MAINTENANCE SERVICE MANUAL NUMBER 22
Page 1B-8 90-860074--1 FEBRUARY 2002
Sterndrive (MCM) Engines
Routine Maintenance *
Each
Day
Start
Each
Day
End
Weekly
Every
Two
Months
Check crankcase oil (interval can be extended based on experi-
ence).
D
If operating in salt, brackish or polluted waters, flush cooling sys-
tem after each use.
D
Drain any water from fuel filter after each use (If operating in freez-
ing temperatures).
D
Check drive unit oil level, trim pump oil level and power steering
pump fluid level.
D
Check water pickups for debris or marine growth. Check water
strainer and clean. Check coolant level.
D
Inspect drive unit anodes and replace if 50 percent eroded.
D
Check battery connections and fluid level.
D
Lubricate propeller shaft and the retorque nut (if operating in only
freshwater, this maintenance may be extended to every four
months).
D
Operating in Saltwater Only: treat engine surface with corrosion
guard.
D
Clean air filter every 50 hours of operation.
D
Ensure that the gauges and the wiring connections are secure.
Clean the gauges.
1
D
* Only perform maintenance which applies to your particular power package.
1
Or every 50 hours, whichever occurs first. If operating in saltwater, interval is reduced to every 25 hours or 30 days
whichever occurs first
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