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Side handle (auxiliary handle) (Fig. 4)
The side handle can be swung 360° on the vertical
and secured at any desired position. It also secures at
eight different positions back and forth on the horizon-
tal. Just loosen the clamp nut to swing the side handle
to a desired position. Then tighten the clamp nut
securely.
Switch action (Fig. 5)
CAUTION:
Before plugging in the machine, always check to see
that the machine is switched off.
To start the machine, push the ''ON I'' button on the
left side of the machine. To stop the machine, push
the ''OFF O'' button on the right side of the machine.
Speed change (Fig. 6)
The blows per minute can be adjusted between 1,300
and 2,650 BPM just by turning the adjusting dial. This
can be done even while the machine is running. The
dial is marked 1 (lowest speed) to 5 (full speed). Refer
to the table below for the relationship between the
number settings on the adjusting dial and the blows
per minute.
Number on adjusting dial
5
4
3
2
1
Chipping / Scaling / Demolition (Fig. 7)
Hold the machine firmly with both hands. Turn the
machine on and apply slight pressure on the machine
so that the machine will not bounce around, uncon-
trolled. Pressing very hard on the machine will not
increase the efficiency.
6
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MAINTENANCE
CAUTION:
Always be sure that the machine is switched off and
unplugged before carrying out any work on the
machine.
Replacement of carbon brushes (Fig. 8 & 9)
Whenever carbon brushes must be replaced, they cut
out the machine automatically. When this occurs,
loosen the screws which secure the rear cover. Pry up
the rear cover with a screwdriver and remove it. Then
replace both carbon brushes at the same time. Use
only identical carbon brushes.
Lubrication (Fig. 10 & 11)
This machine requires no hourly or daily lubrication
because it has a grease-packed lubrication system.
Lubricate the machine every time the carbon brushes
are replaced.
Run the machine for several minutes to warm it up.
Switch off and unplug the machine. Remove the crank
cap using a socket wrench. Rest the machine on the
table with the bit end pointing upwards. This will allow
the old grease to collect inside the crank housing.
Blows per minute
Wipe out the old grease inside and replace with a
fresh grease (30 g). Use only Makita genuine grease
2,650
(optional accessory). Filling with more than the speci-
2,350
fied amount of grease (approx. 30 g) can cause faulty
hammering action or machine failure. Fill only with the
1,950
specified amount of grease. Reinstall the crank cap
1,550
and tighten with the socket wrench. Do not tighten the
crank cap excessively. It is made of resin and is
1,300
subject to breakage.
To maintain product safety and reliability, repairs,
maintenance or adjustment should be carried out by
Makita Authorized Service Center.
GUARANTEE
We guarantee Makita machines in accordance with
statutory/country-specific regulations. Damage attrib-
utable to normal wear and tear, overload or improper
handling will be excluded from the guarantee. In case
of complaint, please send the machine, undismantled,
with the enclosed GUARANTEE CERTIFICATE, to
your dealer or the Makita Service Center.
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