Samsung DW50H4050 Series Assembly instructions

DISHWASHER
REPAIR Guide
DISHWASHER
BASIC MODEL : DW50H4050 Series
MODEL NAME : DW50R4070 Series
DW50R4060 Series
DW50R4050 Series
DW50R4040 Series
MODEL CODE : DW50R4070FS, DW50R4070FW,
DW50R4070BB, DW50R4060BB,
DW50R4050FS, DW50R4050FW,
DW50R4050BB, DW50R4040BB
* For End User.
DW50R40**BBDW50R40**F*

IMPORTANT SAFETY NOTICE
Following the repair by a non-authorized service provider self-repair or non-professional
repair of the product Samsung is not liable for any damage to the product any injury or
any other product safety issue caused by any attempt to repair the product which does
not carefully follow these repair and maintenance instructions. Any damage to the
product caused by an attempt to repair the product by any person other than a
Samsung certified service provider will not be covered by the warranty.
All rights reserved.
This service guide may not be reproduced in whole or
as a part in any form whatsoever without the written permission of
the SAMSUNG ELECTRONICS Company.
WARNING
Note
1. You can check where to buy replacement parts at http://www.samsung.com/support/
2. Visit the part purchase site and enter the model code of your product to check the parts available for pur-
chase. The model code is labelled on the edge of the tub. When you open the dishwasher’s door, you can
check the model code and version on the barcode label at the left side of the tub.
3. For replacement parts make sure the part name matches that of the illustration in this manual.
- User-serviceable parts are limited to door hinge and seals other seals spray arms drain lters interior racks
and plastic peripherals such as baskets and lids.
Caution
1. The part name listed on the site may differ from that in this manual. Please make sure you choose the right
part name.
2. Be sure to wear safety gloves while making repairs.
3. Must working more than 2 people to handling heavy weight.

Tools For Removal And Reassembly _ 3
1. TOOLS FOR REMOVAL AND REASSEMBLY
Tool image
No. Tool Type Remarks
①Adjustable Wrench
②Open-end Wrench 1-7/16”
③Vice Pliers
④Others
(screwdriver, nipper, long nose pliers)
Common tools for servicing
Screwdriver – Phillip, Flat, Torx T15
⑤Ear clamping tool In reassembling of the clamp-bend(ear clamp) using our
SVC part, this tool is needed.
NOTE :
Preparation for parts replacement
1. Remove 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 the 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 oor.
Be careful of the drain hose when pulling out the unit.
5. For materials and repair information related to self-repair, refer to the web site: www.samsung.com/support

4 _ Standard Disassembly Drawings
2. STANDARD DISASSEMBLY DRAWINGS
2-1. PRECAUTION
Caution
Before servicing,
- Make sure to remove all items include baskets inside dishwasher.
- Drain the water in the dishwasher and disconnect the power supply.
- Lock the water faucet that is connected with inlet hose.
- Uninstall the dishwasher from the furniture cabinet except simple work.
- Disconnect the Inlet & Drain hoses from the duct, if the hoses are too short to pull the dishwasher out of the furniture
cabinet enough.
- Make sure to remove any remaining water in the Sump and hoses by rag or vacuum.
→ There is a risk of water spill on the oor.

Standard Disassembly Drawings _ 5
2-2. CAP CASE BRAKE / GASKET BRAKE
- Cap Case Brake : DD81-02725A / SVC-CAP CASE BRAKE
- Gasket Brake : DD81-02726A / SVC-GASKET-BRAKE
Part Figure Description
CAP CASE
BRAKE /
GASKET
BRAKE
A
B
[DISASSEMBLY]
1. Remove 3 screws that connect left SIDE PANEL to
front side of dishwasher.
- Type A: DD81-02693A / 2 pcs
- Type B: DD81-02694A / 1 pc
Warning
Be sure to remove the power plug before servicing.
NOTE :
In case of Free Standing models, there’re no
screws of type B.
C
B
2
1
2. Remove 3 screws at the back side of dishwasher.
- Type C: DD81-02692A / 1 pc
- Type B: DD81-02694A / 2 pcs
NOTE :
In case of Free Standing models, take off the
COVER TOP by removing 2 screws of type A. After
removing screws, pull the COVER TOP backward
rst, and take it off upward.
Guide Tub Top
3. Remove 1 screw at the left side of GUIDE TUB
T O P.
- Screw: DD81-02694A / 1 pc

