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Hitachi W 4YF Handling Instructions Manual page 25

Automatic screwdriver

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Collated screw strips
Top adjuster
HOOK INSTALLATION
(1) Insert the hook in the A section of the main body
and turn clockwise. When the nut reaches the
housing seating surface, tighten securely with a
wrench. (Fig. 10)
(2) The hook can be hung on your belt or on a pipe
with a diameter of up to 36 mm.
Hook
HOW TO USE THE AUTOMATIC
SCREWDRIVER
1. Switch operation
When you pull the switch trigger, then press the
switch stopper, the switch stays on even if you
remove your finger. This is convenient for continuous
operation. To switch off the switch, pull the switch
trigger again and let it go to release the switch
stopper.
2. Operations
When you pull the switch and press the driver
straight against the work piece in continuous
operation mode, the screw is fed and screwed in
automatically. (Fig. 11)
Fig. 9
Housing
Nut
A section
Fig. 10
NOTE:
To screw in screws, hold the driver straight against
the work piece. If the driver is slanted relative to
the screw, the screw head can be damaged and the
bit worn. Moreover, the prescribed torque is not
transmitted to the screw, resulting in screws left
sticking out.
When screwing in, press the main body firmly until
the screw is completely screwed in. Relaxing your
pressure on the driver while screwing in can leave
the screw sticking out.
Do not you screw in a screw on top of another
screw.
If you do, the screw falls over and the next screw
can not be fed.
Precautions for empty strikes: When you are
screwing in colleted screw strips, you might continue
to use the driver without noticing that you have run
out of screws. If you try to screw in when you are
out of screws, the bit can damage the gypsum
board, so while working, keep an eye on how many
screws you have left.
BIT INSTALLATION AND REMOVAL
CAUTION:
To prevent accidents, always switch off the switch and
unplug the power cord from the electrical socket before
installation or removing bits.
1. Removal
English
Fig. 11
Bit holder
Stopper
Slider
Fig. 12
24

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