Yamato Scientific WG221S Water Purifiers - Manual (Page 47)

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Maintenance
Clean Water Supply Hose Filter
(1) Close the faucet and remove the water supply
hose after turning off the unit breaker.
(2) Remove ② plug from ① ring with turning.
(3) Clean ⑦ filter in the plug by tap water.
(4) Push the filter by flat end of a pencil etc. from
the hole at the side of sleeve in case of terrible
stoppage.
(5) Brush the filter.
(6) Assemble the filter in the reverse procedure.
Exchange Hoses
● Use the specified hose for exchange.