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13. Coolant
SCALD HAZARD! NEVER REMOVE THE COOLANT BOTTLE CAP IF THE ENGINE IS
HOT. STEAM AND HOT COOLANT WILL SPURT OUT AND CAUSE INJURY. TIGHTEN
THE CAP SECURELY AFTER BEING REMOVED. STEAM CAN SPURT OUT DURING
BURN HAZARD! WAIT UNTIL THE ENGINE COOLS BEFORE YOU DRAIN THE
ENGINE COOLANT. HOT ENGINE COOLANT MAY SPLASH AND BURN YOU.
• Yanmar recommend a coolant mix of 50% clean tap water and 50% antifreeze.
• Open the calorifier taps (if fitted) to fill the calorifier system and displace air.
• To fill the cooling system for the first time, fill the boat skin via the inlet hose connection
or filler plug if fitted.
• Fill the engine through the white plastic expansion tank.
• Bleed skin tank.
RDG603A81 – Issue 2
Figure 13: Secondary Fuel Filter Head (129004-55612-9)
ENGINE OPERATION IF THE CAP IS LOOSE.
WARNING:
WARNING:
Page 28 of 93
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