Mercury 350 MAG - Section 5 - Maintenance

Section 5 - Maintenance
90-8M0050539 eng MAY 2011 Page 71
Section 5 - Maintenance
Table of Contents
Additional Operation Instructions for Axius Systems ........... 73
Owner/Operator Responsibilities.......................................... 73
Dealer Responsibilities......................................................... 73
Maintenance......................................................................... 73
Do‑It‑Yourself Maintenance Suggestions............................. 73
Inspection............................................................................. 74
Maintenance Schedules—350/377 MAG ECT and SeaCore
350/377 MAG ECT............................................................... 74
Routine Maintenance.....................................................74
Scheduled Maintenance................................................75
Maintenance Schedules—350/377 MAG and SeaCore 350/377
MAG..................................................................................... 76
Routine Maintenance.....................................................76
Scheduled Maintenance................................................77
Maintenance Log.................................................................. 78
Engine Oil—350/377 MAG ECT and SeaCore 350/377 MAG
ECT...................................................................................... 79
Checking........................................................................79
Filling.............................................................................79
Changing Oil and Filter..................................................80
Engine Oil Drain Pump..................................................80
Changing Filter..............................................................80
Engine Oil—350/377 MAG and SeaCore 350/377 MAG...... 81
Checking........................................................................81
Filling.............................................................................81
Changing Oil and Filter..................................................82
Engine Oil Drain Pump..................................................82
Changing Filter..............................................................82
Power Steering Fluid............................................................ 83
Power Steering Fluid—350/377 MAG ECT and SeaCore
350/377 MAG ECT........................................................83
Checking ............................................................... 83
Filling ..................................................................... 83
Changing ............................................................... 83
Power Steering Fluid—350/377 MAG and SeaCore
350/377 MAG.................................................................83
Checking ............................................................... 83
Filling ..................................................................... 84
Changing ............................................................... 84
Engine Coolant—350/377 MAG ECT and SeaCore 350/377
MAG ECT............................................................................. 84
Checking........................................................................84
Filling.............................................................................85
Changing ......................................................................86
Engine Coolant—350/377 MAG and SeaCore 350/377 MAG
.............................................................................................. 86
Checking ....................................................................... 86
Filling ............................................................................ 87
Changing ..................................................................... 87
Alpha Sterndrive Gear Lube................................................. 87
Checking ....................................................................... 88
Filling ............................................................................ 88
Changing ...................................................................... 88
Sterndrive Gear Lube........................................................... 90
Checking........................................................................90
Filling.............................................................................90
Changing.......................................................................90
Power Trim Fluid.................................................................. 92
Checking ....................................................................... 92
Filling ............................................................................ 92
Changing ...................................................................... 93
Battery.................................................................................. 93
Multiple EFI Engine Battery Precautions.......................93
Scheduled Maintenance Specifically for 350/377 MAG ECT and
SeaCore 350/377 MAG ECT ............................................... 93
Cleaning the Flame Arrestor..........................................93
Positive Crankcase Ventilation Valve (PCV) ......... 94
Changing ........................................................ 94
Cleaning the IAC Muffler................................................95
Scheduled Maintenance Specifically for 350/377 MAG and
SeaCore 350/377 MAG........................................................ 96
Cleaning the Flame Arrestor..........................................96
Positive Crankcase Ventilation Valve (PCV) ......... 97
Changing ........................................................ 97
Water‑Separating Fuel Filter (MPI)....................................... 97
Water‑Separating Fuel Filter..........................................97
GEN II Models...............................................................97
Removal ................................................................ 97
Installation ............................................................. 98
GEN III Models..............................................................98
Removal ................................................................ 98
Installation ............................................................. 99
Lubrication............................................................................ 99
Steering System............................................................99
Throttle Cable..............................................................101
Shift Cable ‑ Typical.....................................................101
Sterndrive U‑joint Shaft Splines And O‑rings (Sterndrive
Unit Removed).............................................................102
Engine Coupler............................................................102
Driveshaft Extension Models.......................................103
Propellers........................................................................... 103
Propeller Repair...........................................................103
Alpha Propeller Removal.............................................103
Alpha Propeller Installation..........................................103
Bravo One Propeller Removal.....................................104
Bravo One Propeller Installation..................................104
Bravo Two Propeller Removal.....................................105
Bravo Two Propeller Installation..................................106
Bravo Three Propeller Removal..................................106
Bravo Three Propeller Installation...............................107
Serpentine Drive Belt.......................................................... 109
Checking ..................................................................... 109
Replacing Belt and/or Adjusting Tension .................... 109
Corrosion Protection........................................................... 110
Corrosion Information..................................................110
Maintaining Ground Circuit Continuity.........................110
MerCathode System Battery Requirements................110
Anodes and MerCathode System Locations...............110
Checking the Quicksilver MerCathode System...........111
Power Package Exterior Surfaces...............................112
Boat Bottom Care........................................................112
Anti‑fouling Paint..........................................................112
Sterndrive Surface Care..............................................114
Flushing the Power Package—Alpha................................. 114
Flushing Attachments ................................................. 115
Sterndrive Water Pickups ........................................... 115
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