G333C ENGINE Caterpillar


Gas Pressure Regulator

Usage:

Remove Gas Pressure Regulator

1. Remove the clamp (1) from the carburetor gas inlet line.

2. Remove pressure sensing line (3) from the regulator.

3. Remove the three fastening bolts (2) for the regulator.

4. Remove the regulator (4).

Install Gas Pressure Regulator

1. Put the regulator into position on the engine and install the fastening bolts.

2. Install the pressure sensing line on the gas regulator.

3. Install the clamp on the carburetor gas inlet line.

Disassemble Gas Pressure Regulator

start by:

a) remove gas pressure regulator

1. Remove the gas line (1) from the regulator.

2. Remove the valve seat from the tee fitting of the gas line.

3. Remove the retainer ring and coupling from the regulator.

4. Remove the fastening bolts (2) and cover (3) from the regulator.

5. Remove the spring (4) and diaphragm assembly (6) from the regulator.

6. Remove the valve (5) from the regulator.

Assemble Gas Pressure Regulator

1. Install the valve seat (1) in the tee fitting of the gas line.

2. Install the valve (3) in the regulator. Be sure the valve is engaged with lever (4).

3. Install the diaphragm assembly (2) in the regulator. Be sure the diaphragm assembly is engaged with the lever (4).

4. Install the spring and cover on the regulator.

5. Install the coupling and retainer ring on the regulator.

6. Install the gas line on the regulator.

end by:

a) install gas pressure regulator

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