del Operador

MaJflteflaflce
Check Safety interlock System
Service interval: Every Fall & Spring
This unit is equipped with safety interlock switches and
other safety devices. These safety systems are present
for your safety: do not attempt to bypass safety switches,
and never tamper with safety devices.
Check the seat switch operation every fall and spring
with the following tests.
Test 1 -- Engine should NOT crank if:
• PTO switch is ON, OR
• Brake pedal is NOT fully depressed (parking brake
OFF),
Test 2 -- Engine SHOULD crank if:
• PTO switch is OFF, AND
• Brake pedal is fully depressed (parking brake ON),
AND
Test 3 -- Engine should SHUT OFF if:
* Operator rises off seat with PTO engaged, OR
* Operator rises off seat with brake pedal NOT fully
depressed (parking brake OFF).
Test 4 -- Blade Brake Check
Mower blades and mower drive belt should come to a
complete stop within five seconds after electric PTO
switch is turned OFF (or operator rises off seat). If
mower drive belt does not stop within five seconds, re
adjust the PTO clutch as described in the MAINTE-
NANCE section or see your dealer.
Test 5 -- Reverse Mow Option (RMO) Check
* Engine should shut off if: PTO is engaged AND RMO
is not activated AND reverse pedal is depressed.
* RMO light should illuminate if: RMO is engaged AND
PTO switch is activated.
NOTE: Once the engine has stopped, the PTO switch
must be turned off 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.
Check Blade Brake
Service Interval: Every 100 Hours or Fall & Spring
Mower blades and mower drive belt should come to a
complete stop within five seconds after the electric PTO
switch is turned off.
1. With tractor in neutral, PTO disengaged and operator
in seat, start the engine.
2. Look over the left-hand footrest at the mower drive
belt. Engage the PTO and wait several seconds.
Disengage the PTO and check the amount of time it
takes for the mower drive belt to stop.
3. If mower drive belt does not stop within five seconds,
re-adjust the clutch or see your dealer.
Engine Maintenance
Refer to the ENGINE MANUAL for all engine mainte-
nance procedures and recommendations.
17