Mercury MerCruiser Horizon 8.2 ECT

Section 5 - Maintenance
90-8M0061999 eng MAY 2012 Page 47
Section 5 - Maintenance
Table of Contents
Owner/Operator Responsibilities.......................................... 48
Dealer Responsibilities......................................................... 48
Maintenance......................................................................... 48
Do‑It‑Yourself Maintenance Suggestions............................. 48
Inspection............................................................................. 49
Maintenance Schedule—Inboard Models............................. 49
Routine Maintenance..................................................... 49
Scheduled Maintenance................................................ 49
Maintenance Log.................................................................. 50
Engine Oil............................................................................. 51
Checking........................................................................ 51
Filling............................................................................. 51
Changing Oil and Filter.................................................. 52
Engine Oil Drain Pump.................................................. 52
Changing the Oil Filter................................................... 53
Transmission Fluid............................................................... 53
Checking While Engine is Warm .................................. 53
Checking While Engine is Cold .................................... 54
Transmission Fluid ....................................................... 54
Changing ...................................................................... 54
Closed Cooling System........................................................ 54
Coolant Requirement..................................................... 54
Checking Coolant Level................................................. 55
.............................................................................. 55
Filling the Closed Cooling System................................. 55
Draining......................................................................... 56
Cleaning.........................................................................56
Battery.................................................................................. 56
Multiple EFI Engine Battery Precautions....................... 56
Cleaning the Flame Arrester................................................. 57
Changing the Positive Crankcase Ventilation Valve (PCV)
.............................................................................................. 57
Water‑Separating Fuel Filter................................................ 58
GEN III Models.............................................................. 59
Removal ................................................................ 59
Installation ............................................................. 59
Serpentine Drive Belt............................................................ 60
Inspection...................................................................... 60
Checking........................................................................ 60
Replacing....................................................................... 61
Flushing the Seawater System—Inboard Models................ 62
The Boat Out of the Water—Inboard Models................ 62
The Boat in the Water—Inboard Models....................... 63
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