Makita HR4041C Manual De Instrucciones página 7

Rotate the change lever to the
bit on the concrete and turn the tool on. Once the core
bit has cut a shallow groove into the concrete, rotate the
change lever to the position and resume drilling.
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NOTE:
No problem is caused even if the core bit unscrews
•
slightly during brief use since the core bit rotates in
the tightening direction.
To remove the core bit, follow the same removal
procedures covered in "When using the center bit".
MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before attempting to perform inspection
or maintenance.
Lubrication
This tool requires no hourly or daily lubrication because
it has a grease-packed lubrication system. It should be
relubricated after every 6 months of operation. Send the
complete tool to Makita Authorized or Factory Service
Center for this lubrication service.
1
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007888
position. Rest the core
1. Hex bolt
2
3 2. Hex wrench
3. Crank cap cover
1. Crank cap
1
Run the tool for several minutes to warm it up. Switch off
and unplug the tool.
Loosen three hex bolts which secure the crank cap
cover and remove the crank cap. Rest the tool on the
table with the bit end pointing upwards. This will allow
the old grease to collect inside the crank housing.
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Wipe out the old grease inside and replace with a fresh
grease (60 g; 2 oz). Use only Makita genuine hammer
grease (optional accessory). Filling with more than the
specified amount of grease (approx. 60 g; 2 oz) can
cause faulty hammering action or tool failure. Fill only
with the specified amount of grease.
Reinstall the crank cap and crank cap cover and tighten
the three screws with the hex wrench.
To maintain product SAFETY and RELIABILITY, repairs,
carbon brush inspection and replacement, any other
maintenance or adjustment should be performed by
Makita Authorized or Factory Service Centers, always
using Makita replacement parts.
ACCESSORIES
CAUTION:
These accessories
•
recommended for use with your Makita tool
specified in this manual. The use of any other
accessories or attachments might present a risk of
injury to persons.
attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
Bull point
•
Cold chisel
•
Scaling chisel
•
Grooving chisel
•
Core bit
•
Center bit
•
Rod
•
Core bit adapter
•
Hammer grease
•
Depth gauge
•
Safety goggles
•
Plastic carrying case
•
7
1. Hammer grease
1
or attachments
Only use accessory or
are