Kohler Generator Sets 20--2800 kW User Manual download pdf (Page 42)

TP-5700 7/9330 Section 6 Fuel Systems

6.7 Natural or LP Gas Fuel

Systems

Natural and LP (liquified petroleum) gas fuel systems

should be designed and installed in accordance with the

requirements of NFPA 54, National Fuel Gas Code, and

all applicable local codes. Various types of gas fuel

systems are available as follows:

D LP Gas Vapor (Figure 6-5 and Figure 6-6)

D LP Gas-Liquid Withdrawal (Figure 6-7)

D Combination Natural Gas and LP Gas (Figure 6-8

and Figure 6-9)

D Natural Gas (Figure 6-10)

D Combination LP Gas or Natural Gas and Gasoline

(Figure 6-11)

The engine-mounted components of all these systems

are similar and usually include a carburetor, secondary

gas regulator, electric gas fuel solenoid shutoff valve,

and flexible fuel connector.

1. Primary regulator (supplied by gas supplier or customer)

2. Pressure gauge

3. Solenoid valve

4. Secondary regulator

5. Carburetor

Figure 6-5 LP Gas Vapor Fuel System

1 2 3 4

1. Carburetor

2. Secondary regulator

3. Solenoid valve

4. Pressure gauge

5. Primary regulator (supplied by gas supplier or installer)

Figure 6-6 Typical LP Gas Vapor-Withdrawal

System

1 2 3 4

TP-5700-6

1. Carburetor

2. Converter (vaporizer)

3. Solenoid valve

4. LP gas filter (supplied by gas supplier or installer)

Figure 6-7 LP Gas Liquid Withdrawal System

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Kohler Generator Sets 20--2800 kW User Manual Page 42