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Figure B–3: Backing pump clearance
Left-side minimum clearance is 15.24 cm (6 inches)
Back-side minimum clearance is 15.24 cm (6 inches)
Right-side minimum clearance is 15.24 cm (6 inches)
Front-side minimum clearance is 35.56 cm (14 inches)
To connect the backing pump:
1.
Place a suitable PTFE drip tray on the floor within five feet of the instrument.
Requirement:
the gas ballast valve and the oil-level sight glass.
2.
Place the pump on the PTFE drip tray.
3.
Use the NW16 center ring and clamp and the 7-mm nut driver to attach the flanged end of
a length of 1-inch ID vacuum hose to the vacuum port on the pump.
4.
Use a hose clamp to connect the opposite end of the length of 1-inch vacuum hose in step
3 to the 1-inch OD straight vacuum port on the instrument's rear panel.
Note:
To avoid gas leaks, use the sharp knife to cut the PVC exhaust tubing squarely.
April 27, 2020, 715005564 Ver. 01 (previously released as Rev. A)
The pump must be positioned in a way that allows easy daily access to
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