![Mercury Optimax 150 Operation, Maintenance And Installation Manual Download Page 58](http://html1.mh-extra.com/html/mercury/optimax-150/optimax-150_operation-maintenance-and-installation-manual_1773184058.webp)
•
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 Inspection
—dealer service.
•
Replace the spark plugs.
BEFORE PERIODS OF STORAGE
•
Refer to
Storage
section.
Maintenance Schedule Decal (150 FourStroke)
The following table shows the icons and a general description of the
maintenance schedule decal located on the engine.
58260
1.
Replace the water pump impeller more often if overheating occurs or reduced water pressure is noted.
MAINTENANCE
48
eng