DH Instruments 402102 Talimat Sayfası

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EXTERNAL RESERVOIR, P/N 402102,
INCLUDES:
DESCRIPTION
Assembly, External Reservoir kit
Tubing, PFA, 1/4 in. O.D. x 300 cm
Adaptor, 1/8 in.
NPTM x 1/4 in. Swage
Nut, SS, 1/4 in. Swage
Ferrule, SS, front, 1/4 in. Swage
Ferrule, SS, rear, 1/4 in. Swage
INTRODUCTION
The External Reservoir kit is designed for use with the
PPCH Hydraulic Pressure Controller.
reservoir is provided for applications requiring more
fluid than can be held in the 300 cm
The external reservoir is connected in series with the
internal reservoir so that internal reservoir features are
still available.
Figure 1. External Reservoir
1.
Return port, 1/4 in.
Swage
2.
Supply port, 1/4 in.
Swage
3.
Mounting bracket
QTY
PART NO.
1
402167
1
101450-Z
1
101532
1
100247
1
100248
1
100249
The external
3
internal reservoir.
4.
Fill cap, 1/2 in. Swage
5.
Vent Plug, 10-32 x 1/8
6.
Return Tube
External Reservoir
for PPCH™
4 liter capacity
P/N 402102
Instruction Sheet
NOTE: This instruction sheet is provided as a
quick installation guide. For further details, see
the PPCH Operation & Maintenance Manual's
sections on use of an external reservoir.
INITIAL CONSIDERATIONS FOR
INSTALLATION OF RESERVOIR
1. Internal reservoir attachments not used: When
using the internal reservoir, a fill tube bracket,
sight tube and funnel are mounted on the rear of
the PPCH. These attachments are not used with
the external reservoir.
already installed, remove them. Be sure to close
the FILL/DRAIN valve prior to removal.
2. Reservoir above the PPCH: The bottom of the
reservoir
must
be
instrument to ensure a proper gravity feed of fluid
to the internal reservoir and pump.
points in the tubing between PPCH and the
reservoir.
3. Secure the reservoir: Pass throughs (5.4 mm Ø)
are provided in the mounting bracket for securing
the reservoir.
4. Prepare the tubes: 300 cm of 1/4 in. O.D. PFA
tubing is provided for making tube connections
between the external reservoir and the PPCH.
The fittings on the external reservoir are 1/4 in.
Swage. The ferrules need to be swaged to each
end of the tubes.
5. Adaptor for Reservoir return: Use the supplied
1/8 in. NPTM x 1/4 in. Swage adaptor for the
EXTERNAL RESERVOIR RETURN bulkhead on
the PPCH.
To prevent accidental draining of the internal
reservoir, keep the FILL/DRAIN valve in the closed
position until the external reservoir is connected.
If the attachments are
higher
than
the
PPCH
Avoid low