This is the new Double Stage Pressure Engine Assembly for SUP20D PRO, SUP20Max, SUP16DB that those pumps have double stage feature. But this parts can NOT be compatible with SUP20S without double stage feature.
Open the air pump from its 6 housing screws from bottom. Easy to locate the Assembly unit at the middle. There is not screws or bolts to tighten this assembly at the housing.
There are 2 pair of electrical wire (4 wires) to connect the PCB to the 2 motors of assembly. You may need to use the Soldering Iron tool to disconnect and re-connect those wires better. (The soldering iron kit from this listing is not included of the parts purchase. you can buy it from Amazon or eBay).
If you don't have Solder Iron tool, you may cut the old wire at the middle and remove 1/2" of wire cover. do the same way with the wire on the PCB. When the wire preparation is ready, you can tighten up 2 wires solid together and cover with electrical tape. Make sure no electric circuit shortage from those new connection. Then it should be good for your temperately solution.
Finally, Don't forget to reconnect the white data bank cable from the DPU to PCB. and the white color air pressure hose to the Pressure Engine Assembly unit Quick test the air pump before closing the housing. Fully test the air pump after done.
- Pair of Green and Red wire - 2nd Stage Motor
- Pair of Yellow and Red wire - 1st Stage Fan
In some warranty case, if you don't know how to do above connection, and we can have additional parts in stock, we may provide the Pressure Engine Assembly with the PCB on the bottom housing all together. That way you can only connect the data bank cable plug and the top housing, You will be much easier. Additional cost may be applied.
In some case, user may damage the pump by non proper use. such as operate the pump from the dusty ground. We add this additional notice from this parts and make sure your pump can be always operated correctly.
Download the full instruction about the Pressure Engine Assembly replacement (SUP20S , similar to SUP20D).