Samsung DMR78AHS/XAC Service Manual page 17

Part
Heater
Photo
3. Disassembly and Reassembly
Description
1. Open the door completely.
Remove the upper and lower baskets.
Place the baskets you've just removed in a safe
location so that they do not interfere with the
service operations and to prevent them from being
damaged.
2. Use your hand to hold the lower nozzle and remove
it.
Place the removed lower nozzle in a safe location
along with the bask ets.
3. Hold the nozzle duct, and rotate and remove it.
To remove it smoothly, remove the hooks clamping
the bracket duct (U) using a flat screwdriver and
remove the hooks clamping the bracket duct (M).
Pull them out while rotating them to the left.
4. Remove the cover heater from the sump assy.
You will need a flat screwdriver for the removal.
To remove a hook from the cover heater, insert the
end of the screwdriver into the gap between cover
heater and cover sump, and push the handle of
screwdriver and the hook.
Remove remain four(4) hooks using same way.
5. Place the dishwasher on its back so that you can
see the base. Remove the two (2) screws that hold
the base and the shutter in place.
Caution
Before placing the dishwasher on its back, make
sure to check whether any water is left. Remove
any remaining water. (There is a risk of fire due to a
water leakage while servicing).
6. Remove the leakage sensor connector (white) in the
shutter.
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