June 28, 2016, 715003956 Rev. C
Page 81
To connect the diaphragm pump:
1. Hook the pump on to the 3 diaphragm pump supports on the rear of the instrument, shown
in the figure on page 80.
2. Secure the pump to the instrument using the 2 screws, and tighten them using the Phillips
(cross-head) screwdriver.
3. Connect the length of diaphragm pump vacuum hose in step 2 to the 1-inch OD straight
vacuum port on the instrument’s rear panel.
4. Route the open end of the exhaust tubing to a suitable exhaust vent.
5. Connect the diaphragm pump cable to the backing pump connector on the instrument’s rear
panel (see page 80).
Requirement: When using the diaphragm pump, ensure that the 0.1-mm entrance-aperture
disc is installed.
Warning: To avoid personal contamination with biohazards or toxic materials in used pump oil,
always wear chemical-resistant, powder-free gloves while performing this procedure.
Notice: The instrument requires two separate exhaust systems: one for nitrogen, the
other for the backing pump. Vent them to atmosphere through separate exhaust
lines. Oil mist can severely damage the instrument if the nitrogen exhaust line
connects with the backing pump exhaust line. Your warranty does not cover damage
caused by routing exhaust lines incorrectly.
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