KIT-SEAL 2172886 - Caterpillar

Remove And Install Gas Pressure Regulator
1. Remove pipe (1) and disconnect line (2). 2. Remove gas pressure regulator (3). Do the reverse procedure of Steps 1 and 2 for the installation of the gas pressure regulator.Disassemble Gas Pressure Regulator
Start By:a. remove gas pressure regulator 1. Remove the bolts and remove fitting (1) from the gas pressure regulator. 2. Remove O-ring seal (2) and orifice (3) from the fitting. 3. Remove the bolts that hold the regulator assembly together.4. Remove cover assembly (4), seat (5), spring (6), seat (7) and diaphragm assembly (8) from regulator body (9). 5. Remove the two screws and the pin that hold lever (10) on stem assembly (11). Remove lever (10), stem assembly (11) and holder assembly (12) from the regulator body. 6. Remove bolt (13), two heads (14), the head gasket and the pusher post from diaphragm (15). 7. Remove cap (16) and the gasket from cover assembly (4). 8. Remove screw (17) from the cover assembly.Assemble Gas Pressure Regulator
1. Install screw (17) in the cover assembly. 2. Install the gasket and cap (16) on cover assembly (4). 3. Install two heads (14), the head gasket the pusher on diaphragm (15), install bolt (13) to hold the diaphragm assembly together. 4. Install stem assembly (11) and holder assembly (12) in the regulator body.5. Position lever (10) on the stem assembly and install the pin and two screws that hold it in place. 6. Position diaphragm assembly (8), seat (7), spring (6), seat (5) and cover assembly (4) on regulator body (9). Install the bolts that hold the regulator assembly together. 7. Install O-ring seal (2) and orifice (3) in the fitting. 8. Install fitting (1) on the gas pressure regulator and install the bolts that hold it.9. Check the gas pressure. See Testing And Adjusting section for the correct adjustment of the gas pressure regulator.End By:a. install gas pressure regulator