Mercury TowSport Inboards, Manual

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SPECIFICATIONS AND MAINTENANCE
Page 74 90-864197020 MARCH 2002
0183
3 POINT MANUAL DRAIN SYSTEM
NOTE: Use this procedure if your engine is not equipped with an air actuated single point
drain system or if the single point drain system fails.
1. Close the seacock.
2. Remove the blue drain plug from the distribution housing (lower front, port side).
77917
a
a - Blue Drain Plug
3. Immediately remove the blue drain plug from the side of the thermostat housing. This
must be removed within 30 seconds to properly vent the cooling system.
77949
a
a - Blue Drain Plug Location