Question about Cuisinart EM-200 Espresso Machine

2 Answers

My EM100C worked fine for a time...then it started leaking from where the pump outlet transitions to the very tiny hose. I fixed that by tightening the spring clip but now it runs constantly and the water just flows into the catch basin (from the overflow valve?). Any ideas why the pump is not shutting off when it reaches proper pressure?

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  • donginther Feb 03, 2010

    Thanks for the reply.

    There are no leaks to the outside of the piping....warm water just streams into the catch basin from the clear pipe that runs from the head unit down to the drip tray.

    It appears that whatever system/valve is supposed to hold water in the heating chamber is not closing the shutting off the pump when the chamber is full. As a result the water leaves the heating chamber from this large clear tubing that runs from the heating area straight down into the drip tray.

    When the unit is energized it just pours warm water continuous into the drip tray through this piping in the back of the machine.

    I can post images of what I'm speaking of later today if that will help. Let me know!
    Thx.


  • donginther Feb 04, 2010

    Here are some pics. The original leak was at the top of the pump where it transitions to a small tiny hose. After fixing that the pump now runs continuously out of the top of the head unit through the large clear tube you see at the top centre. It travels down that tube and into the rectangular clear box (purpose?) and then down the rest of the clear tube and collects in the drip tray. When the controls on the unit are just in "heat water" mode it pumps and pumps until the drip tray is overflowing and I turn it off....






  • donginther Feb 04, 2010

    Great work! Thanks for the help!

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Since this is a pressure based system the pump will not shut off until the pressure is great enough. You have a leak somewhere in your pump assembly. If the pump was not shutting off and there was no leak you would have an extreme buildup of pressure (well to within the pumps maximum capability anyway) The smallest leak can give you a problem, I suggest checking your pump output again. Good luck!

Posted on Feb 03, 2010

  • David S. Feb 03, 2010

    if you want to you can email the pictures to me. My email is the same as my username with hotmail.com at the end.

  • David S. Feb 04, 2010

    Is this resolved from my prior statment? I received your email but I saw this post again, just wondering if there is still an issue.

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  • Master
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Hi The piece where the tube goes to the boiler and the hose goes back to the water tank is called the over pressure valve. Some call it the S3 valve. It needs to be replaced. The small tube needs to be unscrewed from the end of the S3 valve and the return hose slipped off unless there is a clamp, which will need to be removed before slipping off. you should not need a clamp since there should not be any pressure in the hose unless it gets crimped going back to the tank. The S3 valve can be unscrewed from the end of the pump, and the new one will screw back on. I like to use a little sealant on the threads when installing the S43 valve to the pump. There is a special sealant for espresso machines.

Posted on Feb 04, 2010

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Posted on Jan 02, 2017

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1 Answer

Start/Pause light flashes, won't start. No error code. Pump or hose blockage?


It is a common fault that the drain fails to work in most machines in a period of time and is the most problematic fault in a washing machine. In all occasions it is important that your observation is most important and so is vital to the identification /rectification and solution. If you have noticed that water has leaked then as the drain hose pump/valve and fittings are located on the underside of the machine it is important that you look for possible leaks here. In some cases the drain hose would be clogged at the drain end to outlet of the house and so there will be back flushing resulting in overflow to the outside. Also the drain pump/valve can be clogged. Now remove the drain hose clamps and remove the drain pump/valve, clean the drain pump/valve, use back flushing to clear off all dirt. Now test using power to see if this works and can be simulated. When refitting, the hose must be tightened properly. If the pump/valve does not work even with power then it must be replaced. If there is intermittent power to the drain valve/pump then the program controller unit is a suspect.

Cleaning a pump: http://www.youtube.com/watch?v=zKjKi50YBpI&NR=1&feature=fvwp

Finally the washer must be placed with a tilt- use a spirit level- so that all water will drain to the outlet port and thereby there is no residual water remaining.

