Maintenance - Makita HR3540C Bedienungsanleitung

Drilling in wood or metal
Fig.17
Use the optional keyless drill chuck assembly. When
installing it, refer to "Installing or removing the bit"
described on the previous page.
Set the change lever so that the pointer points to
the symbol.
Hold the ring and turn the sleeve counterclockwise to
open the chuck jaws. Place the bit in the chuck as far as
it will go. Hold the ring firmly and turn the sleeve
clockwise to tighten the chuck. To remove the bit, hold
the ring and turn the sleeve counterclockwise.
CAUTION:
Never use "rotation with hammering" when the
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quick change drill chuck is installed on the tool.
The quick change drill chuck may be damaged.
Pressing excessively on the tool will not speed up
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the drilling. In fact, this excessive pressure will only
serve to damage the tip of your bit, decrease the
tool performance and shorten the service life of the
tool.
There is a tremendous twisting force exerted on
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the tool/bit at the time of hole breakthrough. Hold
the tool firmly and exert care when the bit begins to
break through the workpiece.
Always secure small workpieces in a vise or similar
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hold-down device.
Diamond core drilling
When performing diamond core drilling operations,
always set the change lever to the
"rotation only" action.
CAUTION:
If performing diamond core drilling operations
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using "rotation with hammering" action, the
diamond core bit may be damaged.

MAINTENANCE

CAUTION:
Always be sure that the tool is switched off and
•
unplugged before attempting to perform inspection
or maintenance.
Never use gasoline, benzine, thinner, alcohol or
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the like. Discoloration, deformation or cracks may
result.
Lubrication
CAUTION:
This servicing should be performed by Makita
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Authorized or Factory Service Centers only.
This tool requires no hourly or daily lubrication because
it has a grease-packed lubrication system. However, it is
recommended to periodically replace the grease for
longer tool life.
Run the tool for several minutes to warm it up. Switch off
and unplug the tool.
Loosen the four screws and remove the handle. Note
that the top screws are different from other screws.
Fig.18
Disconnect the connector by pulling them.
Fig.19
Loosen the two screws
remove the crank cap cover.
Fig.20
Align the change lever with the symbol
five screws and then remove the crank cap.
Fig.21
Fig.22
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Fig.23
Rest the tool on the table with the bit end pointing
upwards. This will allow the old grease to collect inside
the crank housing.
Wipe out the old grease inside and replace with a fresh
grease (30 g). Use only Makita genuine hammer grease
(optional accessory). Filling with more than the specified
position to use amount of grease (approx. 30 g) can cause faulty
hammering action or tool failure. Fill only with the
specified amount of grease.
•
To reassemble the tool, follow the disassembling
procedure in reverse.
•
Fig.24
Connect the connector firmly and then reinstall the
handle.
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To maintain product SAFETY and RELIABILITY, repairs,
carbon brush inspection and replacement, any other
maintenance or adjustment should be performed by
Makita Authorized Service Centers, always using Makita
replacement parts.
8
CAUTION:
Always remove the crank cap only after aligning
the change lever with the symbol
it forcibly without aligning the change lever with the
symbol . Failure to do so does not allow
reassembling.
CAUTION:
Be careful not to damage the connector or lead
wires especially when wiping out the old grease.
CAUTION:
Do not tighten the crank cap excessively. It is made
of resin and is subject to breakage.
CAUTION:
Be careful not to damage the connector or lead
wires especially when installing the handle.
on crank cap cover and
, loosen the
. Never remove