Section 5 - Maintenance
90-864839070 AUGUST 2007
Page 109
7. Verify that water is draining from each opening. If not, use the
Manual Drain System
instructions.
a
b
17254
a -
Port side drain location
b -
Starboard side drain location
8. Allow the system to drain for a minimum of five minutes. Pump air as necessary to keep
the green indicators extended.
9. For DTS engines, pull the lanyard stop switch (if equipped), or disable the ignition circuit
by pulling the fuse marked "CD".
10. Crank the engine over slightly with starter motor to purge any water trapped in the
seawater pump. Do not allow engine to start.
11. Remove the air pump from the air manifold and return it to the mounting bracket.
12. Mercury MerCruiser recommends leaving the drain system open while transporting the
boat or while performing other maintenance. This helps ensure that all water is drained.
13. Before launching the boat, pull up on the manual release valve. Verify that the green
indicators are no longer extended.
a
6135
a -
Green indicators
Manual Drain System
BOAT IN THE WATER
NOTE: Use this procedure if the air actuated single point drain system fails.
NOTE: It may be necessary to lift, bend, or lower hoses to allow water to completely drain
when hoses are disconnected.
1. Close the seacock (if equipped) or remove and plug the water inlet hose.
Summary of Contents for 8.1 MAG
Page 46: ...Section 2 Getting to Know Your Power Package Notes Page 38 90 864839070 AUGUST 2007 ...
Page 62: ...Section 3 On The Water Notes Page 54 90 864839070 AUGUST 2007 ...
Page 68: ...Section 4 Specifications Notes Page 60 90 864839070 AUGUST 2007 ...
Page 130: ...Section 5 Maintenance Notes Page 122 90 864839070 AUGUST 2007 ...
Page 148: ...Section 7 Troubleshooting Notes Page 140 90 864839070 AUGUST 2007 ...