13
Service
THIS APPLIANCE SHALL NOT BE MODIFIED.
Service and maintenance should only be carried
out by an authorised person.
To replace injectors
Refer page 11.
To remove hob
Close gas isolation valve and disconnect electric
supply.
♦
Remove control knobs, pan supports, burner
skirts and caps.
♦
Remove the screws securing the burner bod-
ies to the hob, ‘V’. Two for the boiling burners
and 4 for the wok burner.
.
♦
Lift the hob off to expose the internal parts of
the cooktop. Replacement of the electrical
components and the taps is now possible.
To remove and service gas control
valves
Access to the burner compartment is as per ‘To re-
move hob’.
The gas control valves are secured to the manifold
by means of a clamp fixed via two screws. If a gas
control valve becomes stiff to operate, it must be
immediately greased in compliance with the following
instructions:
1. Remove the tap.
2. Clean the cone and its housing using a cloth
soaked in solvent.
3. Lightly spread the cone with the relevant grease.
4. Fit the cone back in place, operate it several
times and then remove it again. Eliminate any
excess grease and check that the gas ducts
have not become clogged.
5. Reassemble in reverse order.
6. Check for leaks using a foamy liquid.
If replacing the whole tap it is advisable to replace
the tap gasket to ensure perfect tightness.
To replace the thermocouple
Access to the burner compartment is as per ‘To re-
move hob’.
♦
Remove the retaining nut securing the thermo-
couple.
♦
Remove connection from the electronic ignition
module.
♦
Replace defective apart.
♦
Reassemble in reverse order.
To replace the spark electrode
Access to the burner compartment is as per ‘To re-
move hob’.
♦
Remove the spring clip securing the spark elec-
trode to the burner body.
♦
Disconnect the spark ignition lead from the igni-
tion module.
♦
Replace defective part.
♦
Reassemble in reverse order.
To replace the electronic ignition
module
Access to the burner compartment is as per ‘To re-
move hob’.
♦
Disconnect the leads from the ignition module.
♦
Remove the securing nut on either side of the
module.
♦
Replace the defective part.
♦
Reassemble in reverse order.
To replace internal wiring and gas
control ignition micro switch
Access to the burner compartment is as per ‘To re-
move hob’.
♦
Disconnect wiring between ignition module and
gas control.
♦
Replace defective part.
♦
Reassemble in reverse order.
Wiring diagrams
4 Burner models
5 burner models
2 burner model
