Question about Bissell 1697-7 Powersteamer Pro Deluxe Vacuum
How do you get the pump rimed again
O n a Bissell Upright carpet cleaner This model doesn"t have the steam feature
The Bissell 1697 is a temperamental machine. Loosing prime is the biggest problem. I have found that the tanks and top cover are not designed well. The connecting plug on the bottom of the tank does not set deep enough into the female receptacle. When the plastic starts to warp and it will, two things happen. First the push valve on the male side (tank) may not open and secondly, you get air leaks.
The pump wants to pump water with high mass and not air. Once the air purges, it will build pressure. You can watch the lines with the top open and identify where the air is coming from. 90% of the time it is the bottom of the tank fitting.
The fix is to put a spacer under the metal plate holding the male (tank) receptacle in place. A rubber gasket or O-Ring that spaces the plate down about 3/32". The plate must have the holes beveled to recieve flat head screws so they dont stick down and hold the tank off. Use silicon seal. Plate should protrude from the bottom of the tank surface slightly when you are through.
Slipping drive belt to the pump is the second biggest problem. Also if you take the top off, every thing has to go back in place exactly or the top will not fit correctly. Hose routing is critical.
Nozzle's will plug in a heart beat so keep the tank water clean. Make sure you turn the mixture valve to water only and purge the system with water prior to quiting.
One further thing, the vac connections to the tank are crappy. I have to use a foam seal glued to the tank top to mate with the two existing gaskets on the body. Here again the plastic warps and things start not fitting properly.
Most of the problems are related to plastic warping as usual on modern cheap ****.
Retired Mech Eng.
Posted on Mar 14, 2008
After further examination of the pump I re-installed it in the machine and removed the inlet hose from the mixer valve body and placed the end in a shallow pan of water. I turned the machine on and the pimp picked up the water from the pan and pumped without failure for several minutes as I had the pump output refilling the same pan.
If I take the end of the inlet hose out of the pan for only a couple of seconds, the pump loses prime and will not recover until I remove the vacuum hose from the pump. Upon replacing the vacuum hose the pump primes and begins working.
At that point I suspected an air leak at the base of the water tank or somewhere in the mixer valve assembly. I then took the hose off of the tank fitting in the base and placed the end of the hose in the pan of water. Again, the pump performed without any problem. Therefore, I assume I have an air leak at the base of the tank where the tank connects to the machine.
I will explore this further and provide you with additional info as I make progress
Posted on Feb 26, 2008
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Posted on Jan 02, 2017
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