The hose is under pressure from the pressure tank drain valve to the Check Valve at the pump spout.
Before removing the hose, slowly open the bleed-off valve (Detail H – Item C) on the pressurizing
system. Prepare the area for excess water by having a bucket available to catch the water from the
bleed-off valve and hose. Once the immediate pressure is released, then the hose can be detached
from the pump and/or pressure tank.
Step #5: Use your water system
With the pressure tank full, you can use any water fixture in your home. Be aware that you only have
the amount of water that can be held in the tank available. Therefore, you should conserve the
amount of water used to minimize the need to refill the tank by pressurization. When the tank
pressure is too low for normal usage, you will need to repeat the pressurizing process.
Step #6: Return to use of electric pump
Close the pressure tank drain valve and reset the water flow valves to accept water only from the
electric pump. Turn the power on to the electric pump to allow it to begin normal operations.
Step #7: Return the Model 1900 pump to normal operating condition
Loosen the Gland Nut (Detail H – Item A) until water leaks during normal pumping action. Next hand-
tighten the Gland Nut in ¼ turn increments until leaking stops. This will be the ideal setting for the
Gland Nut and ease of pumping operation. It is not necessary to use a wrench to tighten the Gland Nut.
Do not over tighten the gland nut as it could cause the pumping action to be more difficult or cause
damage.
If the Gland Nut squeaks apply a small amount of Extra Virgin Olive Oil. This is used for lubricating the
pump internally. Do not use petroleum products to lubricate the pump.
Model 1900 Owner's Manual Rev C
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