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MS900 stand
2) Use the valve key (included in the kit) to unscrew the valve cartridge (refer to Figure 20).
3) Rinse it under a stream of water.
4) Install the valve cartridge in its place.
5) Attach the valve actuator back in its place.
7.4. Replacement of the blower air filter
To replace the air filter (B21053PR and its equivalents), it is necessary to remove the rear panel of
the MS900A module. Then, unscrew the nuts (item 1 in Figure 21), remove the cover (item 2), and
disassemble the filter (item 3). Install a new filter and secure it.
22
Figure 20
Figure 21