Replacing the pump on a Bosch machine, please check this link for tips:

http://www.espares.co.uk/advice/washing-machines/a/7/1373/how-to-replace-the-pump-on-a-washing-machine-.html

Jun 28, 2012 | Zanussi FJS1225W Front Load Washer

Tip

How to troubleshoot water leaks


Water leaks in a washer are often difficult to trace. There are many possibilities to look for. The problem could be a loose connection, a broken hose, a cracked component, or a defective seal. It could also be a hole in the tub. If a hole in the tub is the problem, it's usually best to replace the washer.

Most leaks can be eliminated by tightening water connections and replacing deteriorated components. To stop a leak:

-
Check the lid seal. If faulty, replace with a new gasket.

- Check the hoses at faucet connections. Tighten connections or replace hoses.

- Check the hoses at water valve connections. Tighten connections or replace hoses.

- Check the drain hoses. Tighten connections or replace hoses.

- Check the inlet nozzles. Tighten connections or replace nozzles.

- Check the splash guard. Tighten connections or replace.

- Check any plastic valve. Tighten connections or replace.

- Check the outlet hose to drain. Tighten connections or replace hose.

- Check the water pump, using the procedures that follow.

on Jan 16, 2010 | Washing Machines

1 Answer

How do you install a thermostat on a 2001 suburban?


  1. Standing in front of the vehicle it's on the left front side of engine kind of low.
  2. Be sure to get a gasket as well.
  3. Drain the cooling system.
  4. Loosen the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • Mass airflow/intake air temperature (MAF/IAT) sensor
  5. Remove the radiator inlet hose clip from the outlet duct.
  6. Remove the air cleaner outlet duct.
  7. Reposition the outlet hose clamp at the water pump.
  8. Remove the outlet hose from the water pump.
  9. Remove the water pump inlet bolts.
  10. Remove the water pump inlet and thermostat from the water pump. Water pump inlet/thermostat assembly location
To install:

  1. Install the thermostat and water pump inlet to the water pump.
  2. Install the water pump inlet bolts.
  3. Tighten the water pump inlet bolts to 11 ft. lbs. (15 Nm).
  4. Install the outlet hose to the water pump.
  5. Position the outlet hose clamp at the water pump. NOTE
    Important: Align the arrow at the throttle body end of the duct with the throttle body attaching stud.
  6. Install the air cleaner outlet duct.
  7. Install the radiator inlet hose clip to the outlet duct.
  8. Tighten the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • Mass airflow/intake air temperature (MAF/IAT) sensor
  9. Tighten the air cleaner outlet duct clamp screws to 62 inch lbs. (7 Nm).
  10. Fill the cooling system and check for leaks.

Read more: http://wiki.answers.com/Q/Where_is_the_thermostat_located_on_a_2001_chevy_suburban#ixzz1TvIO3kpD

