Changing the pre-Filter
1. To remove the pre-filter pad, the main filter must be removed first and turned over
2. Remove the older pre-filter and replace it with a new one making sure the smooth side of the
pre-filter pad is facing the main filter
3. Turn the filter locking handle 180º clockwise so that it is horizontal
4. Close and lock the door. The machine may now be restarted
Warning alerts
Warning Status
An audible chime every 20 seconds while the keypad flashes red every 10 seconds is designed to give the
user advanced warning so that action can be taken.
Alarm Status
An audible chime and keypad flashing every 1 second means immediate action must be taken.
The three columns on the graphic display correspond to three alerts. The far left column is for “Filter
Blocked Warning”. The middle column above the respirator icon is for “gas sensor” and the right column
warning is for “Particulate Sensor”.
Please see the Purex Manual for further details.
Changing the Fuse
1. Make sure the machine is disconnected from the main power supply
2. Remove the fuse by unscrewing the fuse cap with a screwdriver counterclockwise and remove the
fuse
3. Check the fuse holder for any damage. If there is damage contact Purex Technical Support
4. Replace with a new fuse of correct rating. Please contact Purex if is there is a question of
compatibility
5. Reattach the fuse cap and turn it 1¼ full turns clockwise
Instructional Bulletin #1.00
TrafficJet™ Purex Fume Extractor
Page 5 of 6
