Section 4 - Maintenance
90-8M0113987 eng DECEMBER 2015 Page 39
3. Remove and inspect the propeller. If badly nicked, bent, or cracked, contact your Mercury Diesel authorized repair facility.
4. Repair nicks and corrosion damage on power package exterior finish. Contact your Mercury Diesel authorized repair
facility.
It may be necessary to remove the engine cover during some maintenance inspections and procedures. To remove the engine
cover:
NOTE: The engine cover contains an access panel which can be used to access the engine circuit breakers and the oil fill cap
and dipstick without removing the entire engine cover.
1. Lift and detach the engine cover from the mounts.
Typical engine cover Engine cover with access panel showing
a - Engine cover
b - Engine cover access panel location
2. Set the engine cover over the mounts and press the cover down in the mount areas to reattach the engine cover.
Maintenance Schedules
Routine Maintenance
IMPORTANT: Some procedures can be done by the owner or operator, while others should be performed by a Mercury Diesel
authorized repair facility. Before attempting maintenance or repair procedures not covered in this manual we recommended
that you purchase the appropriate Mercury Service Manual, and read it thoroughly.
NOTE: Only perform maintenance that applies to your particular power package.
Task Interval
Maintenance to Be Performed
Each day start
• Check the engine oil level. This task interval can be extended based on operator experience
with the product.
• Check the engine coolant level.
• Check the power‑assisted steering fluid level.
• Check the sterndrive gear lube level in the gear lube monitor.
Each day end
• If operating in saltwater, brackish water, or polluted water, flush the seawater section of the
cooling system after each use.
• Drain any water from the primary fuel filter after each use. Drain any water from both fuel
filters if operating in freezing temperatures.
Weekly
• Drain any water from the fuel filters.
• Check the trim pump fluid level.
• Check the seawater inlets for debris or marine growth.
• Check and clean the seawater strainer.
• Inspect the sterndrive anodes and replace if eroded 50% or more.
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