90 50950106/AP0313
Draining/Flushing the Cooling System
1. Drain, flush and refill once every year or at 1,000 operating hours.
2. Lower the lift arm and stop the engine. Allow the machine to cool.
3. Raise the engine cover and open the rear grille (page 70).
4. Remove the radiator cap on the coolant tank.
5. Open the drain cock on the radiator
(Figure 49) and drain the coolant into
a suitable container.
Note: Coolant must be drained from the
radiator and the engine.
6. Close the drain cock.
Note: Protect the cooling system by
adding premixed 50% water and 50%
ethylene glycol to the system.
7. Fill the radiator fully and the coolant
tank to half full.
8. Reinstall the radiator cap and run the engine until it is at operating tempera-
ture.
9. Stop the engine and let it cool. Check the coolant level. Add more fluid, if
necessary.
Figure 49 Radiator Drain Cock
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