Harbor Freight Tools 68021 Save this Manual, Safety Alert Symbol and Signal Words

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 Definitions
Symbol	Property or statement
PSI	Pounds per square inch of pressure
CFM	Cubic Feet per Minute flow
SCFM	Cubic Feet per Minute flow 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.

ImportantIMPORTANTSafety InstructionsSAFETY S

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY

TO PERSONS

Page 2 For technical questions, please call 1-800-444-3353. SKU 68021