Grizzly G0648 owner manual Changing Rolling Filter Timing, To change the rolling-filter timing

Changing Rolling-

Filter Timing

As the rolling-type filter becomes clogged, the EXHAUSTING TIME and ROLLING TIME should be set to advance the rolling type filter as to expose just enough filter paper so that a good working CFM is maintained. This is accomplished by unrolling just enough filter paper to maintain adequate suction at the point of welding. The general idea is to initially find the point at which the filter paper begins to clog and suction begins to drop off. When you determine that point, both (or either) the EXHAUSTING TIME or FILTER ROLLING TIME settings should be adjusted to restore acceptable suction.

Exhausting Time: This is the time interval between the filter advance events. The time inter- vals can be set at 30, 45, 60, 120, 180, and 240 minutes. For example, if 45 minutes is selected, the filter will advance every 45 minutes for the duration you have selected below under FILTER ROLLING TIME.

Filter Rolling Time: This is the time duration the filter is allowed to advance, which exposes new filter paper. The advance time can be set at 10, 15, 20, 25, 30 or 40 seconds. For example, the greater the filter rolling time, the more fresh filter paper is exposed.

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To change the rolling-filter timing:

1.Stop the machine.

2.Refer to the Rolling Filter Consumption Chart on Page 21 to select your needed time values.

3.Open the control panel door (Figure 10).

4.Slide the NOR/SET switch (Figure 10) to the SET position.

Figure 10. NOR/SET control.

5.Press the Time Setting buttons on the control panel to your new time settings.

6.Slide the NOR/SET switch to the NOR posi- tion.

7.Close the control panel door.

G0648 Welding Fume Extractor