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8. Using the light
Pull the trigger switch to light up the light. The light
keeps on lighting while the trigger switch is being
pulled. The light goes out after releasing the trigger
switch. (Fig. 7)
Light
CAUTION
Do not look directly into the light. Such actions
could result in eye injury.
9. Using the hook (sold separately)
The hook is used to hang up the power tool to your
waist belt while working.
CAUTION
● When using the hook, hang up the power tool
fi rmly not to drop accidentally.
If the power tool is dropped, it may lead to an
accident.
● When carrying the power tool with hooked to
your waist belt, do not fi t any bit to the tip of
power tool. If the sharp bit such as drill is fi tted
to the power tool when carrying it with hooked to
your waist belt, you will be injured.
● Install securely the hook. Unless the hook is
securely installed, it may cause an injury while
using.
(1) Placing the hook and tightening the screws.
Install securely the hook in the groove of power tool
and tighten the screws to fi x the hook fi rmly. (Fig. 8)
Hook
14
Trigger switch
Fig. 7
Groove
Screw
Fig. 8
(2) Removing the hook.
Remove the screws fi xing the hook with Philips screw
driver. (Fig. 9)
OPERATIONAL CAUTIONS
1. Resting the unit after continuous work
After use for continuous bolt-tightening work, rest the
unit for 15 minutes or so when replacing the battery.
The temperature of the motor, switch, etc. will rise if
the work is started again immediately after battery
replacement, eventually resulting in burnout.
CAUTION
Do not touch the metal parts, as it gets very hot
during continuous work.
2. Cautions on use of the speed control switch
This switch has a built-in, electronic circuit which
steplessly varies the rotation speed. Consequently,
when the switch trigger is pulled only slightly (low
speed rotation) and the motor is stopped while
continuously driving in screws, the components of
the electronic circuit parts may overheat and be
damaged.
3. Use a tightening time suitable for the screw
The appropriate torque for a screw diff ers according
to the material and size of the screw, and the material
being screwed etc., so please use a tightening time
suitable for the screw. In particular, if a long tightening
time is used in the case of screws smaller than 5/16"
(8 mm), there is a danger of the screw breaking, so
please confi rm the tightening time and the tightening
torque beforehand.
4. Work at a tightening torque suitable for the bolt under
impact
The optimum tightening torque for nuts or bolts diff ers
with material and size of the nuts or bolts.
An excessively large tightening torque for a small bolt
may stretch or break the bolt. The tightening torque
increases in proportionate to the operation time. Use
the correct operating time for the bolt.
Hook
Screw
Fig. 9
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