Maintaining your Dishmaster® M2000

Your Dishmaster M2000 has been tested at the factory to ensure that it works properly. However, due to differing water pressure or conditions in your home, some adjustment may be necessary to keep it working properly. If your faucet develops a leak from beneath the handle or a drip from the spout, please try the following before contacting customer service.

Adjusting the Single Lever Valve

  1. Remove the red/blue plug on the lower face of the valve handle (not on faucets manufactured prior to April 2009).
  2. Loosen the set screw located beneath the plug using a 1/8” hex (Allen) wrench and pull straight up on the handle to remove the handle from the faucet.
    3. You should now see the stem of the ball valve that your handle was attached to, a plastic piece with a heart shaped hole in it called a cam, and a brass or plastic adjustment ring. The adjustment ring has four equally spaced notches around the face.
  3. Use the wrench end of your valve combo tool (a butter knife or a small screwdriver can be used) to tighten the adjusting ring by putting the tabs on the tool into the notches on the adjusting ring and turning it to the right (clockwise). Tighten the ring in only very small increments of 1/4 turn or less. Slip the handle back onto the stem (it is not necessary to tighten the set screw at this time) and turn the water on and off to check that the leaking/dripping has stopped before further tightening the adjusting ring. Repeat as necessary until leaking/dripping has stopped.
  4. Once the faucet is adjusted, reassemble the handle to the valve, retighten the setscrew, and replace the red/blue plug.

Cleaning the aerator

Unscrew the aerator assembly from the end of the faucet spout by turning left (counter-clockwise). From your viewpoint above the spout, this may appear to be clockwise. Remember: lefty-loosey, righty-tighty. Be certain to remove the black seal along with the aerator. It will sometimes stick to the spout rather than come off with the aerator. If the aerator has become encrusted with lime or other deposits, it may be necessary to use pliers to remove the aerator. If so, protect the aerator’s finish by placing a soft towel between the pliers and the aerator.

Once the aerator has been removed, turn on the water. If the water flow is restored, the aerator must be cleaned or replaced. To clean the aerator, inspect the unit for foreign matter or mineral deposits. If necessary, a small wire or pin can be used to clear the holes. Rinse the unit to clear any loose particles. If necessary, remove the rubber washer from the back of the aerator and remove the plastic insert. To remove the insert, press gently on the face of the aerator. If particles can be seen inside the insert, blow air through the insert in the reverse direction from the water flow. Reassemble the aerator and screw the aerator back onto the spout. Tighten finger tight only; do NOT use pliers. If water flow is still insufficient, order Dishmaster K1178 replacement aerator assembly.

Diverter rod

The Diverter Rod is in the center of the spout, below the black knob. If this rod should become dry and sticky resulting in it not dropping automatically when the water is turned off, lubricate it with a food grade non-toxic lubricant such as cooking oil or a small amount of detergent. Lift the knob, apply lubricant to the diverter rod, release the knob. Repeat as necessary until the knob raises and lowers easily without sticking.

If the diverter rod will not stay in the up position when you lift and release the knob, it may be due to high water pressure. Remove the aerator from the spout - see “Aerator”. Operate the faucet and retry the diverter. Does the diverter stay up? If so examine the aerator per the “Aerator” section and clean the aerator as needed. Deposits and particles obstructing the water flow will cause an increase in backpressure. If the aerator is clear, the diverter may not stay up due to high water pressure in the system. Reinstall the aerator and turn on the faucet. Lift the diverter knob and hold it for a moment to allow the pressure to bleed out of the spout. Release the diverter knob. The diverter should remain in the up position.

Hose Assembly

The hose assembly, with proper care, will last a number of years. Keep the outside clean and back-flush as necessary.

Brushes

To remove the brush, turn the brush ¼ turn to the left and pull it off. To put the brush on, engage the two lugs on the inside of the brush into the slots in the brush adapter and turn ¼ turn to the right. Brushes will give many months of service with the proper care and use. To clean the brush, merely flatten it out against the bottom of your sink and run hot suds through it. If your brush becomes grease coated, a little bleaching type cleanser will remove the grease. Replacement brushes are offered for a variety of applications.