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6.1 Turn the gas supply off at the isolation device.
6.2 Disconnect the 2x8mm and 1x4mm gas pipe fittings at the
back of the gas valve and also disconnect the
thermocouple, see diagram 9.
6.3 Undo the single screw that secures the left-hand side of the
control cover, see diagram 10.
6.4 To release the right-hand side of the control cover, insert
the narrow blade screwdriver into the slot shown in diagram
11. 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 re-assembly.
6.5 Disconnect the ignition lead from the gas valve.
6.6 Undo the two bolts securing the gas valve to the appliance
and remove the valve.
6.7 Replace in reverse order.
6.8 Check all joints for gas leaks. Check operation of the
thermocouple and ignition lead.
7.1 Turn the gas supply off at the isolation device. Undo the
thermocouple connection from the back of the gas valve.
Pull the sensor leads clear and remove the interrupter
block.
7.2 Undo the magnetic valve-retaining nut from the back of the
control valve. Gently tap out the magnetic valve and
replace with a new unit. Replace the retaining nut and
tighten. See diagram 12.
7.3 Reassemble the interrupter block and leads. Secure the
thermocouple connection in the rear of the gas control. (Do
not overtighten). Turn the gas supply on and check the
entire pipework and valve joints for any leaks.
SERVICING INSTRUCTIONS
REPLACING PARTS
9
6. GAS VALVE
7. MAGNETIC SAFETY VALVE
10
11
AR0915
AR0916
12