•
Check cowl seals to ensure seals are intact and not damaged.
•
Check that the intake silencer is in place, if equipped.
•
Check that the idle relief muffler is in place, if equipped.
•
Check for loose hose clamps and rubber boots on the air intake
assembly, if equipped.
EVERY 300 HOURS OF USE OR THREE YEARS
•
Check power trim fluid. Refer to
Checking Power Trim Fluid
.
•
Lubricate all lubrication points. Lubricate more frequently when used in
saltwater. Refer to
Lubrication Points
.
•
Replace water pump impeller—dealer service.
1.
•
Lubricate the splines on the upper driveshaft—dealer service.
•
Check wiring and connectors—dealer service.
•
Replace alternator drive belt. Refer to
Alternator Drive Belt
—dealer
service.
•
Replace the spark plugs.
•
Inspect the trim thrust guide wear pads.
BEFORE PERIODS OF STORAGE
•
Refer to
Storage
section.
300R HD Models Maintenance Schedule Decal
65585
1.
Replace the water pump impeller more often if overheating occurs or reduced water pressure is noted.
MAINTENANCE
eng
51
Summary of Contents for 300R HD CMS Mechanical
Page 1: ...Operation and Maintenance Manual 2018 Mercury Marine 300R HD CMS Mechanical 8M0140585 518 eng...
Page 2: ...eng...
Page 6: ...eng iv...
Page 10: ...eng viii...