We may have found other answers which could help you.
Click here for Flame Turn KnobGas oven does reach working setting?
Rangemaster 90 oven will not light?
Bottom oven won't stay on unless you keep holding on to button ?
Restarting after power cut?
Convert lpg to electric Rangemaster cooker?
How to keep a rangemaster 110 gas top from not letting me do?