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(4) Replacing the batteries
(a) Loosen the hook screw with a phillips-head
screwdriver (No. 1) (Fig. 12).
Remove the hook cover by pushing in the
direction of the arrow (Fig. 13).
(b) Remove the old batteries and insert the new
batteries. Align with the hook indications and
position the plus (+) and minus (–) terminals
correctly (Fig. 14).
(c) Align the indentation in the hook main body
with the protuberance of the hook cover, press
the hook cover in the direction opposite to that
of the arrow shown in Fig. 13 and then tighten
the screw.
Use commercially available AAAA batteries
(1.5 V).
NOTE
Do not tighten the screw excessively. Such action
could strip the screw threads.
CAUTION
Failure to observe the following can result in battery
leakage, rust or malfunction.
Position the plus (+) and minus (–) terminals
correctly.
Replace both batteries at the same time. Do not mix
old and new batteries.
Remove exhausted batteries from the hook
immediately.
Do not discard batteries together with normal trash
and do not throw batteries into fire.
Store batteries out of the reach of children.
Use batteries correctly in accordance with the battery
specifications and indications.
2. Check the rotational direction
The bit rotates clockwise (viewed from the rear
side) by pushing the R-side of the push button.
The L-side of the push button is pushed to turn the
bit counterclockwise (See Fig. 15) (The
R
and
marks are engraved on the body).
CAUTION
The push button can not be switched while the
impact driver is turning. To switch the push button,
stop the impact driver, then set the push button.
3. Switch operation
When the trigger switch is depressed, the tool
rotates. When the trigger is released, the tool stops.
The rotational speed can be controlled by varying
the amount that the trigger switch is pulled. Speed
is low when the trigger switch is pulled slightly and
increases as the trigger switch is pulled more.
4. Tightening and loosening bolts
A hex socket matching the bolt or nut must first
be selected. Then mount the socket on the anvil,
and grip the nut to be tightened with the hex socket.
Holding the wrench in line with the bolt, press the
power switch to impact the nut for several seconds.
If the nut is only loosely fitted to the bolt, the bolt
may turn wit the nut, therefore mistaking proper
tightening. In this case, stop impact on the nut and
hold the bolt head with a wrench before restarting
impact, or manually tighten the bolt and nut to
prevent them slipping.
5. Number of bolt tightened possible
Please refer to the table below for the number of
bolt tightened possible with one charge.
All manuals and user guides at all-guides.com
EB1430H
NOTE
OPERATIONAL CAUTIONS
1. Resting the unit after continuous work
NOTE
2. Cautions on use of the speed control switch
3. Tightening torque
L
4. Work at a tightening torque suitable for the bolt
5. Holding the tool
Bolt used
M16 × 55 (F10T)
These values may vary slightly, according to
surrounding temperature and battery characteristics.
The use of the battery EB1430H in a cold condition
(below 0°C) can sometimes result in the weakened
tightening torque and reduced amount of work.
This, however, is a temporary phenomenon, and
returns to normal when the battery warms up.
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.
Do not touch the hammer case, as it gets very hot
during continuous work.
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.
Refer to Fig. 20 for the tightening torque of bolts
(according to size), under the conditions shown in
Fig. 21. Please use this example as a general
reference, as tightening torque will vary according
to tightening conditions.
Tightening torque varies, depending on the battery's
charge level. Fig. 22 shows an example of the
relationship between tightening torque and the
number of tightenings, for WR14DM. As shown,
tightening torque gradually weakens with the
increase in the number of tightenings. In particular,
as the torque decreases very close to the complete
discharge ("a" margin in graph), the unit's impact
weakens, the number of time impacts declines and
tightening torque drops off abruptly. If this occurs,
check torque level, then recharge the battery if
necessary.
under impact
The optimum tightening torque for nuts or bolts
differs 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 operaton
time. Use the correct operating time for the bolt.
Hold the impact wrench firmly with both hands. In
this case hold the wrench in line with the bolt.
It is not necessary to push the wrench very hard.
Hold the wrench with a force just sufficient to
counteract the impact force.
English
No. of tightenings
Approx. 126
12
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