Aug 03, 2011 | 2001 Chevrolet Suburban

2 Answers

Where is thermostat on my 2005 chevy classic


Thermostat Removal & Installation 2.2L Engine 2004-2005 To Remove:
  1. Drain the cooling system. chevy_cav_02-04_tstat.gif
  2. Remove the thermostat housing-to-water pump feed pipe bolts. chevy_cav_02-04_feedpipe.gif
  3. Remove the water pump feed pipe from the thermostat housing .
  4. Remove the thermostat from the housing.
To Install:
  1. Install the thermostat on the housing.
  2. Install the water pump feed pipe on the thermostat housing with the mounting bolts. Tighten 89 in-lb (10 Nm).
  3. Fill the cooling system.
2006-2007 To Remove:
  1. Drain the cooling system.
  2. Disconnect the radiator outlet hose from the surge tank and thermostat housing cover. Thermostat & cover gm-03-39-3601.gif
  3. Remove the mounting bolts and remove the thermostat housing cover.
  4. Remove the thermostat from the housing. Discard the O-ring.
To Install:
  1. Using a new O-ring, install the thermostat on the housing.
  2. Install the thermostat housing cover with the mounting bolts. Tighten 89 in-lb (10 Nm).
  3. Connect the radiator outlet hose to the surge tank and thermostat housing cover.
  4. Fill the cooling system.
3.5L Engine (LZ4) W/ Variable Valve Timing & 3.9L Engine To Remove:
  1. Drain the cooling system.
  2. Remove the air cleaner outlet duct.
  3. Disconnect the radiator outlet hose from the thermostat housing. Thermostat 3.9L gm-03-00-3054.gif
  4. Remove the mounting bolt/stud and remove the thermostat housing.
  5. Remove the thermostat from the engine.
  6. Clean the sealing surfaces.
To Install:
  1. Using a new gasket, install the thermostat on the engine.
  2. Install the thermostat housing with the mounting bolts. Tighten 89 in-lb (10 Nm).
  3. Connect the radiator outlet hose to the thermostat housing.
  4. Install the air cleaner outlet duct.
  5. Fill the cooling system.
  6. Check the cooling system for leaks.
3.5L Engine (LX9) W/O Variable Valve Timing To Remove:
  1. Drain the coolant.
  2. Disconnect the radiator hose from the thermostat housing. Thermostat 3.5L gm_mv_ven_tstat.gif
  3. Remove the mounting bolt/stud and remove the thermostat housing.
  4. Remove the housing gasket.
  5. Remove the thermostat.
  6. Clean the mating surfaces.
To Install:
  1. Install the thermostat on the engine.
  2. Install the thermostat housing and gasket with the mounting bolts. Tighten 18 ft-lb (25 Nm).
  3. Connect the radiator hose to the thermostat housing.
  4. Fill the cooling system.
  5. Check the cooling system for leaks.

Jan 29, 2011 | 2005 Chevrolet Malibu

2 Answers

How to replace a themostat on a 2004 Gmc Envoy


Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat .

Specific instructions for your car are as follows. Let me know if you get stuck or have more questions.


Removal & Installation


4.2L Engine

  1. Remove the necessary coolant from the radiator.
  2. Remove the alternator, as outlined in the Engine Electrical Section.
  3. Loosen the outlet hose clamp at the thermostat housing. Remove the outlet hose from the thermostat housing.
  4. Remove the thermostat housing bolts.
  5. Remove the thermostat housing from the engine block.
  6. Clean all of the surfaces of the thermostat housing.
  7. Clean the sealing surface of the engine block.
To install:
  1. Install the thermostat housing to the engine block.
  2. Install the thermostat housing bolts and tighten to 89 inch lbs. (10 Nm).
  3. Lubricate the inner diameter of the radiator hose with engine coolant.
  4. Install the outlet hose to the thermostat housing. Secure the hose with the clamp.
  5. Install the alternator.
  6. Fill the cooling system with specified coolant and concentration.
  7. Inspect all sealing surfaces for leaks after starting the engine.

5.3L Engine
NOTE The thermostat is not serviceable separately. The water pump inlet and thermostat must be replaced as an assembly.


  1. Drain the cooling system to a level below the thermostat.
  2. Remove the radiator outlet hose.
  3. Remove the water pump inlet bolts.
  4. Remove the water pump inlet and thermostat from the water pump.

To install:
  1. Install the thermostat and thermostat housing to the water pump.
  2. Install the thermostat housing bolts. Tighten the bolts to 11 ft. lbs. (15 Nm).
  3. Install the radiator outlet hose.
  4. Properly fill the engine cooling system and check for leaks.

Oct 08, 2010 | 2004 GMC Envoy

1 Answer

Want to know how to change a thermostat on my 2004


It Depends on which engine you have, this is how it goes for both. I use a little RTV with a new ring as well.

