Table of Contents
Advertisement
3.10.3
Check the direction of rotation
Ensure that the pump-motor rotates in the correct direction. If it does not, the pump and your vacuum system
can become pressurised.
Refer to
Figure 1
for the item numbers in brackets.
1. Watch the motor cooling-fan through the motor fan-cover (13).
2. Use the on/off switch (12) to switch-on the electrical supply to the motor for a few seconds.
3. Check that the motor cooling-fan rotates in the correct direction (14) shown by the arrow on the motor
fan-cover. If the direction of rotation is incorrect, switch off the electrical supply immediately and contact your
supplier or Edwards for advice.
3.11
Inlet and outlet connections
Connect the exhaust to a suitable treatment plant to prevent the discharge of dangerous gases and
vapours to the surrounding atmosphere.
Ensure that the outlet hose is routed below the level of the pump outlet. If you do not, condensates may drain
back into the pump and damage it.
Refer to
Figure
1. Use suitable
inlet catchpot, and to connect the outlet (5) on the oil mist filter to your exhaust-extraction system.
3.12
Leak-test the system
Leak-test the system and seal any leaks found after you have installed the E-LAB 2, to prevent leakage of substances
out of the system and leakage of air into the system.
© Edwards Limited 2007. All rights reserved.
Edwards and the Edwards logo are trade marks of Edwards Limited.
CAUTION
WARNING
CAUTION
1
/
inch inside diameter hose to connect your vacuum system to the inlet (3) on the
2
A652–07–880 Issue C
Page 21
Advertisement
Table of Contents
