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Valve on one side will not open

Only one side of the pump operates correctly

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Working pressure


Putting 60 lbs. of pressure in the pressure tank is not the answer.

First determine that the pump is working correctly, Open the drain valve and see if you get a good flow of water. If you do then OK, the pump is working. If you are not getting a good water flow from the drain valve, then the pump is not operating correctly - maybe a bad foot valve. Next open the drain valve and watch the water pressure gauge, and note at what pressure the pump kicks on ( that's the cut-in pressure), and when it kicks off ( that's the cut-out pressure). Most pumps are set to operate at 20-40 psi, or 30-50 psi. The cut-in and cut-out pressure is set by the water pressure switch.The pressure in the water tank has to be set 2 psi BELOW the cut-in pressure of the pump. That is, if the pump has a 20-40 psi differential, then the tank has to be pre-charged to 18 psi.

To pre- charge the pressure tank , the pump has to be shut off. The Tank needs to be emptied (drained ) of water. The air pressure is then set to 2 psi BELOW the cut-in pressure. If water escapes from the air valve, the bladder in the tank is ruptured, and a new tank needs to be installed.

So, first make sure the pump is working.
I WOULD RELIEVE MOST OF THE PRESSURE IN THE PRESSURE TANK TO ABOUT 20 PSI BEFORE CHECKING THE PUMP, AND PRCEEDING WITH THE PRE-CHARGE OF THE TANK.

May 24, 2014 | Plumbing

Tip

Keurig B100 coffee maker not brewing


KeuSymptom: keurig B100 coffee maker not brewing. If your brewer sounds like it should be brewing but little or no coffee comes out, the problem may be a simple malfunctioning check valve, located on the right hand side of the unit under the plastic cover. If the check valve is clogged or fails, water from the tank leaks into the air pump (located just below the valve) disabling the pump.

The pump that pushes the water out of the tank located on the right hand side of the unit (I included a photo) has a check valve just above it. On my unit the check valve failed allowing water to enter the top chamber of the pump disabling it. The pump was not damaged it just cannot operate correctly with water in it.

Here is the Fix: Disconnect the check valve and make sure it is operating correctly. Mine was clogged with a small amount of mineral deposits, which was cured by a half hour in a glass of vinegar, and a good rinse. Then disconnect the tubing from the top of the pump and run the unit to allowing the water to escape the pump. Make sure there is no water left in any of the tubing between the pump and the check valve, even the smallest amount will disable the pump again. Reconnect everything and it should work.



Good luck and if you find this helpful remember to thump up vote itc3bb7bf.jpg

on Aug 16, 2010 | Keurig B100 Coffee Maker

1 Answer

The water dispenser on my new side by side hums when it dispenses water. Is that the correct sound or is it not actually pumping. Water comes out slow


The humming sound your hearing is electricity being sent to the valve, causing an elctromagnetic effect to open the solenoid to allow water to pass. Slow water could be from a few things, a clogged line, or build up in the valve or from a filter that needs to be change. Pull the machine out and remove the lower back cover. Locate the water valve. With the water turned on and connected remove the 5/16" water line (the bigger one) and then have someone else press the water in the door. If the cylinoid is operating correctly it should spray water out.

Apr 28, 2012 | Whirlpool Refrigerators

1 Answer

I am getting a P1416 Aux. Emission Control reading on my 2001 Chevrolet Silverado, what should I first look for or try on my own before taking it in?


this is an obd2 trouble code table, and it can help you understand the meaning of code.
You should be able to identify it bank 2 sai check valve is located inline to the tube going to your passenger side exhaust manifold, should use some penetrating oil, one side has a rubber tube going to it, the other is metal, and will require the use of two wrenches to replace.

Removal Procedure

Caution: Allow the engine to cool before servicing the secondary air injection AIR system in order to reduce the chance of severe burns.
1. Remove the clamp from the check valve.
2. Disconnect the AIR hose from the check valve.
3. Remove the check valve from the left side AIR pipe.
4. Remove the left AIR pipe from the exhaust manifold.
5. Before replacing a check valve, test the valve for proper operation.
5.1. Install a vacuum pump to the nipple side of the check valve, AIR pump side.

