Servicing Notes - Rangemaster 90 Gas User Manual

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 finished.

Servicing Notes

When servicing or replacing gas carrying components
disconnect from gas before commencing operation
and check appliance is gas sound after completion.
When checking for gas leaks use a liquid leak detector
at all joints and connections to check for leaks in the
system. Use a product specifi cally manufactured for
leak detection. In GB refer to BS 6891; in IE refer to the
current edition of IS 813.
Leak testing of the appliance shall be conducted in
accordance to the manufacturer's instructions.
CAUTION: DO NOT USE A FLAME TO CHECK
FOR GAS LEAKS.
Do not use re-conditioned or unauthorised gas controls.
Disconnect from electricity supply before commencing
servicing, particularly before removing any of the
following: control panel, side panels, cooktop tray, or
any of the electrical components or cover boxes. Before
electrical reconnection check that the appliance is
electrically safe.
1 To Remove the Control Panel
Disconnect from electricity supply.
Open the oven door & grill door and remove the fi xing
screws underneath the control panel. The screws
directly below the clock are for the clock fi xing bracket
- don't remove them at this stage. Some models have a
plate under the control panel held in place by the bottom
fi xing screws.
Remove the handrail by removing the 2 end bracket
fi xing screws.
Remove the 2 cross-headed screws that were hidden by
the handrail end brackets.
Pull off all the control knobs.
Lift the control panel, pull forward.
Disconnect the wiring from the rear. Reassemble in
reverse order. When replacing leads refer to the wiring
diagram. Check operation of timer.
2. To Remove Hotplate Trays
Disconnect from electricity supply.
Pull the cooker forward to gain access to the rear
Left hand tray
From the rear remove the screws securing
the fl ue grille to the hotplate tray. Remove pan
supports, burner heads and caps. Remove
the 4 screws and washers holding the hotplate
tray to the frame. Raise the front of the hotplate
then withdraw.
Right hand tray
From the rear remove the screws securing the
fl ue grille to the hotplate tray. If the LH hotplate
has not been removed, slacken the screws
holding the L H tray. Remove pan support,
burner head, caps and trim rings. Remove the
screws holding the Wok burner to the hotplate.
Remove the 4 screws and washers holding
the RH tray to the frame. Taking care not to
damage the Wok burner electrode, lift tray and
withdraw.
Reassemble in reverse order ensuring that the leads are
reconnected. When replacing the RH hotplate take care
not to damage the ignition electrode of the Wok burner.
It is important that the rear fi xing screws are refi tted as
they from part of the cooker earthing.
On some models there is a separate plate.
A fl ue grill, B cooker backsheet, C earthing/fi xing screws
On others it is a tag on the cooker backsheet.
It is important that the tag is on the outside and that
both fi xing screws are fi tted.
A fl ue grill, B cooker backsheet, C earthing/fi xing screws
Check for correct burner operation.
3. To Remove Side Panels
Disconnect from electricity supply.
Remove the Control Panel - see 1. Pull the cooker
forward. Remove the 4 retaining screws for each panel
(1 at the front base, 1 on the top and 2 at the rear).
Reassemble in reverse order.
4. To Remove Ignition/light Switch
Remove the Control Panel - see 1.
NB. The old switch may be destroyed during removal.
Remove the old switch from its bezel by griping the
switch body behind the control panel and twisting
sharply. The switch bezel can then be removed by
folding back its locking wings and pushing forward. Fit
the new bezel to the control panel by fi rst lining up the
raised key on its body with the cutout in the control
panel and pushing it in from the front. Assemble the new
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