6.1.3 G20S Burner
6.2 Oil Supply
The burner is supplied for use with a one pipe system. For use on a two pipe system,
it is necessary to remove the return port plug and fit a small by-pass plug as shown.
1. Suction port
2. To nozzle
3. Pressure gauge port/air bleed
4. Pump pressure adjustment
5. Vacuum port
6. To hydraulic ram
7. Return port
8. By-pass plug
1. Return line 6. Hydraulic jack with air-damper
2. Suction line 7. Combustion head adjustment screw
3. Gauge connection 8. Lock-out lamp and reset button
4. Pump pressure regulator 9. Flange with insulating shield
5. Suction gauge connection 10. Start delaying device
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