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FAILURE
POSSIBLE CAUSES
CHECK METHOD
COUNTER MEASURES
The driven nail is
bent
Nails are inaccurately fed
into the blade guide
Incorrect nails are loaded
Refer to previous item
Refer to previous item
Worn driver blade
Check if the driver blade is
extremely worn or not
Replace the driver blade
The wood is too hard
Check if the nails bend on
softer wood or not
Stop using the tool
The driven nails
do not fully
penetrate the
work piece
(heads protrude)
The wood is too hard
Stop using the tool
Air pressure is too low
Adjust the air pressure
Worn or broken driver
blade
Carry out idle driving and
check if the driver blade
protrudes from the blade
guide nose
Check if the tip of the driver
blade is excessively worn or
not
If the driver blade does not
protrude from the blade
guide – replace
Incorrect driving depth
adjustment
Adjust the guide plate to
the appropriate position
Defective piston ring (worn
or broken)
Defective inner surface of
cylinder (worn or rough)
Disassemble the output unit
and check the inside and
outside surfaces of the piston
ring and cylinder
Replace the defective parts
Nails clog within
the ejecting gate
Nails are inaccurately fed
into the blade guide
Incorrect nails are loaded
Refer to first item
Refer to first item
Use designated nails
Worn tip of the driver blade
Carry out idle driving and
check if blade tip is worn or
not
Replace
Worn guide groove of the
blade guide
Check the wear of the blade
guide
Replace
Work piece material is too
hard
Stop using the tool
