Mercury 3.0 MPI ECT User Manual

Section 4 - Maintenance
90-8M0113856 eng DECEMBER 2015 Page 37
Section 4 - Maintenance
Table of Contents
General Information.............................................................. 38
Owner/Operator Responsibilities................................... 38
Dealer Responsibilities.................................................. 38
Maintenance.................................................................. 38
Do‑It‑Yourself Maintenance Suggestions...................... 38
Inspection...................................................................... 39
Sealed Carburetor Mixture Screw..................................39
Maintenance Schedules—3.0 MPI ECT............................... 39
Routine Maintenance..................................................... 39
Scheduled Maintenance................................................ 40
Scheduled Maintenance Procedures Specifically for 3.0 MPI
ECT...................................................................................... 41
Cleaning the Flame Arrestor.......................................... 41
Cleaning the IAC Muffler................................................41
Inspecting the Fuel Pump Sight Tube............................42
Drive Belts..................................................................... 43
Checking ............................................................... 43
Replacing Belts on Front Mount Models ............... 43
Power Steering Pump Drive Belt .................... 43
Alternator Belt ................................................ 43
Replacing Belts on Side Mount Models ................. 44
Power Steering Pump Drive Belt .................... 44
Alternator Belt ................................................ 44
Maintenance Schedules—3.0 TKS....................................... 44
Routine Maintenance..................................................... 44
Scheduled Maintenance................................................ 45
Scheduled Maintenance Procedures Specifically for 3.0 TKS
.............................................................................................. 46
Cleaning the Flame Arrestor.......................................... 46
Positive Crankcase Ventilation Valve (PCV) ......... 47
Changing ........................................................ 47
Fuel Pump Sight Tube Inspection..................................47
Drive Belts..................................................................... 48
Checking ............................................................... 48
Replacing ‑ Front Mount Models ........................... 48
Power Steering Pump Drive Belt, if equipped 48
Alternator Belt ................................................ 48
Replacing ‑ Side Mount Models ............................ 49
Power Steering Pump Drive Belt, if equipped 49
Alternator Belt ................................................ 49
Changing the Water‑Separating Fuel Filter.......................... 49
Engine Oil—3.0 MPI ECT..................................................... 50
Checking and Filling...................................................... 50
Changing the Oil and Filter............................................ 51
Engine Oil—3.0 TKS............................................................ 52
Checking and Filling...................................................... 52
Changing the Oil and Filter............................................ 52
Power‑Assisted Steering Fluid—3.0 MPI ECT..................... 53
Checking........................................................................ 53
Filling............................................................................. 53
Changing....................................................................... 54
Power‑Assisted Steering Fluid—3.0 TKS............................. 54
Checking ....................................................................... 54
Filling ............................................................................ 54
Changing ...................................................................... 54
Engine Coolant—3.0 MPI ECT............................................. 55
Checking........................................................................ 55
Filling............................................................................. 56
Changing ...................................................................... 56
Engine Coolant—3.0 TKS.................................................... 56
Checking ....................................................................... 56
Filling ............................................................................ 57
Changing ..................................................................... 57
Alpha Sterndrive Gear Lube................................................. 57
Checking ....................................................................... 57
Filling ............................................................................ 58
Changing ...................................................................... 59
Power Trim Fluid.................................................................. 60
Checking ....................................................................... 60
Filling ............................................................................ 60
Changing ...................................................................... 61
Lubrication............................................................................ 61
Steering System............................................................ 61
Throttle Cable—3.0 MPI ECT........................................ 62
Throttle Cable—3.0 TKS................................................63
Shift Plate Control Cable Lubrication............................. 63
Driveshaft U‑joint Splines and O‑Rings (Sterndrive Unit
Removed)...................................................................... 64
Engine Coupler.............................................................. 64
Driveshaft Extension Models......................................... 64
Propellers............................................................................. 65
Propeller Repair............................................................. 65
Alpha Propeller Removal............................................... 65
Alpha Propeller Installation............................................ 65
Flushing the Power Package................................................ 66
Flushing Attachments ................................................... 66
Sterndrive Water Pickups ............................................. 67
Battery.................................................................................. 68
Corrosion Protection............................................................. 68
Painting Your Power Package ...................................... 72
4

Mercury 3.0 MPI ECT Specifications

General

Brand	Mercury
Model	3.0 MPI ECT
Category	Outboard Motor
Language	English