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Hikoki GP18DA Manual

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English
○ When the pilot lamp fl ickers in red (at 0.2-seconds
intervals), check for and take out any foreign objects in
the charger’s battery connector. If there are no foreign
objects, it is probable that the battery or charger is
malfunctioning. Take it to your authorized Service
Center.
○ Since the built-in micro computer takes about 3 seconds
to confi rm that the battery being charged with chargers
are taken out, wait for a minimum of 3 seconds before
reinserting it to continue charging. If the battery is
reinserted within 3 seconds, the battery may not be
properly charged.
MOUNTING AND OPERATION
Action Figure Page
Removing and inserting the battery 2 2
Charging 3 2
Removal of a collet chuck 4 2
Installing a wheel*153
The attachment position of a wheel 6 3
Using the side handle*273
Switch operation 8 3
Dial of variable speed operation*394
Selecting accessories ―232, 233
*1 Installing a wheel (Fig. 5)
Install the wheel so that length ℓ is less than 15 mm. If ℓ
is longer, abnormal vibration will occur, and the machine
is not only negatively aff ected, but there is a possibility of
a serious accident.
Make the ℓ as small as possible.
When d = 6 mm, 1/4", 8 mm, D of the wheel should be
less than the Max. wheel diameter (50 mm). If a wheel
with D more than the Max. wheel diameter (50 mm) is
used, the circumference speed exceeds the safety limit
and the wheel will break. Never use such a wheel.
Distance L varies for D. Determine L referring to the
Table 3.
When d = 3 mm, 1/8", D should be less than 10 mm.
Determine L referring to the Table 3.
Wheels can be simply attached and detached by using
the two wrenches. (Fig. 6)
NOTE
○ Do not tighten the collet chuck by inserting a shaft thinner
than the regular shaft diameter (6 mm) in the chuck or in
an empty condition. This practice will damage the collet
chuck.
○ When using a shaft (3 mm), switch to a collet chuck for
3 mm shaft (sold separately). (Fig. 4)
○ When installing a wheel with shaft, tighten the collet
chuck after applying a small quantity of spindle oil (or
sewing machine oil) to the tapered portion. (Fig. 5)
Table 3 (when ℓ = 15 mm)
dDL
3 mm,
3.175 mm (1/8")
5 mm 10 mm
6 mm 13 mm
8 mm 16 mm
10 mm 13 mm
6 mm,
6.35 mm (1/4")
13 mm 40 mm
16 mm 40 mm
20 mm 25 mm
25 mm 25 mm
32 mm 13 mm
38 mm 7 mm
8 mm
25 mm 32 mm
32 mm 25 mm
38 mm 19 mm
*2 Using the side handle
Install the side handle after removing the front cover.
Detach the front cover by removing the protrusion on
the interior from the hollow in the main unit and pull to
remove. If the protrusion is diffi cult to detach, use a fl at-
head screwdriver or similar tool.
*3 Dial of variable speed operation
The unit has “Transmission mode” and “Auto mode”.
○ With Transmission mode, the grinder’s number of
revolutions can be set at one of fi ve stages.
When operating in Transmission mode, the set number
of revolutions will be maintained regardless of changes
in load.
○ With Auto mode, you can lower noise and vibration by
lowering the maximum number of revolutions while in a
no-load state.
While in Auto mode, the number of revolutions will be
raised if the load becomes greater during operation.
On the other hand, the number of revolutions will be
lowered if the load decreases during operation. (Table 4)
○ Set the mode and dial according to work application.
Table 4
Mode Status Number of Revolutions (min-1) Use
Transmission
Dial Settings
1 7000 Polishing/fi nishing
2 13800 Paint removal
3 16600 Rust removal
4 24400 Burr removal
5 29000 Grinding
Auto A 15000 Work on standby
29000 Grinding
00BookGP18DA.indb1200BookGP18DA.indb12 2021/03/1715:12:132021/03/1715:12:13
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