5.2. Pump the vacuum pump to 10 inches Hg and observe the gauge.

5.3. Replace the check valve if the vacuum bleeds down to zero within 5 seconds.


Installation Procedure

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

1.Install the check valve onto the AIR pipe.
Tighten the check valve to the AIR pipe to 23 N·m (17 lb ft).
2.Connect the AIR pipe to the exhaust manifold.
Tighten the AIR pipe to the exhaust manifold to 20 N·m (15 lb ft).
3. Install the AIR hose to the check valve.
4. Install the check valve clamp.

Jul 01, 2011 | 2001 Chevrolet Silverado

1 Answer

Chevrolet Model 2001 Code 1416


Removal Procedure

Caution: Allow the engine to cool before servicing the secondary air injection AIR system in order to reduce the chance of severe burns.
1. Remove the clamp from the check valve.
2. Disconnect the AIR hose from the check valve.
3. Remove the check valve from the left side AIR pipe.
4. Remove the left AIR pipe from the exhaust manifold.
5. Before replacing a check valve, test the valve for proper operation.
5.1. Install a vacuum pump to the nipple side of the check valve, AIR pump side.

5.2. Pump the vacuum pump to 10 inches Hg and observe the gauge.

5.3. Replace the check valve if the vacuum bleeds down to zero within 5 seconds.


Installation Procedure

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

1.Install the check valve onto the AIR pipe.
Tighten the check valve to the AIR pipe to 23 N·m (17 lb ft).
2.Connect the AIR pipe to the exhaust manifold.
Tighten the AIR pipe to the exhaust manifold to 20 N·m (15 lb ft).
3. Install the AIR hose to the check valve.
4. Install the check valve clamp.

Jun 27, 2011 | 2001 Chevrolet Silverado

1 Answer

The coffee wont brew


Hello,
If your brewer sounds like it should be brewing but little or no coffee comes out, the problem may be a simple malfunctioning check valve, located on the right hand side of the unit under the plastic cover. If the check valve is clogged or fails, water from the tank leaks into the air pump (located just below the valve) disabling the pump.
This happened to my brewer two days ago. I have had this unit for about four years and never had a problem. When I called tech support at Keurig they said "it sounds like the pump is shot", but there was nothing they could do and they would not repair it. Instead of the throwing out my $300 coffee maker I figured I would try to fix it myself.
After 3 hours of tinkering, I found and fixed the problem, so I am passing on the tip. Since 2.5 of those hours were spent diagnosing the problem, the fix itself is pretty simple.
The pump that pushes the water out of the tank located on the right hand side of the unit (I included a photo) has a check valve just above it. On my unit the check valve failed allowing water to enter the top chamber of the pump disabling it. The pump was not damaged it just cannot operate correctly with water in it.
Here is the Fix: Disconnect the check valve and make sure it is operating correctly. Mine was clogged with a small amount of mineral deposits, which was cured by a half hour in a glass of vinegar, and a good rinse. Then disconnect the tubing from the top of the pump and run the unit to allowing the water to escape the pump. Make sure there is no water left in any of the tubing between the pump and the check valve, even the smallest amount will disable the pump again. Reconnect everything and it should work.
I hope the above helps.
Regards.

Jun 22, 2011 | Cuisinart SS-700 5-Cup Coffee Maker

1 Answer

2000 Oldsmobile Alero 3.4L Secondary air pump system. have pump connected and in working order on start up. possible relay malfunction and/or vacuum valve solenoid maybe faulty. system is reading p0410...


A shop with a Tech2 Scanner can operate the air pump and solenoid. Or you can verify the solenoid valve by having power and ground, the valve should flow vacuum to the air valves, and the valves should operate (open) with vac going to them. Any dealer or AC Delco parts house should have the solenoid if needed.

Mar 16, 2010 | 2000 Oldsmobile Alero

2 Answers

WATERMILL SHOWER PUMP - On turning on the shower


This sounds like a problem with the flow switch(es) that control the operation of the pump motor.

