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INTRODUCTION
Model 50-868 Delta Air Cleaner is specifically designed to quietly circulate and filter non-metallic dust
which is generated throughout the work area. The Air Cleaner is furnished with two filters: a disposable
outer filter which filters out larger particles five microns in size, and a secondary filter which captures 91%
of the dust particles of one micron in size (one micron = one millionth of a meter). Because breathing micro-
scopic particles can be a potential health hazard, filtering microscopic dust particles offers a cleaner and
safer environment. This Air Cleaner will filter the air in a room measuring 20’ x 20’ x 8’ either 13, 16, or 18
times an hour, depending on the setting. If desired, multiple units can be used to filter larger areas. The Air
Cleaner is maintenance free. An occasional cleaning and/or replacement of filters is the only required
maintenance.
UNPACKING
The Air Cleaner is shipped complete in one shipping container. Carefully unpack the Air Cleaner and all loose
items from the shipping container.
DO NOT LIFT THE AIR CLEANER BY POWER CORD.
4
Fig. A Fig. B
GROUNDED OUTLET BOX
CURRENT
CARRYING
PRONGS
GROUNDING BLADE
IS LONGEST OF THE 3 BLADES
GROUNDED OUTLET BOX
GROUNDING
MEANS
ADAPTER
HOLES
HOLES
EXTENSION CORDS
Use proper extension cords. Make sure your extension
cord is in good condition and is a 3-wire extension
cord which has a 3-prong grounding type plug and
a 3-hole receptacle which will accept the machine’s
plug. When using an extension cord, be sure to use
one heavy enough to carry the current of the machine.
An undersized cord will cause a drop in line voltage,
resulting in loss of power and overheating. Fig. C shows
the correct gauge to use depending on the cord length.
If in doubt, use the next heavier gauge. The smaller the
gauge number, the heavier the cord.
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC TOOLS
Ampere Volts Total Length of Gauge of
Rating Cord in Feet Extension Cord
0-6 120 up to 25 18 AWG
0-6 120 25-50 16 AWG
0-6 120 50-100 16 AWG
0-6 120 100-150 14 AWG
6-10 120 up to 25 18 AWG
6-10 120 25-50 16 AWG
6-10 120 50-100 14 AWG
6-10 120 100-150 12 AWG
10-12 120 up to 25 16 AWG
10-12 120 25-50 16 AWG
10-12 120 50-100 14 AWG
10-12 120 100-150 12 AWG
12-16 120 up to 25 14 AWG
12-16 120 25-50 12 AWG
12-16 120
GREATER THAN 50 FEET NOT RECOMMENDED
Fig. C