Maintenance Schedule; Maintenance Intervals - Mercury MCM Series Important Information Manual

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Maintenance Intervals

Maintenance intervals and the tasks to be performed, as shown in this current schedule, or as found in a pre-
viously printed schedules, are generally based on an average boating application and environment. However,
individual operating habits and personal maintenance preferences can have an impact on the suggested inter-
vals. In consideration of these factors, MerCruiser has adjusted some maintenance intervals and corresponding
tasks to be performed. In some cases, this may allow for more individual tasks to be performed in a single visit
to the serving dealer, rather than multiple visits. Therefore, it is very important that the boat owner and servicing
dealer discuss the current Maintenance Schedule and develop appropriate maintenance intervals to coincide
with the individual operating habits, environment, and maintenance requirements.
Always disconnect battery cables from battery BEFORE working around electrical systems components to pre-
vent injury to yourself and damage to electrical system should a wire be accidentally shorted.
SCHEDULED MAINTENANCE THAT CAN BE PERFORMED BY OWNER/OPERATOR
NOTE: Only perform maintenance which applies to your particular power package.
Engine Crankcase Oil - Check level
Closed Cooling Coolant - Check level
Power Steering Fluid - Check level
Stern Drive Unit Oil - Check level
Battery - Check level and inspect for damage
Fuel Pump Sight Tube (If Equipped) - Check that no
fuel is present
Power Trim Pump Oil - Check level
Anodes - Inspect for erosion
Gear Housing Water Pickups - Check for marine
growth or debris
Drive Belt(s) - Inspect condition and check tension
Propeller Shaft - Lubricate
Power Package - Exterior Surfaces - Spray with rust
preventative
Power Package Exterior Surfaces - Clean and paint
Cooling System - Flush seawater section
Index
90-823224--2 796

Maintenance Schedule

Task
Interval
Weekly
Weekly
W
W
W
W
Every 100 hours of operation or 120 days.
Whichever occurs first.
Saltwater Use: Every 50 hours of operation or 60
days, Whichever occurs first.
days, Whichever occurs first.
Freshwater Use: Every 100 hours of operation or
120 days, Whichever occurs first.
Once a year
Saltwater Use: After every use.
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MAINTENANCE - 1B-1

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