Functional Description; Speed Change - Makita HM1202 Instruction Manual

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. Do not operate the tool at no-load unnecessarily.
15. 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:
DO NOT let comfort or familiarity with product (gained
from repeated use) replace strict adherence to safety
rules for the subject product.
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 tool is switched off.
To start the tool, push the switch lever on the left side of
the tool. To stop the tool, push the switch lever on the right
side of the tool.

Speed change

For HM1202C only (Fig. 2)
The blows per minute can be adjusted just by turning the
adjusting dial. This can be done even while the tool is
running. The dial is marked 1 (lowest speed) to 6 (full
speed).
Refer to the table below for the relationship between the
number settings on the adjusting dial and the blows per
minute.
Number on adjusting dial
6
5
4
3
2
1
002898
6
Blows per minute
1,900
1,800
1,600
1,300
1,050
950
CAUTION:
• The speed adjusting dial can be turned only as far as 6
and back to 1. Do not force it past 6 or 1, or the speed
adjusting function may no longer work.
Indicator lamp
For HM1202C only (Fig. 3)
The green power-ON indicator lamp lights up when the
tool is switched ON. If the indicator lamp is lit but the tool
does not start, the carbon brushes may be worn out, or
the electric circuit or the motor may be defective. If the
indicator lamp does not light up and the tool does not
start, the ON/OFF switch or the mains cord may be
defective.
The red service indicator lamp lights up when the carbon
brushes are nearly worn out to indicate that the tool needs
servicing. After approx. 8 hours of use, the motor will
automatically be shut off.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Side handle (auxiliary handle)
The side handle can be swung 360° on the vertical and
secured at any desired position. It also secures at eight
different positions back and forth on the horizontal. Just
loosen the clamp nut to swing the side handle to a desired
position. Then tighten the clamp nut securely. (Fig. 4)
The side handle also can be mounted in the rear groove.
Loosen the clamp nut and widen the side handle base.
Slide the side handle back to the rear groove and secure it
with the clamp nut. (Fig. 5)
Installing or removing the bit
Clean the bit shank and apply bit grease before installing
the bit. (Fig. 6)
Insert the bit into the tool. Turn the bit and push it in until it
engages. (Fig. 7)
If the bit cannot be pushed in, remove the bit. Pull the tool
holder cover down a couple of times. Then insert the bit
again. Turn the bit and push it in until it engages.
After installing, always make sure that the bit is securely
held in place by trying to pull it out.
To remove the bit, pull the tool holder cover down all the
way and pull the bit out. (Fig. 8)
Bit angle (Fig. 9)
The bit can be secured at 12 different angles. To change
the bit angle, slide the change ring forward, then turn the
change ring to change the bit angle. At the desired angle,
slide the change ring back to the original position. The bit
will be secured in place.
NOTE:
• The change ring cannot turn when the bit is not
installed on the tool.