Maintenance and Servicing | 42
Figure 35: Drain Valve Actuator Assembly
Installing the New Cylinder
1 Insert cylinder into drain valve. Tilt cylinder forward and fit end of steam hose to steam
outlet. Tip cylinder back into place.
2 Tighten hose clamp being careful not to over tighten and crush the plastic cylinder steam
outlet.
3 Attach color-coded cylinder plugs to the corresponding color-coded cylinder pin. Push down
completely. Connect high water sensor plug. Spring-loaded plugs should fit snuggly onto
the cylinder pin. Replace if they are loose or damaged.
4 Replace the humidifier cover and secure with two screws.
5 Turn on power to humidifier with the external disconnect.
6 Open supply water shut off valve.
7 Turn the humidifier On/Off /Drain switch to On.
Sleeve
and
Solenoid
Spring
Plunger
(Note Orientation)
CAUTION: Make sure the new cylinder is the same model as the one that was removed.
Model number is on top left corner of cylinder label.
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