6 _ Standard Disassembly Drawings
Part Figure Description
CAP CASE
BRAKE /
GASKET
BRAKE
4. Take off the left SIDE PANEL.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
5. Take off the CAP CASE BRAKE by rotating to
counter-clockwise direction with long-nose pliers.
Caution
It can be broken easily when you use iron part of
the pliers. Take off the cap using handle part to
prevent damage.
Cap Case brake Gasket brake
6. Remove the GASKET BRAKE from the CASE
BRAKE assembly.
[ASSEMBLY]
1. Put the GASKET BRAKE on the CASE BRAKE,
and fasten the CAP CASE BRAKE by rotating to
clockwise direction with long-nose pliers.
Caution
It can be broken easily when you use iron part of
the pliers. Take off the cap using handle part to
prevent damage.
Caution
Pay attention to assemble the seal correctly.
It can cause the water leakage when it’s
misassembled.
2. Assemble the left SIDE PANEL with the screws.
Caution
Fasten the screws that was assembled to origin
location. Don’t assemble to other locations.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.

Standard Disassembly Drawings _ 7
2-3. DOOR HINGE
- Door Hinge : DD82-01675A, DD82-01676A / SVC ASSY-HINGE-RIGHT, SVC ASSY-HINGE-LEFT
Part Figure Description
DOOR HINGE
B
A
[DISASSEMBLY]
PREPARATION: Remove SIDE PANEL Left & Right
refer to the section of ‘CAP CASE
BRAKE / GASKET BRAKE’.
1. Remove 8 screws xing the ASSY CONTROL
PANEL with Torx® T15 screwdriver.
- Type A: DD81-02756A / 2 pcs
- Type B: DD81-02758A / 6 pcs
Warning
Be sure to remove the power plug before servicing.
Caution
The screws can fall into the SUMP after disassembly.
Keep the screws to other place to reassemble the
DOOR.
DW50R40**F*
DW50R40**BB
2. Remove wire connector that connect Main PBA to
Sub PBA.
C
3. Remove 6 screws to take off DOOR OUTER with
Torx® T15 screwdriver.
- Type C: DD81-02757A / 6 pcs
Warning
Be sure to remove the power plug before servicing.
Caution
Be careful to avoid injury when the DOOR is closed
after remove DOOR OUTER.
Caution
The screws can fall into the SUMP after disassembly.
Keep the screws to other place to reassemble the
DOOR.

8 _ Standard Disassembly Drawings
Part Figure Description
DOOR HINGE
Hook Hook
4. Remove 2 terminals that connected to
DETERGENT DISPENSER, and 1 ground wire that
connected to BRACKET DOOR FRAME.
Warning
Be sure to remove the power plug before servicing.
Caution
Pay attention to hook of terminals.
5. Remove HOLDER ROPE DOOR from the DOOR
HINGE left & right with the DOOR closed.
Caution
Pay attention to DOOR drop after remove the rope.
It can cause injury.
GUIDE HINGE
6. Push both ribs of GUIDE HINGE to pull out the DOOR.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge of broken parts.

Standard Disassembly Drawings _ 9
Part Figure Description
DOOR HINGE
About 15˚
7. Do same work at the opposite side, and pull out the
DOOR INNER assembly to the direction of about 15˚.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
8. Remove 2 screws to take off BRACKET DOOR
FRAME from the DOOR INNER.
- Screws: DD81-02728A / 2 pcs
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
9. Remove 2 screw at each side to take off DOOR
HINGE from the DOOR INNER.
- Screws: DD81-02764A / 4 pcs
10. Take off the GUIDE HINGE from the DOOR
HINGE.
NOTE :
DOOR HINGE and GUIDE HINGE will serviced to
assembly only.

