Page 2 For technical questions, please call 1‑800‑444‑3353. SKU 68021
SAVE THIS MANUAL
Keep this manual for the safety warnings
and precautions, assembly, operating,
inspection, maintenance and cleaning
procedures. Write the product’s serial number
in the back of the manual near the assembly
diagram (or month and year of purchase if
product has no number). Keep this manual
and the receipt in a safe and dry place for
future reference.
Safety Alert Symbol and Signal
Words
In this manual, on the labeling, and
all other information provided with
this product:
This is the safety alert
symbol. It is used to alert
you to potential personal
injury hazards. Obey all
safety messages that follow
this symbol to avoid possible
injury or death.
DANGER indicates a
hazardous situation
which, if not avoided, will result
in death or serious injury.
WARNING indicates a
hazardous situation
which, if not avoided, could
result in death or serious injury.
CAUTION, used with
the safety alert
symbol, indicates a hazardous
situation which, if not avoided,
could result in minor or moderate
injury.
NOTICE is used to
address practices not
related to personal injury.
CAUTION, without the
safety alert symbol, is
used to address practices not
related to personal injury.
Symbol Denitions
Symbol Property or statement
PSI
Pounds per square inch of pressure
CFM
Cubic Feet per Minute ow
SCFM
Cubic Feet per Minute ow at standard
conditions
NPT
National pipe thread, tapered
NPS
National pipe thread, straight
WARNING marking concerning Risk of
Eye Injury. Wear ANSI-approved safety
goggles with side shields.
Warning marking concerning Risk of
Puncture Injury. Wear heavy-duty work
gloves.
Read the manual before set-up and/or
use.
WARNING marking concerning Risk of
Hearing Loss. Wear hearing protection.
WARNING marking concerning Risk
of Respiratory Injury. Wear NIOSH-
approved dust mask/respirator.
WARNING marking concerning Risk of
Explosion.
IMPORTANT SAFETY S
INSTRUCTIONS PERTAINING
TO A RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY
TO PERSONS
Important Safety Instructions