Harbor Freight Tools Model 99792 User Manual
Page 6
SKU 99792
For technical questions, please call 1-800-444-3353.
Page 6
Symbol Definitions
Symbol
Property or statement
ft-lb
Foot-pounds of torque
BPM
Blows per minute
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
eye protection.
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.
Specific Safety Instructions
1. Always disconnect tool from its com-
pressed air supply source before per-
forming any services or maintenance,
Such as cleaning the tool, moving to
a different work location, handing the
tool to another person, etc.
Caution: After disconnecting the TOOL
from the air compressor, the TOOL
may still be pressurized. Point the
TOOL onto an extra piece of work
surface and depress the trigger until
all pressure is released. Also:
a. Never use combustible gas as a
power source.
b. Never operate this tool at greater
than 90 PSI operating pressure.
Warning: People with pacemakers should
consult their physician(s) before us-
ing this product; operation of equip-
ment in close proximity to a heart
pacemaker could cause interference
or failure of the pacemaker.
2. Your risk from these exposures var-
ies, depending on how often you
do this type of work. To reduce your
exposure to these chemicals: work in
a well ventilated area, and work with
approved safety equipment, such as
those dust masks that are specially
designed to filter out microscopic
particles.
3. The warnings and precautions dis-
cussed in this manual cannot cover
all possible conditions and situations
that may occur. It must be under-
stood by the operator that common
sense and caution are factors which
cannot be built into this product, but
must be supplied by the operator.
4. WARNING: Some dust created by
power sanding, sawing, grinding, drill-
ing, and other construction activities,
contains chemicals known [to the
State of California] to cause cancer,
birth defects or other reproductive
harm. Some examples of these
chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and
cement or other masonry products
• Arsenic and chromium from chemi-
cally treated lumber
Your risk from these exposures var-
ies, depending on how often you do
this type of work. To reduce your
exposure to these chemicals: work in