SERVICING AND MINOR ADJUSTMENTS
9.3 Lubricating Gas Valves
The gas valves may require periodic lubrication depending on their frequency of use. To lubricate the valves:-
1. Turn off the Gas and Electricity supply to the appliance.
2. Remove the pan supports, control knobs and burner assemblies and then remove the hob.
3. Dismantle the valve body by removing the screws retaining the control shaft assembly (refer to diagram if
necessary).
4. Remove and clean the cone with a cloth and suitable dilutant.
5. Ensure the cone is clean and dry and slightly grease the outside with Ragosine Moly LM or approved alternative
graphite lubricant.
6. Replace the cone, rotate it and remove it. Wipe off any excess grease ensuring that the gas holes are clear.
7. Replace the cone and re-assemble the valve body. Re-assemble the hob and other components.
Pressure test
Point
Pressure Adjustment
Screw
By pass
Adjustment
through
centre of gas
cock spindle.
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