Question edited for correct spelling of maker 'Noen' to 'Moen'.
'Fix' as in it is leaking? Or tighten it down because it is wobbly, or something completely different?
Well, we can have a one on one seminar by the internet. I've been a pumpman for 20 years. I can share with you my experience (household pumps, suibmersible pumps, turbine pumps, gear pumps, piston pumps, dewatering pumps, mud pumps, trash pumps, mining pumps, solids handling pump, etc....) Just take your pick. Just send in your e-mail for assistance. God bless.
Move the lever or turn the knob. Check the stop tap under the sink. Make sure the faucet control knob or lever is tight, There is normally a removable cover that hides the screw..
Question edited for clarity, full 'make model (what it is)'.
This a Menards special. To remove handles, look for a small hole hidden from the front. They take a small Allen Key.
air will not be trapped in the pump. what you have to do is prime the pump so that the vacuum is filled with water
the vacuum is created by expelling water which in turn sucks in more water and so on. if the pump is full of air ,there is nothing to expel and so no water is sucked up
there should be a plug at the top of the pump for the purpose of priming. remove it , fill the pump and suction line and replace the plug
Check the aerator: The aerator is a small mesh screen located at the end of the faucet spout. Over time, mineral buildup can clog the aerator and reduce water flow. Unscrew the aerator from the spout and clean it with a toothbrush and vinegar or a solution of water and baking soda. Rinse it thoroughly and reattach it.
Check the supply valves: Make sure that the supply valves under the sink are fully open. Turn them off and on a few times to loosen any debris that may be stuck in the valves.
Check the water pressure regulator: If your home has a water pressure regulator, it may be malfunctioning. A faulty regulator can cause low water pressure in certain areas of your home. Contact a plumber to check and replace the regulator if necessary.
Check for leaks: Check for leaks in the pipes under the sink or in the supply line. A leak can reduce water pressure and cause other problems.
Call a plumber: If you have tried these steps and the problem persists, it may be time to call a professional plumber. A plumber can diagnose the problem and recommend the best course of action to restore normal water pressure to your sink faucet.