Question about Heating & Cooling
Unless you can find an HVAC shop with a NOS motor for this unit you will not find a drop in replacement. Even if you do get lucky and find a NOS motor be prepared to pay nearly as much for it as you would a whole new evap cooler.
That said, there are motors out there that will work, but you're going to have to make them fit with custom mounts.
It's still a little spendy, especially if you want two speeds like the original motor had, but you can get out for $80 or less if you're willing to settle for one speed (on/off).
boatandrvaccessories.com has a "Packard 40066" compressor motor for $69 plus $13 shipping. It may work but has only one speed.
Basically what you're looking for is a "48 frame", 1/8 hp, direct drive, 110-120v, 1075rpm, 1/2" shaft diameter and around 3" in length (to give you flexability when mounting), "totally enclosed" or "open drip-proof" housing (NOT "open"). Rotation can be either CW or CCW as you can mount the motor on either side of the housing and some motors are reversable. If you've got the skill to custom make some mounts then you can probably fudge some of these specs. The ones you can't change are the 1/2" shaft and the RPM. Do not exceed 1075rpm. The blower assembly simply can't be made to go much faster in that housing and if you try you will overheat the motor and burn it out very quickly (trust me on this one!). Most of the cheap motors I've found are 208-230v and I just don't see the point in having a small 220v PORTABLE evap cooler, that's just dumb.
After a LOT of online research I've found the following motors that would be a suitable replacement, with all the above mentioned specifications. I'm sure there are more, but cross referencing this information for someone not in the business is tricky and time consuming.
AdobeAir 1/8 HP 115V Motor for Adobe MMB10A RF031095 $116.66
Emerson 4856 (k055srj4796722b) (www.emersonmotors.com)
A.O. Smith 136A (UH1036NB) (www.aosmithmotors.com)
Magnetek 136 (now owned by A.O. Smith - www.aosmithmotors.com)
Fasco D733 or D261 (fasco.com)
Marathon X924 (www.marathonelectric.com)
AdobeAir RK232A check acehardwaresuperstore.com
Grainger.com is a good resource but they are expensive.
The motors listed are suitable replacements, but have only one speed, "ON" or "High".
Packard 40066 - 115v 1075rpm $69 - SINGLE SPEED
A.O. Smith 321P177
A.O. Smith 323P077
A.O. Smith 323P487
A.O. Smith 323P490
A.O. Smith 323P677
A.O. Smith U6521
A.O. Smith UH1016
A.O. Smith UH1026NB
A.O. Smith UH9034
A.O. Smith US1016
A.O. Smith US1016NB
A.O. Smith ORZ1026
R.E. Michael 1E521
Good reading for selecting a replacement motor:
I suppose that if you found a smoking deal on eBay for an "Open" type motor you could try it, but I doubt it would last long and make damn sure that ****** is grounded well.
Posted on Sep 06, 2010
is the pump youll have to take off a panel make sure the pump has water. what is the relative humidity if it is high swampers don't work very well .Tom
Posted on Jun 26, 2009
Indoor Comfort Evap Cooler
& AC Parts, Phoenix AZ 85021 2001 W Cheryl Dr,
Phoenix, AZ 85021
www.merchantcircle.com › ... › AZ › Phoenix › 85021
They say they have parts for your unit.
Posted on May 19, 2010
Evaporative coolers are only for dry climate
conditions or deserts. They cannot cool
as much as central air or air conditioners which have compressors and refrigerant. The mechanics are simple requiring a water
float valve, pump, spider (water distribution), aspen wood pads, blower, belt,
motor, and switch. The unit must have a water
supply to replenish the system due to evaporation. Your system may have a float
valve which you need to adjust to shut off when the water pan is full. Floats
can be adjusted by loosening the pivot screw and moving the float up and down
to adjust the turn off level or by turning the float to extend or retract the
length changing the water shutoff position. You do not want the water to be so
high it flows out the over flow tube but the water should cover pump base. Plug
in the unit and turn the switch to pump if you have that option on your
unit. This will engage the pump to force water from the pan up to the spider to
saturate the pads with water. After a few minutes turn the switch from pump to
low or high cool. New aspen pads will have an distinct smell which will go away
after a few days of usage. If you do not have a pump setting turn the switch to
low or high cool which will blow warm air at first then start to cool down. You
may also have a fan setting which will blow outside air without any additional
cooling if the outside air is humid. Occasional maintenance is to make sure the
pump is pumping water and the filter basket is clean and all the spiders are
working with water flowing freely. You can use a flexible wire to force it in a
spider tube to clean it if it is clogged. You may want to change the water
after a month to keep the system cleaner from slime and calcium. At the end of
the season disconnect the water supply and drain the water pan blowing out the
water line if the winter is below freezing. Replace the pads if they have
calcium build up or dry. Flush the water pan out and clean the Add some oil to the pillow blocks which are
the bearings at each end for the blower. Check the belt and pulley for
excessive wear. Cover the unit with canvas to prevent cold air from coming in
during the winter. Next summer season all you have to do is uncover the unit
and hook up the water supply.
Posted on Jul 27, 2010
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