Mercury 1200 - Conversion to LP Gas; Injector Replacement for LP Gas; Control Panel and Hotplate Removal

WARNING – SERVICING TO BE CARRIED OUT ONLY BY AN AUTHORISED PERSON
Disconnect from electricity and gas before servicing. Check appliance is safe when you have nished.
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Check the ‘Technical Data’ section at the back of the book
that the hob is convertible to the gas you want to use.
A suitably competent person must perform the conversion.
After conversion the installation must comply with the
relevant regulations and also the local electricity supply
company requirements. Read the instructions before
converting this appliance.

Failure to convert the appliance correctly could
invalidate any warranty or liability claims and lead
to prosecution.

When servicing or replacing gas-carrying
components disconnect from the gas supply before
starting operation. Check the appliance is gas sound
after completion.

DO NOT use reconditioned or unauthorised gas
controls.

Disconnect from the electricity supply before
servicing. Before electrical reconnection, check that
the appliance is electrically safe.
Injectors
Remove the pan supports and burner heads. For each burner,
remove the large brass venturi on the top of the burner base
(Fig.8-1). Remove the burner base, making sure to disconnect
the ignition lead from the spark electrode.
Replacing the Jets
Either:
Use a long box spanner to access and remove the old
jets. Fit the new jets: see Table 8-1 for the correct type.
Or:
Remove control panel and hotplate (see below). Remove
the old jets.
Removing the Control Panel and Hotplate
Note: To allow the control panel removal make sure the side
panels are removed.
Remove the control knobs.
Undo the screws holding the control panel in position
(Fig.8-2). Pull the control panel forwards, taking care not to
damage it (by protecting it with cloth, for example) rest it on
the open grill door and oven door. Carefully remove the 4
neon connections. Now remove the control panel.
Remove the 8 screws xing the hotplate in place. Lift the
hotplate clear of the appliance.
Remove the old jets. Save the jets removed from the
appliance for possible future use. Fit the new jets: see
Table 8-1 for the correct type.
Ret the hotplate, making sure to feed the ignition leads back
through the hotplate.
Note: When retting the hotplate, take care not to damage or
displace the ame safety probes (Fig.8-3).
8. Conversion to LP Gas
Burner head
Burner base
Brass venturi
Fig.8-1
Natural Gas Propane Gas
Centre burner 165 107
Large burners 120 82
Right front burner 95 64
Table 8-1
Fig.8-2
Fig.8-3