Turns out this was not the manual i was looking for. The concertmate 670 keyboard i have is a "Realistic" model made for Radio Shack and none of the diagrams on the owners manual i received matches up. HOWEVER, I must say the service Owners Manual provides was fast and efficient by being available online. The manual was in good readable condition and easily downloaded.
Thank´s for your help, I already recived these manual from you
Text excerpt from page 17 (click to view)
4. Drain filter
The drain filter collects threads and small
objects inadvertently left in the laundry. Check regularly that the filter is clean. Open the filter door. Place a container under the filter and unscrew it.
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Pull out the filter. Clean the filter under a running tap, then refit it, screwing it fully in.
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5. Emergency emptying out
If the water is not discharged (drain pump is blocked, filter or drain hose are clogged), proceed as follows to empty out the machine: s pull out the plug from the power socket; s close the water tap; s if necessary, wait until the water has cooled down; s place a bowl on the floor; s put the drain hose end into the bowl and let the water come out. Should it not be possible to have access to the drain hose because, for example, the appliance is built in the kitchen furniture, slightly loosen the drain filter after placing a bowl on the floor, to let the water come out slowly. At the end screw the filter again.
6. The dangers of freezing
If the machine is exposed to temperatures below 0°C, certain precautions should be taken. s Turn off the water tap.
s s
Unscrew the inlet hose. Unhook the drain hose from the rear support and position the end of this hose and that of the inlet hose in a bowl. Run the draining programme until the selector dial is in the �Stop� position. Switch the machine off. Screw the inlet hose and reposition the drain hose. When you intend to start the machine up again, make sure that the room temperature is above 0°C.