5. NAMES AND FUNCTIONS OF COMPONENTS
SA221/324/424 Operation Manual
(1) Tachometer
Indicates the current engine speed in increments of
100 Revolutions Per Minute (rpm).
(2) Hour meter
Indicate the total accumulated operating hours.
(3) Fuel gauge
Indicates how much fuel is in the fuel tank while the
starter key switch is in the ON and START position.
(4) Alternator/battery charging light
Illuminates when:
●
The starter key switch is in the ON position and the
engine is not running.
●
The alternator/battery charging circuit is out of
order.
(5) Engine oil pressure warning light
The engine oil pressure warning light remains
illuminated when:
●
The starter key switch is in the ON position and the
engine is not running.
●
The engine oil pressure is abnormal.
(6) Coolant temperature warning light
The light illuminates when the current coolant
temperature in the engine is too high.
3. Instrument Panel, Switches and Hand Controls
(1)
(3)
(2)
(6)
(5)
(4)
IMPORTANT
●
While the engine is running, an illuminated
alternator/battery charging light indicates the
power generated by the alternator is too low.
• fully push the throttle control lever forward
• increase the engine speed
●
If the light still remains illuminated:
• immediately shut down the engine
• contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance
IMPORTANT
●
While the engine is running, an illuminated engine
oil pressure warning light indicates the engine oil
pressure is too low.
• immediately shut down the engine
• contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance
IMPORTANT
●
Decrease the load on the tractor:
• when the coolant temperature warning light
illuminates
●
To lower the coolant temperature:
• idle the engine until the coolant temperature
warning light turns off
• shut off the engine
• allow the engine to cool down
●
After the preceding actions, check the following:
• the coolant level in the radiator and in the
reserve tank is adequate
• the radiator and radiator screen are free from
dust deposits
• the alternator/fan belt tension is correct
For details, see “Chapter 14. PERIODIC SERVICE”
on page 14-1.
●
If the coolant temperature warning light
illuminates again:
• shut down the engine
• immediately contact YOUR LOCAL YANMAR
TRACTOR DEALER for technical assistance
SA221_324_424_OperatorsManual.book 12 ページ 2018年6月4日 月曜日 午後5時19分