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Straight head and ratchet head (optional
accessory)
Straight heads and ratchet heads are available as optional
accessories for various applications on the job.
OPERATION
The proper fastening torque may differ depending upon the
kind or size of the screw/bolt, the material of the workpiece to
be fastened, etc. Before starting your job, always perform a
test operation to determine the proper fastening time for your
screw.
NOTE:
• Use the proper bit for the head of the screw/bolt that you
wish to use.
• Hold the tool pointed straight at the screw.
• If the tool is operated continuously until the battery
cartridge has discharged, allow the tool to rest for 15
minutes before proceeding with a fresh battery.
The fastening torque is affected by a wide variety of factors
including the following. After fastening, always check the
torque with a torque wrench.
1. When the battery cartridge is discharged almost com-
pletely, voltage will drop and the fastening torque will be
reduced.
2. Driver bit or socket bit
Failure to use the correct size driver bit or socket bit will
cause a reduction in the fastening torque.
1. Straight head
1. Ratchet head
1
002828
1
002829