The rain lamp is filled with approximately 2 pints of oil that is pumped from the bottom of the lamp into a basin in the top. The oil leaks through drip holes in the top oil basin, powered only by gravity, and runs down individual strands of fishing line. The light shining on the moving oil creates the effect of rain falling. Rain lamps have few working parts, so very little can go wrong. The most common repairs are to change the light bulb and refill the oil.
Changing the Light Bulb
You will have to reach through the strands of fishing line to access the light bulb. Use a paper towel to wipe down each strand of oily fishing line in the path to accessing the light bulb. Unscrew the light bulb, being careful not to drop it. Using both hands, gently pass the light bulb through the fishing line strands, using care to not break a strand. Gently pass the fresh light bulb through the fishing line strands and screw it into the light socket. The statue is removed using this same procedure.
Cleaning the Foliage
Use a paper towel to wipe down each strand of oily fishing line in the path to accessing the foliage. Using both hands, gently pass the foliage through the fishing line strands, using care to not break a strand. Soak the foliage in hot soapy water for 10 minutes in a freezer zip-top bag, then gently agitate or shake the bag. Rinse the foliage thoroughly with cool water and place on a paper towel to dry. Repeat the process to replace the foliage, using care not to break a strand of fishing line
How to Add the Oil
Your rain lamp will hold 1 to 3 pints of rain lamp fluid or mineral oil, depending on the size of your lamp. Oil is added to fill holes in the bottom collection pan below the foliage. Regardless of the size of the lamp, the oil should be added carefully and slowly. With the lamp on, slowly pour the oil. Listen to the sound of the pump, which will change when there is enough oil to begin pumping. Stop pouring after the first pint and wait a few minutes for the lamp to begin raining. If nothing happens, add another half pint of oil and wait a few minutes. If the oil level still seems low, add a little more oil, wait and repeat if necessary. Expect to pour at least 1 pint of oil but no more than 3 pints. Do not use too much oil, because it can overwhelm the pump.
When doing any maintenance on your oil rain lamp, cover the floor and work area with plastic sheeting and lay newspaper on top of the plastic for protection. The pump can be damaged by using scent additives to the oil and may need repair or replacing.
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