Unitor HPC Extreme 520 Specifications download pdf (Page 102)

Maintenance

Coolant. Draining.

The engine must be stopped before draining, and

the filler cap unscrewed.

WARNING! Do not open the filler cap when the

engine is warm, except in emergencies. Steam

or hot fluid could spray out.

Open the drain taps and remove the drain plugs (posi-

tions are shown below). Unscrew and empty the cool-

ant filter if installed.

IMPORTANT! Deposits, which must be cleared

away, may be found inside the drain plugs/taps.

Check that all coolant really does drain out.

Drain/vent taps. Location

Drain plugs (P):

– under the radiator

– beside cyl. 3 or cyl. 5 (4 or 6-cylinder engines)

– under the oil cooler

Vent tap (1):

– On the coolant pump

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Unitor HPC Extreme 520 Specifications Page 102