Mercury 15 EFI SeaPro Installation, Operation & Maintenance Manual page 82

AFTER EACH USE
• Flush the outboard cooling system with fresh water if operating in salt or
polluted water. Refer to Flushing the Cooling System.
• Wash off all salt deposits and flush out the exhaust outlet of the propeller
and gearcase with fresh water if operating in saltwater.
• If operating in saltwater, inspect the powerhead and powerhead
components for salt buildup. Refer to Cleaning Care
Recommendations.
EVERY 100 HOURS OF USE OR ONCE YEARLY, WHICHEVER
OCCURS FIRST
• Change engine oil and replace the oil filter. The oil should be changed
more often when the engine is operated under adverse conditions, such
as extended trolling. Refer to Engine Oil.
• Change the gear lubricant. Refer to Gearcase lubricant.
• Check water‑separating fuel filter for contaminants. Replace filter if
required. Refer to Fuel System.
•
Remove the propeller and lubricate the propeller shaft. Refer to Propeller
Replacement.
• Check corrosion control anodes. Check more frequently when used in
saltwater. Refer to Corrosion Control Anodes and Continuity Wire.
•
Drain and replace gearcase lubricant. Refer to Gearcase Lubricant.
•
Inspect battery. Refer to Battery Inspection.
• Saltwater usage: Remove and inspect spark plugs for corrosion and
replace as necessary. Apply Anti‑Seize Compound only onto the threads
of spark plug prior to installation. Refer to Spark Plug Inspection and
Replacement.
Tube Ref
Description
No.
Anti-Seize
81
Compound
• Add Quickleen to the fuel tank.
Tube Ref
Description
No.
Quickleen Engine &
Fuel System
Cleaner
• Check cowl seals to ensure seals are intact and not damaged.
• Check that the idle relief muffler is in place, if equipped.
• Inspect the thermostat visually for corrosion or a broken spring. Verify the
thermostat closes completely at room temperature—dealer service.
MAINTENANCE
Where Used
Spark plug threads
Where Used
Fuel tank
72
Part No.
92-898101389
Part No.
8M0047931
eng