Rangemaster Professional 90 Gas FSD User Manual page 31

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.
folding back its locking wings and pushing forward.
Fit the new bezel to the control panel by first 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
switch to the bezel by lining up the key sections and
pushing home. Fit the new button by pushing in from the
front.
Replace Control Panel in reverse order and test for
ignition.
5. To Remove Clock
Disconnect from electricity supply.
Remove the Control Panel (See 2). Pull off the timer
control button(s).
Remove the timer/mounting bracket assembly from the
control panel by removing the fixing screws.
Remove the timer from its mounting bracket by
depressing the plastic lugs on the timer case, at the
same time pulling the unit forward.
Reassemble in reverse order. When replacing leads
refer to the wiring diagram. Check operation of timer.
BEFORE SERVICING ANY GAS CARRYING
COMPONENTS TURN OFF GAS SUPPLY.
6. To Remove a Thermostat
Remove control panel and appropriate hotplate tray.
Open oven door. Remove oven furniture.
Main (RH) oven
Remove thermostat phial cover (2 screws). Unclip the
thermostat phial from the clips in the oven roof.
Tall oven
Remove the oven inner back see 18. Unclip the
thermostat phial from the clips in the oven back.
Feed the thermostat capillary out of the oven.
Disconnect wiring from thermostat. Remove 2 screws
holding thermostat to mounting panel. Fit new
thermostat and reassemble in reverse order. Ensure
that the phial is clipped to the oven back with the phial
centrally positioned between the clips.
Check operation of thermostat.
7. To Change Grill Control Tap
Remove the facia panel, see 2. Lift up the RH hotplate
tray front (see 2). Unplug the FSD lead from the rear of
the tap. Undo the gas connection to rear of valve and
remove the screw(s) securing tap to gas rail. Remove
old tap, discard old gasket/seal. Fit new gasket/seal to
new tap.
Reassemble in reverse order. Check tap is adjusted for
correct gas. Check appliance is gas sound.
8. To Change Hotplate Control Taps
Remove the Control Panel (see 1). Lift up the
appropriate hotplate tray front (see 2).
Unplug the FSD lead from the rear of the tap. Undo
compression fitting at the rear of the tap. Remove the
fixings that secure the tap to the gas rail. Remove
the tap. Remove and discard the gasket seal. Fit
new gasket seal to replacement tap. Re-assemble in
reverse order. Check the appliance is gas sound. Check
hotplate ignition.
9. To Change Hotplate Burner Injector
Remove burner cap and head. Remove old jet. Fit new
injector. Reassemble in reverse order. Check appliance
is gas sound.
10. To Change Hotplate Burner Electrode
Lift off 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.
11. To Remove or Change a Hotplate Burner.
Remove the hotplate tray (see 2).
LH hotplate burners
Remove heat shield (2 screws). The burners are
mounted in 2's on cross supports. Disconnect the
burner feed pipes at the burners. Remove the screw on
the right holding the cross support. Slide the support
to the right to release in from the left hand location. Lift
the cross support and burners clear. The burners are
fixed to the cross supports with 2 screws. Remove the
appropriate burner and fit the new one. Reassemble in
reverse order. Check burner operation is satisfactory.
RH Wok burner
Disconnect the burner feed pipes at the burner. Fit
the new one and reassemble in reverse order. Check
burner operation is satisfactory.
12. To Change Grill Injector
Remove the hotplate control panel, see 1.
Lift up the spring clip retaining the grill injector holder
and slide the injector holder out of the burner venturi.
Remove grill jet from adaptor and fit new jet (see table
below for correct jet). Put the injector holder back in the
burner venturi.
13. To Change Grill Burner
Remove grill injector see 12.
A grill electrode plate fixing screw
B position of grill burner fixing screws
C front shield fixing screws
D grill venturi
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spring clip
grill injector holder