Mercury 45 User Manual

MAINTENANCE
55
Inspection And Maintenance Schedule
BEFORE EACH USE
• Check that lanyard stop switch stops the engine.
• Visually inspect the fuel system for deterioration or leaks.
• Check outboard for tightness on transom.
• Check steering system for binding or loose components.
• Remote control models - Visually check steering link rod fasteners for proper tightness. See Steering Link
Rod Fasteners.
• Check propeller blades for damage.
AFTER EACH USE
• Flush out the outboard cooling system if operating in salt or polluted water. See 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 salt water.
EVERY 100 HOURS OF USE OR ONCE YEARLY, WHICHEVER OCCURS FIRST
• Lubricate all lubrication points. Lubricate more frequently when used in salt water. See Lubrication Points.
• Inspect and clean spark plugs. See Spark Plug Inspection and Replacement.
• Check engine fuel filter for contaminants. See Fuel System.
• Adjust carburators. (If required)
1.
•
Check engine timing setup.
1.
• Check corrosion control anodes. Check more frequently when used in salt water. See Corrosion Control
Anodes.
• Drain and replace gearcase lubricant. See Gearcase Lubrication.
•
Lubricate splines on the driveshaft.
1.
• Check power trim fluid. See Checking Power Trim Fluid.
• Inspect battery. See Battery Inspection.
•
Check control cable adjustments.
1.
• Remove engine deposits with Mercury Precision or Quicksilver Power Tune Engine Cleaner.
• Check tightness of bolts, nuts, and other fasteners.
EVERY 300 HOURS OF USE OR THREE YEARS
•
Replace water pump impeller (more often if overheating occurs or reduced water pressure is noted).
1.
BEFORE PERIODS OF STORAGE
• Refer to Storage procedure. See Storage section.
Flushing The Cooling System
Flush the internal water passages of the outboard with fresh water after each use in salt, polluted, or muddy water.
This will help prevent a buildup of deposits from clogging the internal water passages.
Use a Mercury Precision or Quicksilver accessory (or equivalent) flushing attachment.
!
WARNING
To avoid possible injury when flushing, remove the propeller. Refer to Propeller Replacement, following.
1. Remove propeller. Refer to Propeller Replacement. Install the flushing attachment so the rubber cups fit
tightly over the cooling water intake.
1.
These items should be serviced by an authorized dealer.

Mercury 45 Specifications

General

Brand	Mercury
Model	45
Category	Outboard Motor
Language	English