When the pressure decreases I assume that the pump has switched itself off - check this before going any further, but I will assume that this is the case. (If the pump is still running when the pressure decreases then you have a really strange problem and I would need to think again).

The pump motor is controlled by flow switches on the outlet side of the pump - when the shower valve is opened the flow of water activates a switch that supplies power to the pump motor. There will be one flow switch on the hot outlet from the pump and another on the cold outlet.

I assume that one or both of the flow switches is not operating correctly. This can be either a fault with the switch(es) or insufficient water pressure on the inlet side. Has anything changed that might have reduced the pressure on the inlet side of the pump? Have you moved the water tank that supplies the pump? (cold water storage tank)

If there is adequate pressure on the inlet then one or both of the flow switches is not working correctly. To further diagnose the problem try turning the shower valve to cold water only and test the operation of the pump, then turn it to hottest and test again.

If the pump operates correctly on cold only or hot only then the associated flow switch is OK, and the other one is faulty.

Replacing a flow switch is not difficult if you are reasonably handy, and I am happy to provide further help if you need it.

Feb 27, 2010 | Kitchen Appliances - Others

1 Answer

2001 chevy tahoe dianostic codes p1416 and p0410


http://img245.imageshack.us/img245/39/218488404lv.jpg
http://img241.imageshack.us/img241/4642/443329838do.jpg

And some instructions

Removal Procedure

Caution: Allow the engine to cool before servicing the secondary air injection AIR system in order to reduce the chance of severe burns.
1. Remove the clamp from the check valve.
2. Disconnect the AIR hose from the check valve.
3. Remove the check valve from the left side AIR pipe.
4. Remove the left AIR pipe from the exhaust manifold.
5. Before replacing a check valve, test the valve for proper operation.
5.1. Install a vacuum pump to the nipple side of the check valve, AIR pump side.

5.2. Pump the vacuum pump to 10 inches Hg and observe the gauge.

5.3. Replace the check valve if the vacuum bleeds down to zero within 5 seconds.


Installation Procedure

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

1.Install the check valve onto the AIR pipe.
Tighten the check valve to the AIR pipe to 23 N·m (17 lb ft).
2.Connect the AIR pipe to the exhaust manifold.
Tighten the AIR pipe to the exhaust manifold to 20 N·m (15 lb ft).
3. Install the AIR hose to the check valve.
4. Install the check valve clamp.

Jul 07, 2009 | 2001 Chevrolet Tahoe

2 Answers

Indesit evolution de73 dishwasher


01 = Acquastop operated due to leak / overfill - machine drains until empty + lmin.

A02 = Heater Relay open circuit/short circuit or Thermistor or Safety T/Stat o/c or s/c or Element machine fills to Level Switch & Wash Pump runs.

A03 = Thermistor open circuit /short circuit - machine drains until Level Switch resets +1minute

A04 = Unable to sense/reach temperature in 70mins. - machine drains until Level Switch resets + lminute

A05 = Level Switch not resetting in within 3' 20" of drain commencing - machine drains until Level Switch resets +1 minute

A06 = Not used see also H20 at end

A07 = Wash pump Triac closed/open circuit - check that Drain Pump is not disconnected or Aquastop operated

A08 = Auxiliary Wash Pump Triac closedlopen circuit - check Wash Motor operation- machine drains until Level switch resets+30"

A09 = Main Wash Pump Triac closed/open circuit - cheek Wash Motor operation- machine drains until Level Switch resets+30"

A10 = Fill Solenoid valve Triac closedlopen circuit - check valve/operation - machine drains until Level Switch resets+30"

A11 = 1/2 load Solenoid Valve Triac or alternating Wash Motor action - check Solenoid Valve operation & alternating Motor action, replace Module if required - machine drains until Level Switch resets +30"

A12 = Relay with open circuit - check Heater, replace Module if required - machine drains until Level Switch resets+30"

A 13 = Dispenser Triac incorrect operation closed/open circuit - Wash Cycle completes but with Dispenser Lid notfunctioning correctly

H20 = Static 'Fill Time exceeding 6 minutes - cheek for blockages/low pressure

Apr 07, 2008 | Indesit 24 in. DE73 Evolution...

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