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8.0 GAS VALVES
8.1 To Change a Gas Valve
8.1.1 Turn off gas supply and electricity.
8.1.2 Remove the hob top (see Section 4).
8.1.3 Disconnect ignition switch wires. For non Flame Failure models, remove the circlip from each
gascock to free the microswitch assembly. Lift off microswitches.
8.1.4 Disconnect male
1
/
2
" nut on rear of unit to gas supply.
8.1.5 Undo nuts holding aluminium tubes to gas valve.
8.1.6 Remove a screw holding manifold to basepan.
8.1.7 Lift out manifold, remove screws holding valve to manifold bracket.
8.1.8 Change gas cocks.
8.1.9 Replace in reverse order. Leak test with soapy water. Reconnect ignition switch wires (replace
microswitch for non Flame Failure models).
Note: Remember to test the gas valve outlet with the valve turned on.
8.1.10 Check turn down setting (see Section 5).
8.1.11 Replace hob.
8.2 To Re-Grease Gas Valves
8.2.1 Remove product top panel.
8.2.2 Remove circlips from each gas valve to free the microswitch assembly. Lift off microswitches.
8.2.3 Unscrew the two Philips screws on the top of the gas valve.
8.2.4 Gently lift out the valve cone, clean with solvent.
8.2.5 Re-grease with high temperature grease. (e.g. ROCOL HT, Otimol HT2EP, Ragasine Moly
LM). Replace.
8.2.6 Move it around, remove excess grease, remove and check holes in the core or body are not blocked,
replace.
8.2.7 Open and close a couple of times.
8.2.8 Check for leaks with leak detection fluid e.g. Rocol Leak Detection spray) and re-assemble in reverse
order.
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