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TABLE OF CONTENTS
MANIFOLD, PRESSURE SWITCHES, AND VALVES
Reference Diagrams for
Manifold assembly shown below in Figures 5 – 8 below corresponds to
Filter
FIG. 5: Front view
Directional
valve
Adjustment hex
flats of relief valve
Relief valve
FIG. 7: Left side view
TABLE OF CONTENTS
VALVE AND PRESSURE SWITCH ADJUSTMENT PROCEDURE
Pressure
switch #2
(port PS2)
Pressure
switch #1
(port PS1)
Sequence
valve
Gauge port (UL
GA); install
3,000psi pressure
gauge
Copyright 2023 Vestil Manufacturing Co.
Rev. 1/16/2023
item no. 21 on p. 6
Set screw on
knurled knob of
pressure switch 1
[NOTE: The knurled
knob of PS2 also
has a set screw.]
Gauge port
(GA); install
3,000psi
pressure gauge
FIG. 6: Rear view
Upper pressure
switch (PS2)
FIG. 8: Right side view
HDC-905 MANUAL
on p. 9.
and to
Fig. 4 on p.
Filter
Directional
valve
Lower pressure
switch (PS1)
Page 8 of 19
7.
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