THERMOSTAT REPLACEMENT (4.2L ENGINE)
Removal Procedure
1. Remove the necessary coolant from the radiator.
2. Remove the generator.
3. Loosen the outlet hose clamp at the thermostat housing. Remove the outlet hose from the thermostat housing.
4. Remove the thermostat housing bolts.
5. Remove the thermostat housing from the engine block.
6. Clean all of the surfaces of the thermostat housing.
7. Clean the sealing surface of the engine block.
Installation Procedure
1. Install the thermostat housing to the engine block.
2. Install the thermostat housing bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
3. Lubricate the inner diameter of the radiator hose with engine coolant.
4. Install the outlet hose to the thermostat housing. Secure the hose with the clamp.
5. Install the generator.
6. Fill the cooling system with specified coolant and concentration. Follow the correct cooling systen bleed procedure for your engine.
7. Inspect all sealing surfaces for leaks after starting the engine.
THERMOSTAT REPLACEMENT (5.3L ENGINE)
1. Drain Radiator and remove the radiator outlet hose.
2. Remove the water pump inlet bolts.
3. Remove the water pump inlet and thermostat from the water pump.
Installation Procedure
IMPORTANT: The thermostat is not serviceable separately. The water pump inlet and thermostat must be replaced as an assembly.
1. Install the thermostat and thermostat housing to the water pump.
2. Install the thermostat housing bolts.15 N.m
3. Install the radiator outlet hose.
4. Fill the cooling system with specified coolant and concentration. Follow the correct cooling systen bleed procedure for your engine.
5. Inspect all sealing surfaces for leaks after starting the engine.

Mar 17, 2010 | 2004 GMC Envoy

1 Answer

I need to know how i can get to my water pump and what all i need excatly to fix it


  1. Disconnect the negative battery cable.
  2. Drain the coolant into a suitable container.
  3. Disconnect the radiator outlet hose.
  4. Remove the radiator fan motor assembly.
  5. Remove the accessory drive belts.
  6. Remove the timing belt, tensioner and camshaft angle sensor. Refer to the procedure in this section for removal and installation steps.
  7. Remove the left side camshaft pulley(s) and left side rear timing belt cover. Remove the tensioner bracket.
  8. Disconnect the radiator hose and heater hose from the water pump.
  9. Remove the water pump retainer bolts.
  10. Remove the water pump.

To install:
  1. Clean the gasket mating surfaces thoroughly. Always use new gaskets during installation.
  2. Install the water pump and tighten the bolts, in sequence, to 7-10 ft. lbs. (10-14 Nm). After tightening the bolts once, retighten to the same specification again.
  3. Inspect the radiator hoses for deterioration and replace as necessary. Connect the radiator hose and heater hose to the water pump.
  4. Install the left side rear timing belt cover, left side camshaft pulley(s) and tensioner bracket.
  5. Install the camshaft angle sensor, tensioner and timing belt.
  6. Install the accessory drive belts.
  7. Install the radiator ran motor assembly.
  8. Install the radiator outlet hose.
  9. Fill the system with coolant.
  10. Connect the negative battery cable.
  11. Start the engine and allow it to reach operating temperature.
  12. Check for leaks.





Jan 20, 2010 | 1992 Subaru Legacy

1 Answer

How do i change a water pump in a 97 grand am with a 2.4 litre engine


2.4L Engine
See Figure 3
  1. Disconnect the negative battery cable.
  2. Drain and recycle the engine coolant.
  3. Disconnect the oxygen sensor wiring.
  4. Remove the upper exhaust manifold heat shield.
  5. Raise and safely support the front end of the vehicle securely on jackstands.
  6. Remove the exhaust manifold brace bolt.
  7. Unbolt and remove the lower exhaust manifold heat shield.
  8. Break loose the manifold-to-exhaust pipe spring loaded nuts.
  9. Unbolt the radiator outlet pipe assembly from the water pump cover.
  10. Disconnect the exhaust pipe from the manifold.
  11. Pull down and back on the exhaust pipe to disengage it from the exhaust manifold bolts.
Do not rotate the flex coupling more than 4°. this could damage the component.
  1. Separate the radiator outlet pipe from the oil pan and transaxle.
    1. On manual transaxle, remove the exhaust manifold brace.

