8
9. Press the spring (16) onto the end of the HP balance plug (19).
Pass the stem of the HP seat (15) through the spring and into
the HP plug.
10. Insert the HP plug assembly into the body (12). Using a in/lb
torque wrench and a 6mm hex key adapter, torque the HP
plug to 70 in/lbs (8 Nm).
11.
Press the lter shield (22)
with the raised tabs fac-
ing outward into the yoke
clamp connector (21).
13. Hold the rst stage with
the inlet opening facing
downward. Pass the yoke
connector (21) through the
yoke (20) and into the body
(12). Tighten by hand
.
14. Using a vise mounting
tool, install the rst stage
into a bench vise. With a
ft/lb torque wrench and a
3/4” box wrench, torque
the yoke clamp connector
(21) to 14.7 ft/lbs (20 Nm).
Installation of Yoke Connection
15. Attach the dust cap (23) to the yoke clamp (20) by stretch-
ing it over the ange at the top of the yoke clamp. Thread the
yoke clamp screw (25) into the yoke clamp. Remove the rst
stage from the bench vise, remove vise mounting tool.
CAUTION: You must hold the yoke clamp assembly
vertically while being installed. Failure to do this can
cause the o-ring to not seat properly which in turn
will create a HP leak.
NOTE: For installation of DIN connection, go directly to step 16
12.
Insert the small end of the conical lter (35) into the threaded
end of the yoke clamp connector (21). Install a unlubricated
o-ring (13) into the end of the connector.
16. Install a unlubricated o-ring
(24) into the face of the
handwheel connector (33).
Installation of DIN Connection
NOTE: After completing the yoke installation, go directly to
ADJUSTING THE FIRST STAGE on page 9.
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