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MAINTENANCE
FIGURE D.4 – COOLING SYSTEM
RADIATOR CAP
RESERVE TANK
RADIATOR DRAIN COCK
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CHECKING/ADDING/DRAINING RADIATOR COOL- ANT: Check the level of coolant in the reserve tank. The level is sufficient if it is between the “FULL” and the “LOW” marks. If the level is below the “LOW” mark, add fresh, water/antifreeze mixture to the “FULL” mark. Check the two drain cocks for tightness (one at the bottom side of the radiator, one on the side of the engine). See Figure D.4.
CLEAN SPARK ARRESTER SCREEN: If the muffler has the optional spark arrester, remove it every 50 hours or once a year, whichever comes first, and inspect it. Clean the arrester. Replace it if you find any damage.
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WARNING
To avoid personal injury, never remove the radiator pressure cap nor the reserve tank cap while the engine is running under heavy load or immediately after it has stopped. Hot water may gush out, which can scald people nearby.
To drain the cooling system, open both the radiator and the engine drain cocks (Figure D.4). Also open the radiator cap. Tighten both cocks and refill the radiator with fresh coolant. A 50/50 antifreeze/water solution should be used year round.
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