Mercury 75 Operation Maintenance Warranty Installation Manual page 85

Description
Outboard mounting locknuts and
bolts – standard boat transom
Outboard mounting locknuts and
bolts – metal lift plates and setback
brackets
• Check the propeller blades for damage.
• Inspect all hoses, clamps, fittings, tubing, sealing gaskets, and mounting
hardware for wear.
AFTER EACH SALTWATER OR POLLUTED WATER USE
• Flush all internal passages with fresh water.
• Wash the power package exterior (cowl, midsection, and gearcase) with
fresh water.
• Flush the propeller and gearcase exhaust outlet with fresh water.
• Remove the cowl and wipe off any saltwater spray with a damp cloth.
EVERY 25 HOURS OR EVERY 30 DAYS OF SALTWATER OR
POLLUTED WATER USE
• Spray the powerhead and all external, unpainted metal surfaces (except
anodes) with Corrosion Guard.
Tube Ref
No.
120
EVERY 25 HOURS OR EVERY 30 DAYS, WHICHEVER OCCURS FIRST
• Verify that the front and side cowl latches are tight. Tighten them if
necessary.
• Inspect the fuel and oil systems for deterioration or leaks.
• Inspect the hydraulic steering hoses for deterioration or leaks.
• Inspect the steering link rod fasteners for wear. Lubricate all of the
specified components. Check all attachment hardware to ensure proper
torque.
• Check the level and condition of the gearcase lubricant.
• Check the alternator belt tension.
EVERY 50 HOURS OR ONCE A YEAR, WHICHEVER OCCURS FIRST
• Lubricate all of the lubrication points listed in the manual.
•
Lubricate the splines on the driveshaft.
• Lubricate the length of driveshaft with Extreme Grease.
1. These items should be serviced by an authorized dealer.
eng
MAINTENANCE
Description
Corrosion Guard
Nm
75
122
Where Used
Powerhead and all external, unpainted
metal surfaces (except anodes)
1.
75
lb‑in. lb‑ft
– 55
– 90
Part No.
92-802878 55