Great Dane GDRZ72-28KHE Manual De Usuario
Operating - 11
OPERATING
The safety systems installed on your machine should be
checked before each machine use. Be sure you have read
the machine operator manual and are completely familiar
with the operation of the machine before performing these
safety system checks.
checked before each machine use. Be sure you have read
the machine operator manual and are completely familiar
with the operation of the machine before performing these
safety system checks.
Use the following checkout procedures to check for normal
operation of machine.
operation of machine.
If there is a malfunction during one of these procedures, do
not operate machine. See your authorized dealer for
service.
not operate machine. See your authorized dealer for
service.
Perform these tests in a clear open area. Keep bystanders
away.
away.
Testing PTO Switch
1. Sit on the operator seat with the motion control levers in
the neutral detent position (standard levers) or neutral lock
position (optional “over the lap” levers).
the neutral detent position (standard levers) or neutral lock
position (optional “over the lap” levers).
2. Lock the park brake.
3. Pull PTO knob up to engage.
4. Turn key switch to the start position.
Result: The engine must not crank.
Testing Park Brake Switch
1. Sit on the operator seat with the motion control levers in
the neutral detent position (standard levers) or neutral lock
position (optional “over the lap” levers).
the neutral detent position (standard levers) or neutral lock
position (optional “over the lap” levers).
2. Push PTO knob down to disengage.
3. Unlock the park brake.
4. Turn key switch to the start position.
Result: The engine must not crank.
Testing Neutral Start Switch
NOTE: Repeat this test three times, with the motion
control levers in the following positions:
control levers in the following positions:
•
Right side motion control lever inward.
•
Left side motion control lever inward.
•
Both motion control levers inward.
1. Move motion control lever(s) out of the neutral detent
position (standard levers) or neutral lock position (optional
“over the lap” levers).
position (standard levers) or neutral lock position (optional
“over the lap” levers).
2. Lock the park brake.
3. Push PTO knob down to disengage.
4. Turn key switch to the start position.
Result: The engine must not crank.
Testing Seat Switch
Procedure 1:
1. Sit on the operator seat with the motion control levers in
the neutral detent position (standard levers) or neutral lock
position (optional “over the lap” levers).
the neutral detent position (standard levers) or neutral lock
position (optional “over the lap” levers).
2. Unlock the park brake.
3. Push PTO knob down to disengage.
4. Turn key switch to the start position.
5. Raise slightly off the seat.
Result: The engine must stop.
Procedure 2:
1. Start engine.
2. Lock the park brake.
3. Pull PTO knob up to engage.
4. Raise slightly off the seat.
Result: The engine must stop.
Testing the Park Brake
MIF
1. Stop machine on a 17° slope (30% grade). Stop the
engine and lock the park brake.
engine and lock the park brake.
Result: Park brake must hold the machine stationary.
(Machine should move no more that 61 cm (24 in.) in one
hour.) If machine moves more than that, brakes need to be
adjusted. See Adjusting Park Brake in the Service Steering
& Brakes section.
(Machine should move no more that 61 cm (24 in.) in one
hour.) If machine moves more than that, brakes need to be
adjusted. See Adjusting Park Brake in the Service Steering
& Brakes section.
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CAUTION: Avoid injury! Before engaging
mower, make sure that area is clear of
bystanders, especially children.
bystanders, especially children.