SA221/324/424 Operation Manual
9. Make sure that the engine stop running after
about one second.
10.Move the Mid-/rear Power Take Off (PTO) select
lever to rear position.
11.Slightly rise up from the operator seat to remove
weight from the operator seat.
12.Confirm that Power Take Off (PTO) continues to
operate.
13.Sit on the operator seat.
14.Disengage the parking brake.
15.Slightly rise up from the operator seat to remove
weight from the operator seat.
16.Make sure that the engine is shut down.
17.Push down Power Take Off (PTO) switch to OFF
position.
18.Slightly rise up from the operator seat to remove
weight from the operator seat.
19.Confirm that Power Take Off (PTO) continues to
operate.
20.Sit on the operator seat.
21.Turn the starter key switch to OFF position.
■
Check the Retractable Seatbelt
1. Before operating the tractor:
• Always ensure that all the retractable seatbelt
mounting hardwares are in good working
condition.
2. Replace any damaged hardware.
■
Check the Roll-Over Protective
Structure (ROPS)
1. Before operating the tractor:
• Always ensure that the Roll-Over Protective
Structure (ROPS) mounting hardwares are in
correct working condition.
2. If any damage hardware is detected:
• Contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance.
■
Check the Wheel Bolt Tightening
Torque
Service Intervals
●
Regular intervals: Before daily operation.
●
After adjusting the tire tread width and after
replacing the tires:
• after 1 hour of operation
• every 4 hours after that until appropriate
tightening torque values are reached and
maintained
For more information on maintenance work on the
wheel bolt tightening torque, for details, see "Check
the Wheel Bolt Tightening Torque" on page 12-2.
■
Check the Tire Air Pressure
IMPORTANT
●
When checking above procedure, park the tractor
on solid and level ground. Make sure that the
tractor does not move even if parking brake is
disengaged.
IMPORTANT
●
Do not dismount from the tractor.
IMPORTANT
●
Do not dismount from the tractor.
IMPORTANT
●
Do not dismount from the tractor.
Avoid injury!
Improperly maintained tires and rim parts can
cause explosive separation of the wheels.
●
Mounting and dismounting of the tires into
and from the rim must be performed by an
authorized person using proper equipment.
●
Avoid inflating the tires above the
recommended tire air pressure.
●
Avoid standing in front of or over a tire
assembly during inflation.
●
Always use a clip-on chuck and extension
hose long enough for the tire to be inflated
from a safe distance.
●
Avoid attempting to weld or apply heat into a
rim and tire assembly.
• welding can structurally weaken or deform
the rim
• heat can cause an increase in tire air
pressure and result in an explosion
! WARNING
SA221_324_424_OperatorsManual.book 12 ページ 2018年6月4日 月曜日 午後5時19分