Text preview for : Disassembly_n_Reassembly.pdf part of Samsung Disassembly n Reassembly Samsung Dishwashers DMT400RHS Service Manuals Disassembly_n_Reassembly.pdf
3. Disassembly and Reassembly 3-1. Tools for Removal and Reassembly
Tool image
No. Tool Type Remarks Adjustable Wrench Open-end Wrench 1-7/16" Leg Vice pliers Others Common tools for servicing (screwdriver, nipper, long nose pliers) Screwdriver - Philips, flat, Torx T20 Nut Driver 10mm Heater bracket Nut
* Preparation for parts replacement 1. Take out the residual water inside the product. (Drain the water by operating the drain pump) 2. Close the water supply valve. 3. Turn off the power & disconnect power cable. You must turn off the circuit breaker connected to the product. 4. Pull out the unit from the sink and lay it on the floor. Be careful of the drain hose when pulling out the unit.
Caution When pulling out or laying the dishwasher down for service, it may be necessary to lower the height of the adjustable legs to provide the clearance for the removal of the unit, prevent breaking the legs, or damaging the base of the unit.
3-1 3. Disassembly and Reassembly
3-2. Standard Disassembly Drawings Throughout this manual, features and appearance may vary from your model. Warning Always disconnect the electric power supply & water supply before servicing any electrical component, making ohmmeter checks, or replacing any parts. Caution Before moving the unit, laying it down for service, or removing any parts for service be sure to drain as much of the water from the unit as possible. Use a protective mat or towel to prevent damage to the floor or having any of the remaining water spill on the floor.
All voltage checks should be made with a voltmeter having a full scale range of 250 volts or higher. After service is completed, be sure all safety grounding circuits are complete, all electrical connections are secure, and all access panels are in place.
Before servicing, make sure to remove all items include baskets inside dishwasher.
Part Photo Description This dishwasher use 2 kinds terminal type.
Terminal - Fasten type Fasten type P-Lock type P-Lock type Fasten type - P-Lock type
Buckle Remove the 1. Terminal with buckle. Terminal 2. Press the buckle, and pull out the terminal. - P-Lock type * P-lock type for drain pump.
1. Use the proper tool to firmly insert or remove Remove the the "fasten" type terminals on the Main PCB, the Terminal dispenser "rinse aid" level sensor, and the heater. - Fasten type Hold both sides of the connection to prevent bending the terminals or breaking the PCB.
3-2 3. Disassembly and Reassembly
Part Photo Description Preparation: * Make sure to disconnect the power.
1. You can see the Main-PBA case under the door.
2. Remove the two (2) screws of PBA case and pull out the PBA cover carefully.
3. Remove the all connectors in the PBA include two(2) fasten type ones at right side.
4. Remove the three (3) screws on the PBA board.
5. Pull out the PBA board carefully..
When removing the Main PBA, lift up the PBA board Main PBA carefully because it is hanging to the PBA case with two(2) hooks.
If you feel hard to disconnect the wire connectors. Follow the below. a. Release two(2) fasten type connector located right side. b. Unscrew the three(3) screws in PBA board & pull out the PBA board. c. Disconnect the wire connectors.
Reassembly is in the reverse order of the removal.
3-3 3. Disassembly and Reassembly
Part Photo Description Preparation: * Make sure to disconnect the power. * Remove the lower basket in the dishwasher. * Cover the Assy sump with towel for prevent losing screws.
1. Open the door completely. Remove the 12 screws holding the tub front, frame front, and control panel in place.
Before removing it, place a cushioned mat on the floor to prevent being scratched. After removing screws, make sure to hold the tub front using your hand. It can prevent closing door suddenly and harming you.
Frame front Caution Do not place the removed screws on the tub front. They may fall into the sump assy.
2. Pull out the Frame front & the Assy control panel carefully.
3. Remove the Assy control panel from Frame front. ( Pull out just a little and push down it.)
Preparation: * Disassemble the frame front.
1. When removing the door latch, lift up the door latch Door Lock Switch which is fixed by two hooks. (Door latch) Use a flat screwdriver to remove it.
2. Release the micro switch.
Reassembly is in the reverse order of the removal.
3-4 3. Disassembly and Reassembly
Part Photo Description Preparation: * Disassemble the frame front , Assy control panel and Door lock switch. - Refer the "Frame front" disassembly section to separate the Frame front.
1. Remove the two(2) screws on the control panel and release the window panel using flat screw driver. - Insert the flat screw driver into the gap of screw boss and turn it over.
Control Panel 2. Rotate the window panel to upside and + disconnect the wire connector. Window Panel (DMT800) 3. Release the two(2) screws on the window panel to release the guide LED.
Preparation: * Disassemble the frame front , Assy control panel and Door lock switch. - Refer the "Frame front" disassembly section to separate the Frame front.
