20 Most Recent Mastercool 67680 Evaporative Cooler Air Conditioner Questions & Answers

If you are planning to replace the shaft;
if your able to loosen the 2 square headed bolts( which must be done to allow for shaft movement) do so, then after bearings and pulley are off emerycloth (smooth no burrs or rust) the shafts 2 ends and get grinder and cut thru the shaft on the inside of squirrel cage area as close to the edge of cage as possible drive the shortened pieces of the shaft inward( oil this pieces to help ease movement thru blower wheel) until they are removed replace shaft with new shaft and re-install parts and or replace as needed bearings and blower wheel. I am getting ready to do this very job myself ( take measurements of shaft on each side to ensure your back where you started when done)

Mastercool 67680... | Answered on Nov 22, 2019

The solution is to install "up ducts" These devices are easy to install and are fairly cheap. With a swamp cooler the best way to use them is to allow them to draft outside with the "up duct" you get the drafting to the outside but also get to remove attic heat too.

Mastercool 67680... | Answered on Nov 21, 2019

Check for plugged holes in the top water distribution tray where the water from the pump exits to wet the pads.

Mastercool 67680... | Answered on May 04, 2017

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

Mastercool 67680... | Answered on Mar 30, 2017

You can find the parts here:

I am pretty sure your going to have to order the wet section U pan for your model. (Item 19) / $249.95

Thanks for choosing FixYa,

Mastercool 67680... | Answered on Jul 16, 2016

check for a failed start/run capacitor for the motor
if the motor spins freely then the humming will be a frequency hum because there is not enough power to start the fan running
the extra current will blow a cb

Mastercool 67680... | Answered on Apr 08, 2016

yes, most smaller window units have both outdoor and indoor cages connected to a single motor in the middle of the 2 blower wheels and are completely seperate from the compressor and it associated parts

Mastercool 67680... | Answered on Jun 20, 2015

How do I replace a rigid pad on my Mastercool swamp cooler?

Mastercool 67680... | Answered on Aug 20, 2014

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