14. PERIODIC SERVICE
14-7
SA221/324/424 Operation Manual
5. Raise the hood.
6. Pull out the radiator cooling screen.
7. Remove straw and dust attached from the
radiator cooling screen.
(A) Radiator cooling screen
■ Clean the Radiator Cooling Fins
1. Park the tractor safely and securely.
• For details, see "7. Safe Practices for Parking the
Tractor" on page 1-7.
2. Shut off the engine.
3. Chock all the tires safely and securely.
4. Allow the engine to cool down for several
minutes.
5. Raise the hood.
6. Clean the radiator cooling fins from all dirt and
debris:
• From rear to front direction of the radiator.
• Use low pressure, compressed air or water.
• During the preceding procedure, maintain
maximum distance to the engine.
7. Install the radiator cooling screen.
8. Install the air intake hose.
(A) Rear to front direction
●ALWAYS stop the engine and remove the key
from the starter key switch before cleaning
the radiator cooling fins and the radiator
cooling screen.
Compressed air can explosively spray debris
and dirt over a wide area:
● Make sure there are no bystander/s near the
tractor.
●While using compressed air for cleaning,
always wear protective goggles.
●Reduce compressed air pressure to 30 psi
(210 kPa).
IMPORTANT: Avoid damage!
●To prevent overheating:
• keep the radiator cooling fins clean
●When cleaning the radiator cooling fins:
• avoid using pressure washers, which can
damage the radiator cooling fins
●Prevent the radiator cooling fins from bending:
• avoid spraying compressed air directly into the
radiator cooling fins
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