ELECTRODE HUMIDIFIER CYLINDER REPLACEMENT
Fig. 3. Cylinder Removal
Drain Valve Cleaning
Always clean the drain valve before installing a new
cylinder. Scale from the spent cylinder may have fallen
into the drain valve and could prevent its proper operation.
To properly clean the drain valve it must be removed and
disassembled.
1.
Disconnect spade terminals from the drain valve.
2.
Remove the two screws holding the valve to the
drain pan.
3.
Squeeze the tabs of the spring clamp holding the
hose to the drain valve and slide it up the hose. Pull
hose from drain valve. Lift the drain valve from the
drain pan.
4.
Unsnap red coil cap on solenoid and remove the
solenoid from the valve.
5.
Loosen brass nut holding actuator to plastic hous-
ing with a wrench and disassemble actuator.
6.
Clean actuator components and valve housing (inlet
port, outlet port, and cylinder port). Put new o-ring
that was supplied with new cylinder into valve.
7.
Reassemble actuator making sure tapered end of
spring is oriented as shown in Fig. 4. Tighten brass
nut 1/4 turn past hand tight.
8.
Clean out end of hose and reattach to valve. Slide
hose clamp back in place and place valve into drain
pan.
9.
Secure valve with 2 screws.
Fig. 4. Drain Valve
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