  2. Next, leave the lower radiator hose attached and pull down on the outlet pipe to detach it from the water pump. Allow the outlet pipe to hang.
  3. Lower the vehicle.
  4. Remove the exhaust manifold-to-cylinder head nuts.
  5. Extract the manifold, seals and gaskets.
  6. Remove the timing chain cover. Refer to the procedure later on in this section.
  7. Remove the timing chain tensioner. Refer to Timing Chain removal later in this section.
  8. Unbolt the water pump from the cylinder block.
  9. Extract the pump assembly-to-timing chain housing nuts.
  10. Remove the water pump and cover assembly.
  11. Separate the pump from the cover.
  12. Clean all mating surfaces of gaskets and sealant materials.

To install:
Prior to installing the water pump, read the entire procedure. Pay special attention to the tightening sequence to avoid component damage and ensure a proper seal.
  1. Attach the water pump to the cover and hand-tighten the components.
  2. Lubricate the splines of the water pump drive with chassis grease or equivalent, then install the pump and cover assembly. Hand tighten the cover-to-block bolts.
  3. Install the pump-to-chain housing nuts and hand-tighten.
  4. Lubricate the O-ring on the radiator outlet pipe with an anti-freeze solution and slide the pipe into the water pump cover, install and hand-tighten the bolts.
  5. With the specified gaps, tighten in sequence as follows:
    1. Pump assembly-to-chain housing nuts
    2. Pump cover-to-pump assembly
    3. Cover-to-block, bottom bolt first
    4. Radiator outlet pipe assembly-to-cover

  6. Install the exhaust manifold using new gaskets.
  7. Install the manifold-to-cylinder head nuts, follow the tightening sequence and tighten to specifications.
  8. Raise and support the front of the vehicle.
  9. Index the exhaust manifold-to-exhaust pipe flange bolts.
    1. Turn bolt bolts in evenly to avoid cocking the exhaust pipe and binding the bolts. Turn the bolts in until they are fully seated.

  10. Install and secure the radiator outlet pipe to the transaxle and oil pan.

On manual transaxles, install the exhaust manifold brace.
  1. Install the timing chain tensioner and chain cover.
  2. Attach the lower heat shield.
  3. Lower the vehicle.
  4. Attach the exhaust manifold brace. Tighten the manifold-to-exhaust pipe nuts to specification.
  5. Attach and secure the upper heat shield.
  6. Connect the oxygen sensor wiring.
  7. Fill the radiator with coolant water mixture until it reaches the heater hose coolant outlet, then install the hose and continue to fill. This will assist with the complete cylinder block fill.
  8. Connect the negative battery cable.
  9. Start the engine and top off the cooling system and check for leaks.
ec6ae2e.jpg

Dec 28, 2009 | 1997 Pontiac Grand Am

1 Answer

Old admiral clothes washer leaks at front


Troubleshooting Water Leaks

Water leaks in a washer are often difficult to trace. There are many possibilities to look for. The problem could be a loose connection, a broken hose, a cracked component, or a defective seal. It could also be a hole in the tub. If a hole in the tub is the problem, it's usually best to replace the washer.

Most leaks can be eliminated by tightening water connections and replacing deteriorated components. To stop a leak:

Step 1: Check the lid seal. If faulty, replace with a new gasket.

Step 2: Check the hoses at faucet connections. Tighten connections or replace hoses.

Step 3: Check the hoses at water valve connections. Tighten connections or replace hoses.

Step 4: Check the drain hoses. Tighten connections or replace hoses.

Step 5: Check the inlet nozzles. Tighten connections or replace nozzles.

Step 6: Check the splash guard. Tighten connections or replace.

Step 7: Check any plastic valve. Tighten connections or replace.

Step 8: Check the outlet hose to drain. Tighten connections or replace hose.

Step 9: Check the water pump, using the procedures that follow.

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1 Answer

Ford transit t350 loss of acceleration


have you tried bypassing the turbo to check if the turbo is helping? is the pump calibrated well? check all the hoses from the turbo especially the turbo boost compensator hose that goes to the injection pump or something like it

Aug 18, 2009 | 2000 Ford F350 Super Duty Super Cab

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