ABL-14dABL-14d

Able ElectiveAble ElectiveEnginesEngines

Instructors: George Crowl

Course OutlineCourse Outline

d. d. i) Understand the safe and proper i) Understand the safe and proper procedures for the use of gasoline and diesel procedures for the use of gasoline and diesel inboard engines, including fueling, pre-start inboard engines, including fueling, pre-start checks, ventilation, starting, running, periodic checks, ventilation, starting, running, periodic checks while running, securing, post-checks while running, securing, post-operative checks, and keeping an engine log.operative checks, and keeping an engine log.

d. d. ii) Using the type of engine aboard the ii) Using the type of engine aboard the vessel you most frequently use, demonstrate vessel you most frequently use, demonstrate your understanding of basic troubleshooting your understanding of basic troubleshooting and the preventive maintenance schedule and the preventive maintenance schedule recommended by the manufacturer.recommended by the manufacturer.

ABL-14d i)ABL-14d i)

d. d. i) Understand the safe and proper i) Understand the safe and proper procedures for the use of gasoline and diesel procedures for the use of gasoline and diesel inboard engines, including fueling, pre-start inboard engines, including fueling, pre-start checks, ventilation, starting, running, checks, ventilation, starting, running, periodic checks while running, securing, periodic checks while running, securing, post-operative checks, and keeping an post-operative checks, and keeping an engine log.engine log.

Fueling PreparationsFueling Preparations

May be before pre-start, or after getting May be before pre-start, or after getting underwayunderway

All flames extinguishedAll flames extinguishedEngine and electronics offEngine and electronics offClose hatches, ports, doorsClose hatches, ports, doorsPortable tanks on dock / groundPortable tanks on dock / groundPassengers on shorePassengers on shore

FuelingFueling

Have absorbent material on hand to mop up fuel Have absorbent material on hand to mop up fuel spillsspills

Insure you are usingInsure you are usingfuel filler, not water fuel filler, not water or other filler pipeor other filler pipe

Maintain contact between fuel nozzle and filler Maintain contact between fuel nozzle and filler pipe to prevent sparkingpipe to prevent sparking

Listen for sound change as tank fills. Go slowly.Listen for sound change as tank fills. Go slowly.

After FuelingAfter Fueling

Clean up any spills. Dispose of absorbers.Clean up any spills. Dispose of absorbers.Open ports, hatches, doors to ventilateOpen ports, hatches, doors to ventilateDo a sniff check at bilge level for fumesDo a sniff check at bilge level for fumesBlower ventilate gas engine for four minutesBlower ventilate gas engine for four minutes

StartingStarting

Use starting checklistUse starting checklistOpen raw water valveOpen raw water valveListen during starting for unusual noiseListen during starting for unusual noiseEngine should settle to smooth runEngine should settle to smooth run Insure cooling water being pumped overboardInsure cooling water being pumped overboardLog start time in engine logLog start time in engine log

RunningRunning

Listen to the engine. Investigate strange soundsListen to the engine. Investigate strange soundsCheck engine instruments regularly. (We know Check engine instruments regularly. (We know

they are hard to see, do it anyway!)they are hard to see, do it anyway!)Check oil pressure (usually 40-80 PSI)Check oil pressure (usually 40-80 PSI)Check alternator / generator (positive output)Check alternator / generator (positive output)Check temperature (under 200° F)Check temperature (under 200° F)

Shutting DownShutting Down

Follow the checklistFollow the checklistMost people believe it is better to close the raw Most people believe it is better to close the raw

water valve about 10 seconds before shutting water valve about 10 seconds before shutting the engine down. This blows the water out of the engine down. This blows the water out of the manifold.the manifold.

May not need to close raw water valve for short May not need to close raw water valve for short shutdownsshutdowns

Log shutdown time. Log total engine time for oil Log shutdown time. Log total engine time for oil changes, etc.changes, etc.

ABL-14d ii)ABL-14d ii)

d. d. ii) Using the type of engine aboard the ii) Using the type of engine aboard the vessel you most frequently use, demonstrate vessel you most frequently use, demonstrate your understanding of basic troubleshooting your understanding of basic troubleshooting and the preventive maintenance schedule and the preventive maintenance schedule recommended by the manufacturer.recommended by the manufacturer.

