Portable Weld Fume Extractor
BLOWER ROTATION
If blower rotation is incorrect, the unit will suffer a significant performance loss as well as an increase
in noise level. Make sure the blower is rotating properly. To check blower rotation, have a colleague
start the unit, count to '4', and then stop unit. As the fan slows, watch the rotation. When power is
properly connected, the blower will rotate counter-clockwise when viewed from the exhaust of
the Portable Unit. Make sure to check rotation from the exhaust (back) side. To
change the blower rotation direction, simply swap any (2) of the incoming power leads.
PLEASE NOTE: IT IS VERY IMPORTANT TO VIEW THE ROTATION
FROM THE EXHAUST OF THE PORTABLE UNIT!
Page 16 of 23
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