I just bought a used downdraft "mastercool" type swamp cooler. it has very little rust on some of the nuts and bolts of the exhaust where the "squirl cage" blows out. the "squirl cage" has a light layer of white calcium deposit, which is not bad. Some of the paint from the water trough/tray is coming off but it has no rust yet, just white calcium dust on the area. I want to clean it up really well and apply something that can be a barrier between the metal/paint and the moisture it will carry. I have looked at "rhino linings" and other products. I want something that has been proven. I am sure there is something out there. I live in El Pas, TX, a very dry and warm climate. Thanks for the help.
If you can get to the whole water trough to coat it, I recommend you get some spray undercoating or a product like "Phil Swift" promotes on TV and spray it on the affected area.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/dan_77d17b8918f54455
SOURCE: noise on mastercool
had the same symptoms and found that tightening the squirrel cage set screws eliminated the noise.
SOURCE: mastercool swamp cooler fan doesnt come on.
Are the relays perment on the board or are they seperate from the main board? If they are mounted to the board, you will need to replace the board. Sounds like you are getting a call to the relay but none leaving so this would indicate that you have a bad relay switch.
SOURCE: New Mastercool pads smell bad
The cellulose pads in a mastercool are glued together and usually the adhesive is what you smell. It may take a while for it to go away. Strange as it may seem, as the pads get more mineralization and you use it more the smell will go away. Do not use a cooler for your whole house without plenty of exhaust through a window or an updux. Coolers work best when there is plenty of freely moving air.
SOURCE: Frequent short cycles of the Mastercool swamp cooler
Short cycling can also occur in a thermally protected motor if it is overheating. If the other solution did not work, make sure the belt on the motor is not too tight or too loose. A handy person can check the amperage with an amp probe to make sure it is in limits. The adjust the pulley to put it into specs.
Hello
Looking at a image of this unit.You will need to remove the top cover of the shell of the unit.Usually 1/4 sheet metal screws.
Once the top cover is off you need to unbolt the housing the fan sits in and remve it all as on peice.Then you can get the fan out of the shroud it sits in.
I dont understand why you want too remove the fan.Usually the bearings and shaft the fan rides on can be replaced without removing the fan.Unless something damaged the balance of the fan.
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