Mercury 300R HD CMS Mechanical Operation And Maintenance Manual page 8

Operation
Important Daily Inspection Before Each Use ................................................... 36
Prestarting Check List....................................................................................... 36
Operating in Freezing Temperatures................................................................ 36
Operating in Saltwater or Polluted Water......................................................... 37
Operating at High Elevations............................................................................ 37
Effects of Elevation and Weather on Performance........................................... 37
Setting Trim Angle while Running Engine at Idle Speed.................................. 38
Engine Break-in Procedure............................................................................... 39
Fuel Supply Module Priming Procedure........................................................... 39
Starting the Engine........................................................................................... 41
Gear Shifting..................................................................................................... 44
Stopping the Engine......................................................................................... 45
Maintenance
Cleaning Care Recommendations.................................................................... 46
EPA Emissions Regulations............................................................................. 48
Inspection and Maintenance Schedule............................................................. 49
300R HD Models Maintenance Schedule Decal............................................... 51
Flushing the Cooling System............................................................................ 52
Top Cowl Removal and Installation.................................................................. 52
Battery Inspection ............................................................................................ 54
Battery Cables and Clean Power Harness....................................................... 55
Fuel System...................................................................................................... 57
Corrosion Control Anode.................................................................................. 59
Propeller Replacement-31.75 mm (1-1/4 in.) Diameter Propeller Shaft......... 60
Spark Plug Inspection and Replacement.......................................................... 61
Fuses................................................................................................................ 64
Alternator Drive Belt ......................................................................................... 66
Lubrication Points............................................................................................. 66
Trim Thrust Guide Wear Pad............................................................................ 68
Checking Power Trim Fluid (Single-Ram Trim)................................................ 69
Checking Hydraulic Steering Fluid.................................................................... 70
Checking Power Steering Fluid........................................................................ 70
Changing Engine Oil and Filter......................................................................... 71
Checking Engine Oil Level................................................................................ 76
Exhaust Water Strainer Inspection................................................................... 77
Gearcase Lubricant.......................................................................................... 78
vi
eng