Leslie Controls AEROFLOW SUPPLEMENT Special Upseating Mini-P FTC Actuator Adjustment - Manual (Page 2)

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adjusted. The bench set for the actuator should
be approximately starting at 21 psig to start
closing the valve (retracting stem) and ending at
26 psig when the valve is closed (actuator stem
fully retracted).
11. The valve is to have the limit switch mounted in
the valve closed position. The valve is an
upseating valve so the limit switch must be
adjusted to activate when the piston actuator
reaches the top of its stroke (fully retracts). (As a
point of reference Fig. 1 shows the valve in the
open position.)
MAINTENANCE
1. The valve IOM should be followed for all
operating and maintenance procedures.
Figure 1 – Valve Assembly Shown in Open Position