G379, G398 & G399 ENGINES Caterpillar


Regulator For Gas Pressure 6L4104

Usage:

(1) Adjustment screw.

(2) Regulator outlet.

Pressure differential between carburetor gas inlet and air inlet:

Natural gas at 1000 BTU low heat value ... +127 mm H2O (+5 in. H2O)

Propane at 2500 BTU high heat value ... -25.4 mm H2O (-1 in. H2O)

(3) Regulator springs:

(4) Regulator inlet.

Pressure in gas supply line:

Turbocharged engines ... 85 to 140 kPa (12 to 20 psi)

Naturally aspirated engines ... 20 to 140 kPa (3 to 20 psi)

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