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Servicing Instructions - Replacing Parts
5. Ignition Lead
5.1 To access the back of the pilot assembly, see Section 3.
5.2 Disconnect the ignition lead from the electrode.
5.3 Remove the front cover from the control valve by removing
the retaining screw, see Diagram 9 and gently levering clear
with flat bladed screwdriver, see Diagram 10.
NOTE: There is a small cylindrical metal spacer inside
the cover, this must be kept and replaced on the fixing
screw on re-assembly.
9
10
5.4 Disconnect the end of the ignition lead from the valve body,
see Diagram 11, Arrow B, note the existing route of the
ignition lead.
B
11
5.5 Replace with a new ignition lead following the same route
as the old one.
5.6 Replace the valve cover and the pilot assembly.
5.7 Check operation of the new ignition lead.
6. Piezo
6.1 The piezo assembly used on this appliance is not
serviceable and is not likely to fail.
6.2 If a new piezo is required it will be necessary to change the
valve, see Section 7.
7. Gas Valve
7.1 Turn the gas supply off at the isolation device.
7.2 Disconnect the 2 x 8mm and 1 x 4mm gas pipe fittings at
the back of the gas valve.
7.3 Disconnect the thermocouple, see Diagram 12, Arrow A.
C
A
C
12
7.4 Remove the control valve cover and disconnect the ignition
lead from the gas valve, see Section 5.
7.5 Undo the 2 bolts securing the gas valve to the appliance
and remove the valve, see Diagram 12, Arrow C.
7.6 Replace in reverse order.
7.7 Check all joints for gas leaks and check operation of the
thermocouple and ignition lead.
8. Magnetic Safety Valve
8.1 Turn the gas supply off at the isolation device.
8.2 Undo the thermocouple connection from the back of the gas
valve.
8.3 Undo the magnetic valve retaining nut at the back of the
control valve, see Diagram 12, Arrow A.
8.4 Gently tap out the magnetic valve and replace with a new
unit.
8.5 Replace the retaining nut and tighten.
8.6 Secure the thermocouple in the rear of the gas control. (Do
not over tighten).
8.7 Turn the gas supply on and check the entire pipe work and
valve joints for any leaks.
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