Yanmar SA424 - Parking Brake Safety Switch Check; Drive Pedal Switch Safety Check; PTO, Parking Brake, Seat Switch Interface Test

14. PERIODIC SERVICE
14-11
SA221/324/424 Operation Manual
2. Parking Brake Safety Switch
1. Sit on the operator seat.
2. Engage the parking brake securely, for details,
see "6. Lock and Set the Parking Brake" on page
7-3.
3. Release the forward and reverse drive pedal to N
(neutral) position.
4. Push down Power Take Off (PTO) switch to OFF
position.
5. Disengage the parking brake.
6. Turn the starter key switch to START position.
7. Turn the key to the OFF position.
8. Engage the parking brake securely, for details,
see "6. Lock and Set the Parking Brake" on page
7-3.
9. Turn the starter key switch to START position.
3. Forward and Reverse Drive Pedal
Switch
1. Sit on the operator seat.
2. Engage the parking brake securely, for details,
see "6. Lock and Set the Parking Brake" on page
7-3.
3. Release the forward and reverse drive pedal to N
(neutral) position.
4. Push down Power Take Off (PTO) switch to OFF
position.
5. Turn the starter key switch to START position to
run the engine.
6. Pull up the Power Take Off (PTO) switch to ON
position.
7. Move the Mid-/Rear Power Take Off (PTO) select
lever to front (both Mid and Rear PTO
engagement) position.
8. Disengage the parking brake.
9. Depress the reverse drive pedal.
10.Make sure that the Power Take Off (PTO) is not
running.
4. Power Take Off (PTO)/Parking Brake/
Seat Switch Interface
1. Sit on the operator seat.
2. Engage the parking brake securely, for details,
see "6. Lock and Set the Parking Brake" on page
7-3.
3. Release the forward and reverse drive pedal to N
(neutral) position.
4. Push down Power Take Off (PTO) switch to OFF
position.
5. Turn the starter key switch to START position.
6. Move the Mid-/Rear Power Take Off (PTO) select
lever to front (both Mid and Rear PTO
engagement) position.
7. Pull up Power Take Off (PTO) switch to ON
position.
8. Slightly rise up from the operator seat to remove
weight from the operator seat.
NOTE
● The engine starting combination as shown on the
chart below.
NOTE
●The engine must not crank when the parking
brake is disengaged.
NOTE
●The engine must crank when the parking brake is
engaged.
START
PARKING FORWARD/REVERSE PEDAL-N PTO (N)
NOTE
●The engine must crank.
IMPORTANT
●Do not dismount from the tractor.
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