WORK PROCESS
POWERHOUSE MECHANIC
O*NET/SOC CODE: 49-9041.00 RAPIDS CODE: 0443
DESCRIPTION: Installs, adjusts, maintains, and repairs electrical and mechanical equipment and parts in power-generating station: Installs equipment. Dismantles and overhauls equipment Dismantles and repairs auxiliary equipment, such as pumps, compressors, and pipe systems. Assists in conducting acceptance and performance tests on new or existing equipment. Fabricates special tools, rigging equipment, and replacement parts for equipment. May install wiring between machinery, switchboards, and control panels.
ON-THE-JOB TRAINING:
APPROXIMATE HOURS
1. TOOLS
200
A. Learning names of tools
B. Learning use of hand tools
C. Learning use of power tools
2. OPERATION OF POWER TOOLS
200
A. Drill Press
1. Drilling, reaming, etc.
B. Pedestal Grinder
1. Flat grinding
2. Angular grinding
C. Pipe Threading Machine
1. Pipe threading
2. Bolt threading
3. GENERAL MAINTENANCE
1000
A. Learn how to move and dismantle equipment
B. Learn how to level, align and assemble equipment
C. Learn how to diagnose mechanical difficulties
D. Learn how to replace worn or broken parts
E. Learn how to fit bearings
F. Identify gears
G. Identify structural steel
4. PIPE CUTTING
600
A. Learn pipe sizes
B. Learn cutting and threading techniques
C. Use hand tools
5. TUBING (General)
160
A. Learn sizes
B. Learn cutting techniques
C. Learn sweating
D. Learn flaring and other connecting techniques
6. VALVES
200
A. Identification
B. Installation
C. Repair and replace
7. GASKETS AND PACKINGS
120
A. Identify gasket and packing materials
B. Learn proper selection and installation of gaskets and packing
8. POWER PLANT EQUIPMENT
2720
A. Boiler type, care, repair
1. Automatic combustion feed water, safety controls
2. Auxiliary equipment-pumps, blowers, safety valves,
blowdown valves, fuel oil, water and steam flow metering
3. Safety feature-flame eye, pressure relief, low water protection,
air fuel requirements, etc.
4. Chemical treatment of feed water and steam condensate
B. Turbines and Pumps
1. Line up and expansion provisions
2. Special packing conditions – carbon, etc.
3. Adjustment and special safety control-overspread trip, etc.
4. Interchangeability of steam power for electrically operated auxiliaries
C. Traps
1. Maintenance and repair
D. Heat Exchangers
1. Enclosed tubular
2. Meter, remote and automatic controls
9. PIPING INSTALLED AND REPAIRED
600
A. High and low pressure steam lines
B. Condense return lines
C. Hydraulic systems
D. Water lines
E. Air lines
F. Vacuum lines
G. Acid lines
10. ELECTRICAL
1200
A. Motors and generators
B. Wiring and conduit
C. Controllers, starters, push button circuit, etc.
D. Major mill power distribution circuits
E. Circuit breakers
F. Electrical instruments
1. Ammeter
2. Volt meter
3. Continuity testers
4. Wattmeter
5. Syncroscope
G. Circuit marking and tracing
H. Control devices, timers, starting delay
I. A.C., Power 3 phase, single phase and various voltages
J. D.C. power
K. Lightening
11. Other Necessary training to attain the skill required of a Journeyworker
1000
TOTAL HOURS
8000
