Samsung DMT300 Series Training Manual page 15

Disassembly and Reassembly - 2. HEATER (1/2)
1) Open the door and separate the upper and lower
baskets from the dish washer.
2) Separate the lower nozzle.
3) Separate the duct nozzle.
4) Disassemble the sump ass‟y and separate the
cover sump & cover heater.