Machine Operation
www.nationalequipment.com
Phone: 763-315-5300
11
FILTER CHANGE
WARNING: RISK OF DUST DISPERSION - USE PERSONAL SAFETY EQUIPMENT
UNHEALTHY DUST CAN BE SPREAD DURING FILTER CHANGE. ACCORDINGLY, THE USER
SHOULD WEAR PROTECTIVEGLASSES, PROTECTIVE GLOVES, AND A BREATHING MASK
CONFORMING TO PROTECTION CLASS FFP3 SWITCH OFF THE MACHINE AND PULL THE
PLUG OUT OF THE SOCKET.
PREFILTER
(Large) Stock # 3474-200900050
1. Loosen the 3 clamps and remove the top.
2. Lift out the fi lter.
3. Insert
new
fi lter. Only fi lters purchased from National may be used.
HEPA FILTER
(Small) Stock# 3474-200700070 x2
1. Loosen the two nuts on the fi lter cap.
2. Carefully lift the fi lter into a clean plastic bag. Note: This bag must be properly
disposed of.
3. Insert a new fi lters in reverse order.
4. Check the seal when changing fi lters and changing defective seals.
PURGE VAC
To maximize airfl ow operator must periodically purge machine!
As airfl ow lessens follow purging instruction below:
1. Shut off vac.
2. Remove vacuum hose from hose inlet (Ref 2).
3. Cover hose inlet with plastic cap suspended from machine (Ref 2).
NOTE: IF PLASTIC CAP IS NOT AVAILABLE, CAREFULLY COVER INLET WITH THE PALM OF
YOUR HAND (SEE FIGURE D). USE PROPER SAFETY EQUIPMENT!
4. Turn vac
ON.
5. Slowly press handle valve a minimum of 3-4 times to engage jet pulse/purge (Ref 3).
6. Turn vac
OFF.
7. Remove plastic cap from inlet.
8. Connect vacuum hose to inlet.
9. Once the dust collector has been properly purged the air fl ow should view in the
green position. If red, continue to purge or change fi lters.
NOTE: SEE PAGE 14 FOR ADDITIONAL FILTER TROUBLE SHOOTING.
FIG. D
FIG. C
Ref 3
Ref 2
Ref 1
Содержание 3474-L-SUN
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