SERVICING INSTRUCTIONS
REPLACING PARTS
8.GAS VALVE
8.1Remove the fire, refer to section 1.
8.2Disconnect the 2x8mm and 1x4mm gas pipe fittings at the back of the gas valve, arrow A and disconnect the thermocouple. See diagram 10 arrow B.
10
A 
B
8.3Undo the single screw that secures the
11
8.4To release the right hand side of the control cover, insert a narrow blade screwdriver into the slot shown in diagram 12, lever it gently and pull from the right hand side at the same time. The cover will now come off. There is a small cylindrical metal spacer inside the cover, this must be kept and replaced on the fixing screw during
12
8.5Disconnect the ignition lead from the gas valve, see section 2.
8.6Undo the two screws securing the gas valve to the control bracket and remove the valve.
8.7Replace in reverse order.
8.8Check all joints for gas leaks; check operation of the thermocouple and ignition lead.
9.CHANGING BETWEEN GAS TYPES
9.1The following parts must be changed when converting from one gas type to another:
•Engine Assembly
•Air Box Gasket
•Pilot Assembly
•Databadge
Please note: The control valve will be preset for the correct gas type and model number.
29