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|Re: Morphy-Richards Astral Refrigerator by Price|
|I have a 1969 TowLow camper that came with a Morphy Richards Astral gas/electric fridge. I found some info on another site that explained that if these units, which use an ammonia/water/hydrogen cooling system, sit for long periods of time, these substances separate out into layers, or stratify, and will no longer perform their functions in the cycle. Consequently, they need to be "burped," or rolled over so that the substances mix again, and any trapped bubbles are released to the top of the system. I did this to my unit, and it went from not cooling at all, to being capable of making ice. My only problem now is that something is amiss with the thermocouple on the gas side, as it will only stay lit for about 15-20 minutes. Anyone know of a source for these parts?
By the way, before I adapted a piezo-electric grill igniter to the unit (the old D-cell battery ignition system ceased to function), it was necessary for someone to hold the red button down on the front of the unit, while another person went outside, took the vent plates off of the side of the camper, removed a shield covering the burner on the back of the unit, and lit it at the bottom. Once the shield was removed, it was not difficult to discern the igniter assembly, burner, and thermocouple.