14. PERIODIC SERVICE
14-29
SA221/324/424 Operation Manual
22.Install the right dashboard cover.
23.Tighten the four bolts of steering column.
24.Tighten the two bolts of right/left dashboard
cover.
25.Tighten the three bolts of top dashboard cover.
26. Install the clevis pin and hairpin clip at the end of
the gas spring.
27.Lower the hood.
■ Service the Cooling System
1. Drain the Cooling System
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. Remove the radiator cap to reduce the pressure
in the radiator certainly.
• Loosen the radiator cap to the first stop.
• the preceding action releases excessive
pressure on the radiator
• Fully remove the radiator cap once the pressure
has been released completely.
7. Place a drain pan underneath the radiator drain
hose.
(A) Radiator cap
8. Pull out the drain hose from the radiator outward.
9. Pull out the drain hose clip and the plug from the
drain hose.
10.Immediately drain the flushing/cooling liquid.
• The preceding practice prevents rust and dirt
from settling down.
• Make sure to avoid touching and getting in
contact with hot engine components and hot
internal fluids.
11.Install the plug and the drain hose clip to the
radiator drain hose.
12.Put the end of drain hose under the radiator.
10. Every 1000 Hours
Avoid injury!
●Always allow the radiator to cool down:
• the radiator is hot and can cause burns
• the build up pressure in the cooling system
can cause the coolant to spray out
explosively during removal of the radiator
cap
●Always shut off the engine.
●Allow the engine to cool down.
●Remove the radiator cap only when:
• the radiator and the engine are sufficiently
cooled down that can be touched with bare
hands
●When removing the radiator cap, always:
• loosen the radiator cap to the first stop
• the preceding action releases excessive
pressure on the radiator
• fully remove the radiator cap once the
pressure has been released completely
●Add coolant or water to reserve tank, not to
the radiator, for details, see "Check the
Cooling System" on page 14-8.
SA221_324_424_OperatorsManual.book 29 ページ ２０１８年６月４日 月曜日 午後５時１９分
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