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9. CHECKING THE MAIN OVEN
1. Turn the oven thermostat to Mk.9 and check that there is sparking from the ignition system. This should
continue until the oven burner is alight.
2.. When the oven burner lights up the sparking should cease, there should be a low gas rate at first to the
oven burner which is the flame supervision device (F.S.D.) by pass rate.
3. When the F.S.D. phial has heated up it opens the F.S.D. valve and the main gas stream flows to the
burner.
4. After 1 minute check that the flame covers the full width of the burner and is stable.
5. Set the oven thermostat to Mk.2, close the oven door and check that after about 10 minutes the flame
has reduced in size.
6. Turn off the thermostat and check that the oven flames go out.
10. CHECKING THE SECOND OVEN
1. Turn the second oven thermostat control knob anticlockwise to Mk8 and press the ignition button. As
soon as the burner is alight the button can be released.
2. When the oven burner lights up there should be a low gas rate at first to the oven burner which is the
F.S.D. by-pass rate.
3. When the F.S.D. phial has heated up it opens the F.S.D. valve and the main gas stream flows to the
burner.
4. After 1 minute check that the flame covers the full width of the burner and is stable.
5. Set the oven control to Mk. 2, close the oven door and check that after approx. 10 minutes the flame
size has reduced.
6. Turn off the control knob and check that the oven flames go out.
11. CHECKING THE MAIN OVEN LIGHT
Turn the main oven thermostat knob full on and check that the main oven light is operative. Turn off the
thermostat.
12. TO SET THE TIME OF DAY
To set the clock (See Fig 5).
1. Turn on electricity supply and ensure that the thermostat is in the
off position.
2. Press buttons (1) and (2) together.
3. Release buttons, 0.00 will appear in the display.
Within 5 seconds press button (2), 12.00 will show in the display.
4. Within 5 seconds press and hold either button (1) to decrease or button (2) to increase the time until the
correct time of day on the 24 hour clock is reached, e.g.14.30.
47
FIG.5
1
2