Maintenance - Makita HR2631F Instruction Manual

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► 1. Spindle 2. Quick change drill chuck 3. Change
cover line 4. Change cover
Use the quick change drill chuck as standard equip-
ment. When installing it, refer to "changing the quick
change chuck for SDS-plus " described on the previous
page.
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► 1. Quick change drill chuck 2. Sleeve 3. Ring
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 clock-
wise to tighten the chuck.
To remove the bit, hold the ring and turn the sleeve
counterclockwise.
Diamond core drilling
CAUTION:
• If performing diamond core drilling operations
using "rotation with hammering" action, the
diamond core bit may be damaged.
When performing diamond core drilling operations,
always set the change lever to the
"rotation only" action.
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position to use
Operation when using the dust cup
(optional accessory)
► 1. Dust cup
Operate the tool with the dust cup against the ceiling
surface.
NOTE:
• The dust cup (optional accessory) is intended
only for drilling in the ceramic workpiece such
as concrete and mortar. Do not use the tool with
the dust cup when drilling in metal or similar.
Using the dust cup for drilling in the metal may
damage the dust cup due to the heat produced
by small metal dust or similar.
• Empty the dust cup before removing a drill bit.
• When using the dust cup, make sure that the
dust cap is mounted on it securely.

MAINTENANCE

CAUTION:
• Always be sure that the tool is switched off and
unplugged before attempting to perform inspec-
tion or maintenance.
• Never use gasoline, benzine, thinner, alcohol
or the like. Discoloration, deformation or cracks
may result.
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.
12 ENGLISH
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