Step 1
Turn off the Rangemaster hood with the appropriate circuit breaker.
Step 2
Make a dish washing solution in a sink. Any standard dish soap will do.
Step 3
Remove the grease filters from the underside of the hood. Pull them out one at a time, and place them in the sink with the dish washing solution. Allow them to soak. Alternately, the grease filters can be loaded into any electric dishwasher and run through a normal wash cycle.
Step 4
Wipe down the outside of the hood with a sponge or a cloth, using the same dish washing solution in which the grease filters are soaking. Rinse.
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Step 5
Wash the grease filters in the sink with a sponge or a cloth. Rinse thoroughly and allow them to dry before reinstallation.