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7. An operator taking medication should take extra precau-
tions while handling the tool. NEVER drink alcoholic bever-
ages or take medications which impair your vision, balance,
or judgement before using a powder actuated tool.
KNOW YOUR FASTENING BASE MATERIAL
1. ALWAYS know the thickness and type of base material into
which you are fastening. NEVER GUESS. Test the base ma-
terial by using the Center Punch Test. The Center Punch Test
is performed by using a hammer to test drive the particular
power fastener to be used into the material. If the point pen-
etrates easily, the material is too soft. If the point becomes
blunt, the material is too hard. If the material fractures, cracks
or shatters, the material is too brittle. Test fastenings can be
made if the material shows a clear power fastener impres-
sion and the power fastener point is not blunted. Always start
with the lowest power load (Gray-Level 1) and proceeding
with the order shown in the lower right-hand figure above.
ALWAYS wear approved eye protection.
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CENTER
PUNCH TEST
TOO SOFT
Sinks in
with
average
hammer
blow
Start
1
GRAY
3
GREEN
4
YELLOW
2
BROWN
Safety Precautions
TOO HARD
Point
flattens
TOO BRITTLE
Surface
shatters