Page 20 - Apprentice Manual_Neat

Task 12) Maintain/inspect gas fuel systems

a Identify types of gas fuel systems
--propane (liquid or vapor)
--natural gas
b Describe operation of regulators
c Identify pipe sizing related to regulators
d Identify system pressure and volume requirements
e Describe converters and vaporizers
f Convert from natural gas to propane and vise versa
g Shut down gas engine properly
h Define pipe sizing

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 8

Task 13) Maintain/inspect diesel fuel systems

a Identify types of diesel (2 stroke and 4 stroke)
b Prime fuel system (mechanical and electronic)
c Time and adjust
d Repair leaks
e Replace pumps
f Replace filters
g Replace fuel coolers
h Describe effects of heat on BTU capacities
i Describe fuel contamination problems
j Identify supply and return
k Check valve operation
l Identify type of diesel (No. 1 and No. 2)
m Inspect and clean screens
n Inspect fuel heaters

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 9

Task 14) Maintain/inspect cooling systems

a Replace components
--water heaters
--water pumps
--thermostats
--after coolers (intercoolers, air, etc.)
--basic piping
--coolant (glycol, ethylene, propylene)

EGSA Apprentice Certification Program Study Guide - Page 12