WORK PROCESS
MACHINIST, MARINE ENGINE
O*NET/SOC CODE: 51-4041.00 RAPIDS CODE: 0298
DESCRIPTION: Installs and repairs gasoline and diesel engines in boats, such as yachts, tugs, and trawlers, following specifications: Positions engine over mounting holes, using chain hoist.
Bolts engine to mount and straps fuel tank to cradle, using handtools. Connects fuel, oil, and waterlines to engine. Installs engine controls, propeller shaft, and propeller.
Attaches test instruments, such as tachometer and voltmeter to engine. Starts engine and records operating data, such as revolutions per minute, and voltage output.
Disassembles defective engines and repairs or replaces damaged parts, using handtools.
ON-THE-JOB TRAINING:
APPROXIMATE HOURS
A. Tool Crib
400
• Learning names of tools.
• Care of tools and sharpening of all tools
• Miscellaneous
B. Tool Dressing (Blacksmith Shop)
600
• Heating, Forging, Tempering, Grinding
C. Bench Work (Machine Shop)
1000
• Filing, scraping, chipping
• Assembly
• Use of portable tools
• Machine shop grinding
D. Drill Press (Machine Shop)
400
• Setting up work
• Drilling, reaming, tapping
E. Engine Lathe (Machine Shop)
800
• Simple turning
• Simple boring
• Chasing threads
F. Shaper and Planer (Machine Shop)
400
• Cutting to lines
• Cutting key ways
• Slotting
G. Milling Machine (Machine Shop)
600
• End milling
• Slab milling
• Cutting gears
• Dividing head
• Vertical
• Fly Cutting
H. Diesel Shop
2000
1. Bench and Floor
• Disassembly and assembly
• Cleaning – by hand and machine
1. Filing
2. Scraping
3. Drilling
4. Reaming
5. Tapping and threading
6. Precision instrument reading
7. Laying out work
8. Use of hand tools
9. Care and use of equipment
10.Polishing and buffing
11.Inspection
• Overhaul all pumps
1. Fresh water
2. Salt water
3. Fuel transfer
4. Fuel and injection
5. Testing
2. Testing (engine)
• Preparation
• Installation
• Testing engine
• Checking performance
• Keeping records
I. Ship Work
1800
• Disassembly and assembly
• Cleaning
• Minor repair work
• Checking and adjusting
• Precision instrument reading
• Troubleshooting
• Engine removal and installation
• Make all connections
• Test run checks
TOTAL HOURS
8000
