Functional Description - Makita HR2800 Betriebsanleitung

loosen up the lubrication. Without proper warm-
up, hammering operation is difficult.
8. Always be sure you have a firm footing. Be sure
no one is below when using the tool in high
locations.
9. Hold the tool firmly with both hands.
10. Keep hands away from moving parts.
11. Do not leave the tool running. Operate the tool
only when hand-held.
12. Do not point the tool at any one in the area when
operating. The bit could fly out and injure
someone seriously.
13. Do not touch the bit or parts close to the bit
immediately after operation; they may be
extremely hot and could burn your skin.
14. Some material contains chemicals which may be
toxic. Take caution to prevent dust inhalation and
skin contact. Follow material supplier safety data.
SAVE THESE INSTRUCTIONS.
WARNING:
MISUSE or failure to follow the safety rules stated in
this instruction manual may cause serious personal
injury.

FUNCTIONAL DESCRIPTION

CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
Switch action (Fig. 1)
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
To start the tool, simply pull the switch trigger. Tool speed
is increased by increasing pressure on the switch trigger.
Release the switch trigger to stop.
Lighting up the lamps
For Models HR2811F, HR2811FT (Fig. 2)
CAUTION:
• Do not look in the light or see the source of light
directly.
To turn on the lamp, pull the trigger. Release the trigger to
turn it off.
NOTE:
• Use a dry cloth to wipe the dirt off the lens of lamp. Be
careful not to scratch the lens of lamp, or it may lower
the illumination.
Reversing switch action (Fig. 3)
This tool has a reversing switch to change the direction of
rotation. Depress the reversing switch lever from the A
side for clockwise rotation or from the B side for
counterclockwise rotation.
CAUTION:
• Always check the direction of rotation before operation.
6
• Use the reversing switch only after the tool comes to a
complete stop. Changing the direction of rotation
before the tool stops may damage the tool.
• When you operate the tool in counterclockwise
rotation, the switch trigger is pulled only halfway and
the tool runs at half speed.
Changing the quick change chuck for
SDS-plus
For model HR2810T, HR2811FT
The quick change chuck for SDS-plus can be easily
exchanged for the quick change drill chuck.
Removing the quick change chuck for SDS-plus
(Fig. 4)
CAUTION:
• Before removing the quick change chuck for SDS-plus,
always remove the bit.
Grasp the change cover of the quick change chuck for
SDS-plus and turn in the direction of the arrow until the
change cover line moves from the
symbol. Pull forcefully in the direction of the arrow.
Attaching the quick change drill chuck
(Fig. 5)
Check the line of the quick change drill chuck shows the
symbol. Grasp the change cover of the quick change
drill chuck and set the line to the
quick change drill chuck on the spindle of the tool.
Grasp the change cover of the quick change drill chuck
and turn the change cover line to the
click can clearly be heard.
Selecting the action mode
For Model HR2800 (Fig. 6)
This tool employs an action mode changing knob. Select
one of the two modes suitable for your work needs by
using this knob.
For rotation only, turn the knob so that the arrow on the
knob points toward the
For rotation with hammering, turn the knob so that the
arrow on the knob points toward the
body.
CAUTION:
• Always set the knob fully to your desired mode symbol.
If you operate the tool with the knob positioned halfway
between the mode symbols, the tool may be damaged.
• Use the knob after the tool comes to a complete stop.
For models HR2810, HR2810T, HR2811F, HR2811FT
Rotation with hammering (Fig. 7)
For drilling in concrete, masonry, etc., rotate the action
mode changing knob to the
carbide tipped bit.
Rotation only (Fig. 8)
For drilling in wood, metal or plastic materials, lock button
and rotate the action mode changing knob to the
symbol. Use a twist drill bit or wood bit.
Hammering only (Fig. 9)
For chipping, scaling or demolition operations, rotate the
action mode changing knob to the
point, cold chisel, scaling chisel, etc.
symbol to the
symbol. Place the
symbol until a
symbol on the tool body.
symbol on the tool
symbol. Use a tungsten-
symbol. Use a bull