Troubleshooting – InboardTroubleshooting – Inboard

Engine won't startEngine won't start Won't turn over – battery dead? Battery Won't turn over – battery dead? Battery

cables corroded? Disconnected? Starter motor cables corroded? Disconnected? Starter motor relay failed? Ignition switch failure?relay failed? Ignition switch failure?

Turns over weakly – battery weak? Cables Turns over weakly – battery weak? Cables corroded?corroded?

Turns over fine, won't start – defective fuel Turns over fine, won't start – defective fuel pump? Fuel filter(s) clogged? Spark plugs? pump? Fuel filter(s) clogged? Spark plugs? Diesel injectors clogged?Diesel injectors clogged?

Troubleshooting – Inboard (2)Troubleshooting – Inboard (2)

Runs, then stops – check fuel level? Boat Runs, then stops – check fuel level? Boat heeling or pitching? Needs fuel?heeling or pitching? Needs fuel?

Runs rough – electrical harness tight? Spark Runs rough – electrical harness tight? Spark plugs cleaned and gapped? Carburetor dirty?plugs cleaned and gapped? Carburetor dirty?

Overheating – temperature above about 190° - Overheating – temperature above about 190° - Faulty thermostat? Water pump failing? Water Faulty thermostat? Water pump failing? Water hose leaking?hose leaking?

Inboard Engine – PMInboard Engine – PM

Engine oil change (interval ?)Engine oil change (interval ?)Transmission oil change (interval?)Transmission oil change (interval?)Fuel filter change (interval?) (how many?)Fuel filter change (interval?) (how many?)Air filter change (interval?)Air filter change (interval?)Spark plugs – gas (interval?)Spark plugs – gas (interval?)Diesel injectors (interval?)Diesel injectors (interval?)

Troubleshooting – OutboardTroubleshooting – Outboard

Starting difficultiesStarting difficulties Fuel tank fullFuel tank full Primer bulb pumped hardPrimer bulb pumped hard Gear shift in neutralGear shift in neutral Kill switch setKill switch set Throttle positioned to startThrottle positioned to start Starter rope tight, pulled hardStarter rope tight, pulled hard

Troubleshooting – Outboard (2)Troubleshooting – Outboard (2)

Engine does not start – other Engine does not start – other Old fuel (30 days +) – fill with new fuelOld fuel (30 days +) – fill with new fuel Kill switch engaged – disengageKill switch engaged – disengage Kill switch clip not inserted – insert, or Kill switch clip not inserted – insert, or remove and re-insertremove and re-insert Spark plugs or ignition – new plugs, check Spark plugs or ignition – new plugs, check ignition system ignition system

Troubleshooting – Outboard (3)Troubleshooting – Outboard (3)

OverheatingOverheating Check water coming out of motorCheck water coming out of motor Check water intake clearCheck water intake clear Check water pump impellerCheck water pump impellerExcessive vibrationExcessive vibration Check propeller attached tightlyCheck propeller attached tightly Check isolation mounts – tighten or replaceCheck isolation mounts – tighten or replacePropeller not turning properlyPropeller not turning properly Check prop or shaft for debrisCheck prop or shaft for debris Check shear pin OKCheck shear pin OK

Troubleshooting – Outboards (4)Troubleshooting – Outboards (4)

Engine won't stay runningEngine won't stay running Check fuel systemCheck fuel system Check fuel filter – cleanCheck fuel filter – clean Check carburator – clean Check carburator – clean Check air filter – cleanCheck air filter – cleanMake sure you are using the correct fuelMake sure you are using the correct fuel Gas / oil mix for 2-cycleGas / oil mix for 2-cycle Straight gas for 4-cycle, check oil levelStraight gas for 4-cycle, check oil level

Outboard Engine – PMOutboard Engine – PM

Engine oil ratio (2-stroke)Engine oil ratio (2-stroke)Engine oil change interval (4-stroke)Engine oil change interval (4-stroke)Oil filter change (4-stroke) (interval?)Oil filter change (4-stroke) (interval?)Transmission oil change (interval?)Transmission oil change (interval?)Air filter change (interval?)Air filter change (interval?)Spark plug change (gas)Spark plug change (gas)

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Questions?Questions?