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SERVICING INSTRUCTIONS
REPLACING PARTS
4. IGNITION LEAD
4.1 Gain access to the back of the pilot assembly, see Section 3
above and disconnect the ignition lead from the electrode.
4.2 Undo the single screw that secures the left-hand side of the
control cover, see Diagram 10.
4.3 To release the right-hand side of the control cover insert the
narrow blade screwdriver into the slot shown in diagram 8.
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 reassembly.
4.4 Disconnect the end of the ignition lead from the valve body,
see diagram 12, Arrow B, note the existing route of the
ignition lead.
4.5 Replace with a new ignition lead following the same route as
the old one. Replace the valve cover and the pilot assembly.
4.6 Check the operation of the new ignition lead.
5. PIEZO
5.1 The piezo assembly used on this appliance is not serviceable
and is unlikely to fail.
6. GAS VALVE
6.1 Turn the gas supply off at the isolation device.
6.2 Disconnect the 2 x 8mm and 1 x 4mm gas pipe fittings at
the back of the gas valve and also disconnect the
thermocouple, see Diagram 13, Arrow A.
6.3 Remove the control valve cover and disconnect the ignition
lead from the gas valve, see section 4.
6.4 Undo the two bolts securing the gas valve to the appliance
and remove the valve, see diagram 13, Arrow C
6.5 Replace in reverse order.
6.6 Check all joints for gas leaks. Check the operation of the
thermocouple and ignition lead.
7. MAGNETIC SAFETY VALVE
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 mag valve retaining nut at the back of the control
valve. Gently tap out the mag valve and replace with a new
unit. Replace the retaining nut and tighten. See diagram 14,
Arrow A.
AR0943b
13
AR0915
10
AR0916
11
AR0943a
12
AR0943c
14