Rangemaster 90 manual To Remove a Thermostat, To Change Grill Controller, To Change a Hotplate Tap

SERVICING - WARNING

Disconnect from electricity and gas before servicing. Check appliance is safe when you have finished.

7. To Remove a Thermostat

Remove control panel (see 2) and cooktop (see 3). Open the appropriate oven door and remove the oven shelves.

RH oven

Remove oven roof. Remove the two fixings that secure the thermostat phial cover. Unclip the thermostat phial from the clips in the oven back panel & remove from the top rear of the oven.

LH oven

Remove the two screws holding the thermostat phial to the oven fan cover at the rear of the oven. Pull the unit forward to access the rear of the cooker. Remove both rear cover boxes by removing the fixing screws and lifting clear. Feed the thermostat capillary clear of the oven. Disconnect the wires from the thermostat and undo the two fixings that secure the control to the mounting plate. Fit the replacement and re-assemble in reverse order. Ensure that the phial is clipped to the oven rear, positioned centrally between the clips. Check that the thermostat functions correctly.

8. To Change Grill Controller

Remove the control panel (see 2) and cooktop (see 3). Disconnect wiring from controller. Remove 2 screws holding switch/controller to mounting panel. Fit new controller and reassemble in reverse order. Check for correct operation.

BEFORE SERVICING ANY GAS CARRYING COMPONENTS TURN OFF GAS SUPPLY.

9. To Change a Hotplate Tap

Remove the cooktop top, see 3. Undo the nut at rear of the valve and remove the screw(s) securing valve to gas rail. Remove old valve, discard old gasket/seal. Fit new gasket/seal to new valve.

Reassemble in reverse order. Check valve is adjusted for correct gas. Check cooker is gas sound.

10. To Change a Hotplate burner jet

Standard burner Wok burner

A jet, B internal injector, C external injector

Remove burner cap and head. Remove old jet. Fit new jet. Note the Wok burner has 2 jets. Reassemble in reverse order. Check appliance is gas sound.

11. To Change Hotplate Burner Electrode

Lift off hoplate pan supports, remove burner cap. Remove the screw holding the electrode. Pull electrode vertically up sufficiently to grip the lead between thumb and forefinger. Pull off the electrode, but keep hold of the lead. Fit new electrode to the lead. Fix electrode in burner with screw. Replace burner cap. Check the burner ignition. Replace pan supports.

12. To Remove or Change a Hotplate Burner.

Remove the cooktop tray (see 3). Remove the control panel (see 2).

Outer Hotplate burners

The burners are mounted in 2’s on cross supports. Disconnect the burner feed pipes at the burners.

Remove the screw at the front holding the cross support. Slide the support to the right to release in from the rear location. Lift the cross support and burners clear. The burners are fixed to the cross supports with screws underneath. Remove the appropriate burner and fit the new one. Reassemble in reverse order. Check burner operation is satisfactory.

Wok burner

Disconnect the burner feed pipes at the burner. Fit the new one and reassemble in reverse order. Check burner operation is satisfactory.

To Remove Grill Outer Door Panel

Open left hand oven door and remove 2 screws from bottom edge of grill door. Open grill door, support grill door outer panel and remove two screws from top inner face of grill door.

Reassemble in reverse order.

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