JOB READY SAMPLE ASSESSMENT MARINE MECHANICS. Test Code: 1076 Version: 01

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1 JOB READY SAMPLE ASSESSMENT MARINE MECHANICS Test Code: 1076 Version: 01 Specific Competencies and Skills Tested in this Assessment: Ignition System Disassemble ignition system (flywheel covering points/module) Inspect ignition components Check coil output Reassemble ignition system Check capacitor discharge ignition Perform ignition output test Battery/distributor points Identify/disassemble CDI Check coils (trigger, ignition source) Use peak, read voltmeter Check ignition timing initial and advance Set spark throttle synchronization Starters and Starting System/Charging System Inspect, Disassemble, test electric starter system Disassemble, service, and adjust manual starter system Load test battery Starter amp draw Check solenoid Voltage drop test starter Check wiring safety switches, ignition switch Charging system operation/output Charging system component tests Cooling System Inspect and service cooling system Service water pumps/outdrive - lower unit/engine mounted Winterize cooling system Service exhaust elbow/replace and check bellows Service exhaust manifolds/elbow/bellows Service exhaust flapper valves Service Jabsco/Sherwood pumps

2 Lubricating System Inspect and service lubricating system Check oil level and fuel/oil mixture Identify classification and selection of lubricants Identify types of lubricating mechanisms/systems - outboard and stern drive Check, service, and change lower unit grease Check power tilt trim oil level Valves/Ports/Exhaust Systems/Engine Block Components/Precision Measuring Remove and inspect cylinder head and gasket Check and adjust valve lash Install cylinder head and gasket Torque cylinder head bolts Inspect and service exhaust system Check crankshaft, crankpin, and main journals Check connecting rod crankpin bearing Check ring groove side clearance/inspect, measure cylinder/piston condition Check crank and play Check ring end gap Precision measurement (Metric/English) Shop Procedures/Business Operations Use proper techniques in the care and use of tools and equipment Use proper safety procedures Demonstrate ability to use service manuals Identify hazardous wastes Use computer Demonstrate ability to use parts catalogs or microfiche Write a parts and labor invoice Calculate cost accurately Demonstrate record keeping on worksheet and job ticket Engine Analysis/Compression Demonstrate break-in procedures Check and record compression Diagnose and service compression problems Perform cylinder leakdown test Preventative Maintenance Demo. procedures and checks necessary before engine storage Demonstrate checks necessary to put engine into service Demonstrate checks necessary while engine is in service Demonstrate general maintenance and storage process for engines operated in salt or fresh water Demonstrate trailer maintenance bearings and brakes Transmission of Power and Drive Units Identify types/principles of power transmissions Identify component mechanisms Identify controls of drives and transmissions Explain operation of lower unit of outboard/sterndrive Adjust shift mechanisms and switches Disassemble & inspect lower unit Check gear lash Propeller selection

3 Troubleshooting Explain precautions necessary in troubleshooting Troubleshooting two-stroke engine Troubleshooting four-stroke engine Diagnosis engine noises Determine faults by isolation, testing and process of elimination Demonstrate procedure for minor tune-ups Fuel Systems and Carburetion Disassemble/rebuild float carburetor Inspect and adjust carburetor Inspect and clean filters Check fuel tank, lines, primer, bulbs Check idle Inspect oil injection Test and adjust oil injection components Rebuild fuel pump Understand EFI theory Troubleshoot/repair EFI Instrumentation and Gauges Check sending unit Check gauge Check/test switch Power Tilt and Trim Test/adjust limit switches Check add fluid Replace trim/tilt hoses Remove/replace cylinders Check pressures Boat Rigging/Preparation Use template to install engine Demonstrate outdrive alignment stern drive Demonstrate installing outdrive unit Install/adjust control box Install electronic accessories Install canvas, windshield Assemble trailer Adjust/setup trailer Wire trailer lights/tow vehicle Install batteries Safety check/inspection Detail rig for delivery Install propellers

4 Written Assessment: Administration Time: 3 hours Number of Questions: 186 Areas Covered: 8% Ignition System 6% Starters and Starting Systems/Charging Systems 5% Cooling System 5% Lubricating System 8% Valves/Ports/Exhaust Systems/Engine Block Components/Precision Measurements 6% Shop Procedures/Business Operations 4% Engine Analysis/Compression 9% Preventive Maintenance 9% Transmission of Power and Drive Units 10% Fuel Systems and Carburetion 8% Troubleshooting 3% Instrumentation and Gauges 4% Power Tilt and Trim 15% Boat Rigging/Preparation Sample Questions: When inspecting V-belts on charging mechanisms, you should check for A. cracks B. fraying C. glazing D. all of the above Exhaust systems produce a dangerous gas. The gas is A. carbon dioxide B. carbon monoxide C. sulfur dioxide D. hydrocarbon Most marine applications, shifting of the drive or transmission is accomplished by the use of A. electric solenoids B. control box and cable C. the steering cable D. none of the above The main advantage of using a template in installing an outboard motor is A. the motor will be centered on the transom B. the engine mounting holes will be sized C. both A and B D. no advantage The technician adjusting the trailer needs to set the rig up so that the tongue weight is 75 lbs. Using a spring scale they find the tongue weight to be 150 lbs. To correct this problem the technician needs to A. move the trailer axle forward B. move the trailer rearward C. shift the boat rearward on the trailer D. either A or C

5 Performance Assessment: Administration Time: 3 hours and 40 minutes Number of Jobs: 7 Areas Covered: 10% Outboard Motor CDI Ignition Inspection and Testing 12% Marine Mechanics Starter/Charging System Testing 13% Marine Engine Component Inspection and Measurement 12% Check and Start Marine Engine 13% Service Water Pump Impeller 14% Marine Engine Fuel Starter and Carburetor 26% Boat and Trailer Rigging and Preparation Sample Job: Marine Engine Starter/Charging System Testing Estimated Job Time: 20 minutes Participant Activity: The participant, using the appropriate equipment and tools, will load test battery and perform a starter draw test to determine if the battery is good or bad. The participant must record the results.