Mercury MerCruiser 8.2 Horizon ECT - Page 41

Section 4 - Maintenance
90-8M0113925 eng DECEMBER 2015 Page 33
Section 4 - Maintenance
Table of Contents
Owner/Operator Responsibilities.......................................... 34
Dealer Responsibilities......................................................... 34
Maintenance......................................................................... 34
Do‑It‑Yourself Maintenance Suggestions............................. 34
Inspection............................................................................. 35
MerCruiser Gas Inboard Inspection and Maintenance
Schedule............................................................................... 35
Daily Checks ................................................................. 35
After Each Use ............................................................. 35
Weekly Checks ............................................................. 35
20 Hour Break In .......................................................... 35
Annually or 100 Hours .................................................. 35
Three Years or 300 Hours ............................................ 36
Five Years or 500 Hours ............................................... 36
Engine Oil............................................................................. 36
Checking........................................................................ 36
Oil Level—Overfilled .............................................. 37
Filling............................................................................. 37
Changing Oil and Filter.................................................. 38
Oil Removal with Drain Pump........................................ 38
Changing the Oil Filter................................................... 38
Transmission Fluid............................................................... 39
Checking While Engine is Warm .................................. 39
Checking While Engine is Cold .................................... 39
Transmission Fluid ....................................................... 39
Changing ...................................................................... 39
Closed Cooling System........................................................ 40
Coolant Requirement..................................................... 40
Checking Coolant Level................................................. 40
.............................................................................. 40
Filling the Closed Cooling System................................. 40
Draining......................................................................... 41
Cleaning.........................................................................41
Battery.................................................................................. 41
Multiple EFI Engine Battery Precautions....................... 41
Cleaning the Flame Arrestor................................................. 42
Changing the Positive Crankcase Ventilation Valve (PCV).. 43
Water‑Separating Fuel Filter................................................ 43
Removal and Installation............................................... 44
Removal ................................................................ 44
Installation ............................................................. 44
Serpentine Drive Belt............................................................ 45
Inspection...................................................................... 45
Checking........................................................................ 45
Replacing....................................................................... 46
Flushing the Seawater System—Inboard Models................ 47
The Boat Out of the Water—Inboard Models................ 47
The Boat in the Water—Inboard Models....................... 48
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