10 _ Standard Disassembly Drawings
Part Figure Description
DOOR HINGE
[ASSEMBLY]
1. Assemble the DOOR HINGE assembly and
BRACKET DOOR FRAME with machine screws.
- Screws for DOOR HINGE assembly:
DD81-02764A / 4 pcs
- Screws for BRACKET DOOR FRAME:
DD81-02728A / 2 pcs
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
About 15˚
2. Put the DOOR INNER assembly into the holder of
TUB to lock the hook of DOOR HINGE.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
3. Put the HOLDER ROPE DOOR on the both side of
DOOR HINGE with the DOOR closed.
4. Connect 2 terminals of DETERGENT DISPENSER,
and 1 ground wire.
Caution
Make sure the Wire harness are not getting stuck in
other parts.

Standard Disassembly Drawings _ 11
Part Figure Description
DOOR HINGE
DW50R40**F*
DW50R40**BB
5. Connect the wire harness to Sub PBA.
Caution
Make sure the Wire harness are not getting stuck in
other parts.
B
A
6. Fix 8 screws to assemble the ASSY CONTROL
PANEL with Torx® T15 screwdriver.
- Type A: DD81-02756A / 2 pcs
- Type B: DD81-02758A / 6 pcs
DW50R40**F*
1
2
DW50R40**BB
1
2
7. Assemble the holes of DOOR OUTER to hooks of
CONTROL PANEL.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
Holes of door outer (DW50R40**F*)
Ribs of control panel (DW50R40**F*)
Holes of door outer (DW50R40**BB)
Ribs of control panel (DW50R40**BB)

12 _ Standard Disassembly Drawings
Part Figure Description
DOOR HINGE
C
8. Fasten 6 screws to x the DOOR OUTER.
NOTE :
Use the Torx® T15 screw driver.
- Type C: DD81-02757A / 6 pcs

Standard Disassembly Drawings _ 13
2-4. HOLDER HINGE
- Holder Hinge : DD81-02763A / SVC-HOLDER HINGE
Part Figure Description
HOLDER HINGE
[DISASSEMBLY]
* PREPARATION: Disassemble SIDE PANEL left &
right.
1. Remove HOLDER ROPE DOOR from the DOOR
HINGE left & right with the DOOR closed.
Warning
Be sure to remove the power plug before servicing.
Caution
Pay attention to DOOR drop after remove the rope.
It can cause injury.
2. Remove HOLDER HINGE from the DOOR HINGE.
Caution
Be careful to avoid injury from the DOOR drop
without HOLDER ROPE DOOR.
NOTE :
Rotate the HOLDER HINGE to release from hook.
[ASSEMBLY]
* Reassembly is the reverse order of disassembly.

14 _ Standard Disassembly Drawings
2-5. SEAL TUB PACKING
- Seal Tub Packing : DD81-02898A / SVC-SEAL TUB PACKING
Part Figure Description
SEAL TUB
PACKING
Seal tub packing
Bracket seal tub
[DISASSEMBLY]
1. Pull out the old seal from the BRACKET SEAL
TUB.
Warning
Be sure to remove the power plug before servicing.
Warning
Be careful to touch the BRACKET SEAL TUB after
removed the seal.
It can cause injury from sharp edge.
Insert to Bracket
seal Tub
Seal tip
Seal tip faces to
inside
[ASSEMBLY]
1. Put some water on new SEAL TUB PACKING to
assemble it easily. Fold the SEAL TUB PACKING in
half with the tip of the seal facing inward.
Caution
Pay attention to the direction of seal. If it is
assembled in reverse, it may cause leakage of
steam or water.
Center
About 20 cm
2. Assemble the SEAL TUB PACKING to center of the
BRACKET SEAL TUB. Press seal about 20 cm (red
dotted line) on both sides based on the center line.

