Yamato Scientific WG221S Water Purifiers - Manual (Page 42)

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Maintenance
Cleaning Still
Removal the still
1. Turn “OFF” the circuit breaker.
2. Close the faucet.
3. Make sure if the boiler cools down enough (about more than 30 min. later). Open the front door of this
unit and the valve to drain boiler water.
4. Remove both hose connected to the ① boiler and ② condenser respectively. Twist the hose-band by
using tools, move the part of notches and you can remove the exit of distilled water and outlet/drain of
boiler. When you remove them, be careful not to damage the glasses with giving excessive power.
Remove the nut of entrance and exit of cooling water by rotating counterclockwise. Be sure not to lose
the inside packing.
5. Take off the four connecting screws by cross screwdriver, and take off the left side board.
6. By cross screwdriver, loosen the four connecting screws in right side of terminal rack that is in the upper
right of framework made by removing the left side board. Pull the heater terminal.