Bosch Dishwasher Installation

Written by ian kelly
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Bosch Dishwasher Installation
Do-it-yourself dishwasher installation is fairly straightforward. (Jupiterimages/Goodshoot/Getty Images)

According to the J. D. Power 2008 press release, "For a third consecutive year, Bosch ranks highest in customer satisfaction with dishwashers." Apart from their reliability and efficient cleaning action, these Energy Star rated units are extremely quiet. To simplify matters for the do-it-yourself homeowner, installing a Bosch dishwasher is similar to installing a standard unit, and requires no special tools or expertise.

Skill level:
Moderate

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Things you need

  • Nut driver
  • Flat screwdriver
  • Ribbed plastic dishwasher return line
  • Channel pliers
  • 8-foot-long flexible dishwasher water inlet hose
  • Adjustable wrench
  • Spring-loaded hose clip
  • Needle nosed pliers
  • Plastic cable nuts

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Instructions

    Preparation

  1. 1

    Flip the breaker switch on the electrical panel supplying power to the dishwasher into the "off" Position. Remove the adjustable kick panel from the base of the Bosch dishwasher by undoing its two attaching screws. Put the panel on one side for later fitting. Note: Bosch dishwashers are positioned upside-down in the shipping carton for ease of access to the base components once the carton is lifted off as instructed.

  2. 2

    Remove the cover from the electrical box on the base of the dishwasher by undoing the single hex-head screw with a nut driver. Pivot the cover sideways and slide the tabs on the opposite side out of the slots on the electrical box. Place the cover on one side.

  3. 3

    Undo the hose clamp on the old dishwasher return line protruding from the upper side of the garbage disposer with a flat screwdriver. Pull the hose off and remove the hose clamp. Feed the hose through the wall of the sink base cabinet and discard it.

  4. 4

    Route the new ribbed plastic dishwasher return line through the wall of the base cabinet from the dishwasher side. Place the same hose clamp over the new dishwasher hose and slide it over the disposer inlet pipe. Tighten the hose clamp securely with the flat screwdriver.

  5. 5

    Turn the handle on dishwasher shut-off valve clockwise to close it. This valve is fitted to the hot water pipe leading upward to the sink. Undo the pressure coupling on the old flexible dishwasher water inlet hose by turning it counterclockwise with a pair of channel pliers. Pull the old hose through the side of the sink cabinet.

  6. 6

    Route a new 8-foot-long flexible dishwasher water inlet hose through the side of the cabinet from the dishwasher side. Thread the compression coupling onto the dishwasher shut-off valve. Tighten the coupling securely with the channel pliers.

  7. 7

    Thread the right-angled hose connector onto the other end of the dishwasher inlet hose. This connector resembles a garden hose adaptor with a wide knurled female coupling on one end that screws onto the dishwasher, and a male thread on the other end that screw into the dishwasher inlet hose compression coupling; the connector is supplied with the new dishwasher inlet hose. Grip the connector with the channel pliers and tighten the dishwasher inlet hose coupling securely with an adjustable wrench.

  8. 8

    Locate the loose waste water return line tucked into the back of the dishwasher. Squeeze the lugs on the correct size spring-loaded hose clip together with the channel pliers. Slip the spring clip over the rubber section on the end of the waste water return line.

  9. 9

    Flip the dishwasher over so that the base of the unit is on the floor. Push the machine close to the dishwasher cavity with the back of the machine facing the cabinets. Route the waste water return line, the hot water inlet hose and the electric supply cable through the opening in the bottom of the machine.

  10. 10

    Screw the two adjustable feet under the front of the dishwasher up all the way to allow the top front of the dishwasher to clear the counter top. Slip the two retainer brackets into their respective slots on either side of the top of the machine and bend the tabs down to secure the brackets (refer to the installations instructions for directions).

    Installation

  1. 1

    Push the dishwasher into the opening and fish the two hoses and electrical cable out from the bottom so that you can connect them to the dishwasher.

  2. 2

    Adjust the feet on the bottom front of the machine by screwing them out by hand until the face of the dishwasher lines up with the adjacent cabinets, and the top clears the underside of the counter top.

  3. 3

    Compress the lugs on the spring-loaded hose clip on the rubber end of the dishwasher waste water return line with the channel pliers. Push the end of the ribbed plastic return hose leading from the disposer into the end of the rubber section on the end of the dishwasher waste water return line. Release the spring-loaded lugs so that the clip clamps the two hoses firmly together. Tuck the hose neatly into the bottom of the dishwasher.

  4. 4

    Thread the knurled coupling on the end of the flexible dishwasher water inlet hose onto its mating plastic coupling. The male thread of this mating coupling points downward from the bottom front of the dishwasher. Tighten the knurled nut firmly by hand.

  5. 5

    Bend the end of the bare copper earth wire protruding from the electrical cable into a U with a pair of needle nosed pliers. Hook the U over the green hex-head screw protruding from the dishwasher chassis inside the electrical box. Tighten the screw firmly with a nut driver.

  6. 6

    Twist the black wire leading from the supply cable and the black wire in the electric box together. Screw a plastic cable nut firmly onto the twisted end so that the bare wire is covered. Repeat by joining the two white wires together and securing the end with a cable nut. Tuck the wires into the electric box. Replace the lid by hooking the tabs into the mating slots and threading the hex-head screw back into its hole. Tighten the screw firmly with a nut driver.

  7. 7

    Open the dishwasher and locate the retainer brackets above the door that you attached earlier. Insert the screws provided up through the holes in the brackets, and attach the brackets to the underside of the of the counter top by tightening the screws with a Phillips screwdriver. Close the door carefully while watching the top to ensure that the door clears the screws.

  8. 8

    Turn the dishwasher breaker switch back on. Open the hot water inlet hose shut off valve. Inspect the fitting to make sure it isn't leaking. Switch the dishwasher on and run a cleaning cycle. Inspect the underside of the machine to ensure that there are no leaks.

  9. 9

    Attach the kick panel to the bottom of the dishwasher with the two screws removed earlier. Undo the two adjusting screws on either side of the panel to lower the inner adjustable panel to the floor. Tighten the adjusting screw to complete the installation.

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