11.3 G20S Burner
11.4 Oil Supply (Pump)
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. 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
1. Suction port
2. To nozzle
3. Pressure gauge port/air bleed
4. Pump pressure adjustment
5. Vacuum port
6. To hydraulic ram (if fitted)
7. Return port
8. By-pass plug
Note: When the burner locks out due to oil starvation it will be necessary to bleed air from the
oil pump whenever the oil supply has been re-established. All call-outs and component
failures due to oil starvation are not covered under the warranty and are therefore
chargeable.
Page 36
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