SA221/324/424 Operation Manual
2. Fill the cooling system with approximately 3.0 US
qt. (2.8 L) of coolant.
3. Install and tighten the radiator cap.
4. Start and run the engine until the operating
temperature is reached.
5. Shut off the engine.
6. Check the reserve tank coolant level.
7. Add coolant as necessary.
8. Lower the hood.
■
Recommended Engine Coolant
The Following Coolant is Recommended
●
High Quality Permanent Type Antifreeze (Ethylene
Glycol with corrosion and rust inhibitor chemicals).
●
Before using the coolant:
• read and understand the instructions and data on
the coolant's container
• make sure that the coolant is suitable for the
engine
●
Immediately after purchasing the tractor:
• make sure that the blend ratio of the coolant is in
accordance with the climate of the work area
• the preceding practice contributes to make the
entire tractor system function normally
●
Replace the coolant in the following cases:
• after 1000 hours of operation or 2 years
whichever comes first
• the cooling system is flushed
Follow the instructions on the antifreeze container or
contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance.
●
Avoid exceeding the maximum dilution ratio for the
coolant.
●
Exceeding the preceding ratio can jeopardize the
effectiveness of the coolant.
■
Replace the Air Cleaner Element
For the maintenance work, see “Service the Air
Cleaner Element” on page 14-21.
■
Replace the Thermostat
Contact YOUR LOCAL YANMAR TRACTOR
DEALER.
11. Every 1 Year
12. Every 2 Years or 2000 Hours
13. General Maintenance
Avoid injury!
●
The rubber product/s has/have a deteriorative
character. The deteriorated rubber product/s
may cause defects and damages such as fluid
leakage, loss control of the tractor during
operation, fire, burn injury.
NOTE
●
Replace the air cleaner element at least once a
year.
●
Replace the coolant once every 2 years or 1000
hours.
●
Replace the radiator hoses at least once every 2
years.
●
Replace the fuel hoses at least once every 2
years.
●
Replace the air intake hose at least once every 2
years.
●
Replace the power steering hoses at least once
every 2 years.
! WARNING
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