Underskirt Blower motor replacement;
Horizontal Output Style.
Previous

Safety Warnings!
Remove Power from the spa/hot tub BEFORE performing this procedure.  Failure to comply with this requirement, can lead to electrical shock and/or electrocution!
Disclaimer
The instructions here are intended for general reference only.  Many blowers are different from the one depicted here, and may require more or less mechanical effort or knowledge in order to achieve the desired results.
READ FIRST BEFORE YOU CONTINUE
Comet® Underskirt Blower Assembly, Removed from it's mount. New blower motor...
This under-spa skirt mounted Comet® blower assembly needs the new motor shown on the right.  It's a 1.5HP, 230 Volt model.  (To purchase this motor, click here .)
New motor with foam attached on bottom Placing and aligning the flow isolator
With the new motor, what I usually like to do is put a small amount of silicone adhesive on the bottom of the fan housing, and re-attach the foam insulator.  Next, on the right, I've slipped over the rubber isolation ring onto the motor, aligning the 4 screw holes.
Next thing, is I place the plastic ring over the motor, (on some this may be a round metal plate), which secures the flow isolator onto the motor.
Installing the retaining ring over the isolator
Installing the 4 screws to the motor... All 4 screws re-installed.
On the left, I'm simply installing the 5/16" screws into the assembly.  On the right, all are completed.
Installing completed assembly back into housing.  
Fairly simple.  Re-installing the new assembly into the blower housing, aligning the housing holes with the rubber flange.
Be sure to install the ground! Wiring completed...
First thing to do is to re-install the ground wire to the frame of the blower motor.  Once that's done, it may be necessary to cut and strip the excess length of wiring that comes with a new blower motor.  Normally, I only need about 8 inches or so to work with.  Then, I prefer to use small wire nuts, then tape them up so they don't spin off, and then use a couple of small nylon tie wrapes to keep the tape from unravelling.  You can see how I've done this in the above right image, where I've used two yellow tie wraps to secure the taped up wires.
Re-installing the cover screws  
With the wires properly secured, I re-install the cover, taking care to make sure that the new wiring is not going to contact the armature, and that there's very little excess wire left in the assembly to bounce around.
adjusting the cord and installing strain relief Blower motor installation complete!
The last thing is to pull out the cord to an appropriate length, to further prevent the interference of the wiring with the motor, and then re-attaching the strain relief.
 
This blower is now finished...
To check out the blowers and blower parts online, click here for  SpaPartsNet Blower Components .