Speed Change - Makita HP2050 Instruction Manual

This tool has a reversing switch to change the direction of
rotation. Move the reversing switch lever to the
tion (A side) for clockwise rotation or the
side) for counterclockwise rotation.
CAUTION:
• Always check the direction of rotation before opera-
tion.
• Use the reversing switch only after the tool comes
to a complete stop. Changing the direction of rota-
tion before the tool stops may damage the tool.

Speed change

1
2
Two speed ranges can be preselected with the speed
change knob.
To change the speed, turn the speed change knob so
that the arrow on the tool body points toward the "I" posi-
tion on the knob for low speed or "II" position for high
speed.
If it is hard to turn the knob, first turn the chuck slightly in
either direction and then turn the knob again.
CAUTION:
• Use the speed change knob only after the tool
comes to a complete stop. Changing the tool speed
before the tool stops may damage the tool.
• Always set the speed change knob to the correct
position. If you operate the tool with the speed
change knob positioned halfway between the "I"
and "II" position, the tool may be damaged.
Selecting the action mode
1
This tool has an action mode change lever. For rotation
with hammering, slide the action mode change lever to
the right ( symbol). For rotation only, slide the action
mode change lever to the left (
posi-
position (B
002691
1. Arrow
2. Speed change
knob
002692
1. Action mode
changing lever
symbol).
CAUTION:
• Always slide the action mode change lever all the
way to your desired mode position. If you operate
the tool with the lever positioned halfway between
the mode symbols, the tool may be damaged.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Installing side grip (auxiliary handle)
1
3
2
4
Always use the side grip to ensure operating safety.
Install the side grip so that the teeth on the grip fit in
between the protrusions on the tool barrel.
Then tighten the grip by turning clockwise at the desired
position. It may be swung 360° so as to be secured at
any position.
Installing or removing drill bit
For Model HP2050, HP2050F
To install the bit, place it in the chuck as far as it will go.
Tighten the chuck by hand. Place the chuck key in each
of the three holes and tighten clockwise. Be sure to
tighten all three chuck holes evenly.
To remove the bit, turn the chuck key counterclockwise in
just one hole, then loosen the chuck by hand.
After using the chuck key, be sure to return to the original
position.
5
002693
1. Grip base
2. Side grip (auxil-
iary handle)
3. Teeth
4. Protrusions
002694
1. Chuck key
1