Mercury MerCruiser 5.7 Horizon, User Manual

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Section 5 - Maintenance
90-899883173 DECEMBER 2007 Page 59
Section 5 - Maintenance
Table of Contents
Owner/Operator Responsibilities........................ 60
Dealer Responsibilities....................................... 60
Maintenance....................................................... 60
Do-It-Yourself Maintenance Suggestions........... 61
Inspection........................................................... 61
Maintenance Schedule—Inboard Models........... 62
Routine Maintenance....................................62
Scheduled Maintenance................................62
Maintenance Log................................................ 63
Engine Oil........................................................... 64
Checking.......................................................64
Filling.............................................................64
Changing Oil and Filter.................................65
Easy Engine Oil Drain System......................65
Engine Oil Drain Pump..................................66
Changing the Oil Filter..................................67
Transmission Fluid.............................................. 67
Checking While the Engine is Warm ............ 67
Checking While Engine is Cold .................... 68
Changing ...................................................... 68
Engine Coolant................................................... 68
Checking.......................................................68
Filling.............................................................69
Changing ......................................................70
Battery................................................................ 70
Multiple EFI Engine Battery Precautions.......70
Cleaning the Flame Arrestor............................... 71
Positive Crankcase Ventilation Valve
(PCV) ........................................................... 72
Changing ................................................ 72
Cleaning The IAC Muffler................................... 72
Water-Separating Fuel Filter............................... 73
GEN III Models..............................................74
Removal ................................................. 74
Installation .............................................. 75
Lubrication.......................................................... 75
Throttle Cable................................................75
Transmission Linkage...................................76
Serpentine Drive Belt.......................................... 77
Checking ...................................................... 77
Replacing Belt and/or Adjusting Tension ..... 77
Flushing The Power Package............................. 78
Horizon Models ............................................ 78
The Boat Out of the Water ........................... 80
The Boat In the Water .................................. 81
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