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Rev. 2/21/2017
Manifold, Pressure Switches, and Valves
(Reference Diagrams for Adjustment Procedure on Following Page)
The manifold assembly shown in Figures 1 – 4 below corresponds to item no. 21 on p. 6; item 1 on p. 7.
Filter
FIG. 5: Front view
Directional
valve
Adjustment hex
flats of relief valve
Relief valve
FIG. 7: Left side view
Copyright 2017 Vestil Manufacturing Corp.
Set screw on
knurled knob of
Pressure
pressure switch 1
switch #2
[NOTE: The knurled
(port PS2)
knob of PS2 also
has a set screw.]
Gauge port
Pressure
(GA); install
switch #1
3,000psi
(port PS1)
pressure gauge
Upper pressure
switch (PS2)
Sequence
valve
Gauge port (UL
GA); install
3,000psi pressure
gauge
FIG. 6: Rear view
Filter
Directional
valve
Lower pressure
switch (PS1)
FIG. 8: Right side view
Page 8 of 19
HDC-905, MANUAL
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