Stovax Riva Nemos 8627 MA - Manual (Page 23)

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d) Remove the external feed pipe from the brass fitting. See
diagram 8 arrow B.
e) Remove the 2 screws fixing the valve bracket to the base
of the appliance.
f) Gently slide the gas valve and bracket forward and
disconnect the thermocouple from the rear of the gas valve.
See diagram 9, arrow A.
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g) Push the thermocouple down through the hole in the
base of the firebox and remove the component.
3.7 When fitting the new component after it has been shaped
to the old thermocouple, push the tip (pilot end) through
the hole from under the firebox floor. Do not insert the tip
into the pilot burner at this stage.
3.8 Connect the thermocouple at the gas valve, do not over
tighten the nut.
3.9 Assemble the gas valve bracket on to the firebox base and
all pipes to the valve and fittings.
3.10 Insert the tip of the thermocouple into the pilot burner and
tighten the nut. Replace the silicone around the
thermocouple and ignition lead. Screw the plate into
position, replace the pilot cover, log support and replace
the ceramics.
4. IGNITION LEAD
4.1 Remove the screw from the left-hand side of the control
cover. On the right hand side of the cover is a locking tab,
this must be gently levered off the main body. Slide the
cover forward. See diagram 10.
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4.2 Pull the ignition lead off the piezo. Remove the burner as
described in section 2, pilot cover and plate as described in
section 3.
4.3 Disconnect the ignition lead from the electrode and
push the lead complete with the vidaflex through the base
of the appliance.
4.4 Cut the cable tie and remove the vidaflex sleeve. THIS
MUST BE KEPT AND ASSEMBLED ON THE NEW LEAD. A
CABLE TIE MUST ALSO BE USED TO RETAIN THE SLEEVE.
4.5 The lead can only be fitted one way round, ensure this is
correct when refitting a replacement.
4.6 When replacing the cover plate ensure silicone sealant is
used to seal the aperture.
5. PIEZO
5.1 The piezo assembly used on this appliance is not
serviceable and is unlikely to fail.
5.2 If a new piezo is required it will be necessary to change the
gas valve. Refer to section 6.
6. GAS VALVE
6.1 Turn the gas supply off at the isolation elbow, and
disconnect from the inlet pipe on the fire.
6.2 Disconnect the feed pipe and pilot pipe from the brass
fittings. See diagram 11.
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SERVICING INSTRUCTIONS
REPLACING PARTS