Standard Disassembly Drawings _ 15
Part Figure Description
SEAL TUB
PACKING
About 3~4 cm
3. Put Seal in the left & right side of the bottom.
NOTE :
The folded seal is about 3~4 cm long.
4. Press the seal from the top corner toward remaining
side.
Caution
Pay attention to assemble not to deform the seal
tip at the corner. If the gap is opened, it may cause
steam leakage.

16 _ Standard Disassembly Drawings
2-6. ROTOR LOWER / ASSY DUCT NOZZLE
- Rotor Lower : DD81-02874A / SVC-ROTOR LOWER
- Assy Duct Nozzle : DD82-01713A / SVC ASSY-DUCT NOZZLE (DW50R4070**/DW50R4060**/DW50R4050**)
DD82-01713B / SVC ASSY-DUCT NOZZLE (DW50R4040**)
Part Figure Description
ROTOR LOWER
/ ASSY DUCT
NOZZLE
[DISASSEMBLY]
1. Open the dishwasher’s DOOR.
Rotor lower
2. Take ROTOR LOWER off upward.
3. Turn the COARSE FILTER counter-clockwise to
unlock the lter assembly.
4. Remove 2 screws to take off ASSY DUCT NOZZLE.
- Screws: DD81-02718A / 2 pcs

Standard Disassembly Drawings _ 17
Part Figure Description
ROTOR LOWER
/ ASSY DUCT
NOZZLE
Duct Nozzle assembly
(DW50R4070**/DW50R4060**/
DW50R4050**)
Duct Nozzle assembly
(DW50R4040**)
5. Release the hooks from tub holders.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
Caution
Make sure to reassemble to correct location.
There’re risks of leakage or poor performance
when it’s misassembled.
NOTE :
There's no Top rotor for DW50R4040** model.

18 _ Standard Disassembly Drawings
Part Figure Description
ROTOR LOWER
/ ASSY DUCT
NOZZLE
Sump
Guide of Holder
Bottom of Holder
Rib
[ASSEMBLY]
1. Put the HOLDER ROTOR LOWER on the SUMP.
Caution
Pay attention to assemble the HOLDER ROTOR
LOWER correctly. There’re risks of leakage or poor
performance when it’s misassembled.

Standard Disassembly Drawings _ 19
Part Figure Description
ROTOR LOWER
/ ASSY DUCT
NOZZLE
2. Assemble the ASSY DUCT NOZZLE to hooks and
on the HOLDER ROTOR LOWER.
Warning
Do not this work without safety gloves. It can cause
injury from sharp edge.
Caution
Make sure to reassemble to correct location.
There’re risks of leakage or poor performance
when it’s misassembled.
NOTE :
There's no Top rotor for DW50R4040** model.
3. Fasten 2 screws to t the ASSY DUCT NOZZLE.
- Screws: DD81-02718A / 2 pcs
4. Put the ROTOR LOWER onto the HOLDER
ROTOR LOWER.

20 _ Standard Disassembly Drawings
2-7. ASSY ROTOR MIDDLE
- Assy Rotor Middle : DD82-01776A / SVC ASSY-ROTOR MIDDLE
Part Figure Description
ASSY ROTOR
MIDDLE
[DISASSEMBLY]
1. Open the dishwasher’s DOOR, and take off the
BASKET MIDDLE.
2. Release 2 hooks to take off ASSY ROTOR MIDDLE
from the BASKET MIDDLE.
Caution
Be careful not to break the hooks.
[ASSEMBLY]
1. Reassembly is the reverse order of disassembly.
long short
long
short
NOTE :
To disassemble the ROTOR MIDDLE only, loosen
the HOLDER ROTOR MIDDLE to counter-clockwise
direction.
NOTE :
Make sure to t the hook to the correct location of
ROTOR MIDDLE.