HS452, HS652 Rotary Vane Pumps - Agilent Technologies
HS452, HS652 Rotary Vane Pumps - Agilent Technologies
HS452, HS652 Rotary Vane Pumps - Agilent Technologies
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Installation Procedure<br />
Installation<br />
4<br />
WARNING!<br />
A safety device (indicated by the red arrow in the figure below) is installed<br />
on the pump to guarantee that the pressure inside the oil vessel never<br />
exceeds the maximum permitted value of 1.7 bar (abs). This is a safety<br />
device and for this reason the cap must not be replaced, damaged or<br />
tampered with. Temporary removal (by unscrewing) is allowed to fill oil into<br />
the pump when needed. Users are responsible for screwing the device back<br />
in its original position after filling and before starting the pump.<br />
Failure to respect these precautions may cause damage to the machine and<br />
injury to the operator.<br />
A mixture of intake gas and oil will issue from the safety cap if the pressure<br />
in the oil vessel exceeds the allowed limit values (e.g. obstructed exhaust).<br />
The flow will continue until the pump is stopped and/or the cause of<br />
overpressure is removed (e.g. obstruction is removed from exhaust).<br />
Figure 3<br />
<strong>HS452</strong>, <strong>HS652</strong> <strong>Rotary</strong> <strong>Vane</strong> <strong>Pumps</strong> User Manual / 87-900-978-01 (L) 61/126
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