Figure 7
5-4
Drive Cap Assembly, Main Piston and
Regenerant Piston
The drive assembly must be removed to access the drive
cap assembly. The drive cap assembly must be removed to
access the piston(s). The drive cap assembly is threaded
into the control valve body and seals with an o-ring. To
remove the drive cap assembly use the special plastic
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engages the notches molded into the drive back plate around
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y. See Figure 7. The notches are visible
through the holes. Lever the screwdriver so the drive cap
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the drive
cap assembly by hand and pull straight out. The drive cap
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drive cap assembly is the o-ring. Attached to the drive cap
assembly is the main piston and a regenerant piston.
The regenerant piston (the small diameter one behind the main
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Reattach the main piston to the drive cap assembly. Reattach
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drive cap assembly and piston into the spacer stack assembly
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the drive cap assembly using a screwdriver as a ratchet until
the black o-ring on the spacer stack assembly is no longer
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break the
notches molded into the drive back plate. Make certain that
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y.
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back in. This resets the electronics and establishes the service
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service position.
Spacer Stack Assembly
To access the spacer stack assembly remove the drive
asse
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assembly can be removed easily without tools by using
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-
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The spacer stack assembly may be chemically cleaned (dilute
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The spacer stack assembly can be pushed in to the control valve
body bore by hand. Since the spacer stack assembly can be
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spacer stack assembly in. The control valve body bore interior
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Reattach the drive cap assembly and piston(s) and the drive
assembly.
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(black wire) and plug back in. This resets the electronics and
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reset the valve to the service position.
Injector Cap, Screen, Injector Plug and Injector
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out with air. Both pieces have small diameter holes that control
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