Page 6
SAFETY INSTRUCTIONS
DO NOT operate the AIR-SPADE
®
until operating
and safety instructions are fully read and
understood.
DO NOT use the AIR-SPADE
®
as a pry bar.
DO NOT make any modifications to the AIR-
SPADE
®
.
DO NOT point or aim the AIR-SPADE
®
at any
person during operation.
DO NOT tie, tape or otherwise lock or fasten the
trigger into on open operating position.
DO NOT expose bare skin to the supersonic air
stream exiting the nozzle.
ALWAYS wear appropriate protective work
clothing and equipment. Cut and puncture
resistant gloves, approved safely eye glasses
with side shields and / or face protection, and
approved hearing protective earplugs or
earmuffs are recommended while operating the
AIR-SPADE
®
. Eye protection should comply
with ANSI Z87.1 -1989. Ear protection should
provide a NRR of at least 20 dB. In extremely
dusty conditions, always wear approved
respiratory protection. Wear approved
electrically insulated footwear and gloves if
working near underground electrical lines.
Page 11
STARTING
• Start the compressor according to the
manufacturer's instructions which may vary from
unit to unit.
• Check that the compressor is operating correctly
and that the dead head pressure is sufficient for
proper tool operation.
• Make sure that the AIR-SPADE
®
trigger is not
depressed, i.e. that the valve is closed, and that
the nozzle is pointed away from all personnel or
any loose object that could be moved accidentally
by the air stream. Open the compressor's air
supply valve.
• Securely holding and pointing the AIR-SPADE
®
away from all personnel and any loose objects,
depress the AIR-SPADE
®
‘s trigger, opening its
valve, and read the compressor discharge
compressor pressure gauge. The pressure at the
compressor should be between 100 and 120 psig
to allow for pressure loss. If it is not, the output
pressure of the compressor and / or the size of
the hose may need to be changed.
NORMAL EXCAVATION
• For normal excavation, the best performance is
achieved by holding the nozzle roughly
perpendicular to the ground about 1 inch away
from the surface.
•
Depending on the soil type, the AIR-SPADE
®
is
best moved along the surface to be excavated at
a rate on the order of one to two feet per second.
•
A portable barrier or fence is useful as a
backdrop to keep dislodged soil confined to the
working area. (See accessories)
(6 pages)
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