Makita HM1812 User Manual

6
The red service indicator lamp flickers up when the
carbon brushes are nearly worn out to indicate that the
tool needs servicing. After some period of use, 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.
Installing soft grip
1
2
015522
Soft grip is NOT installed before factory shipment.
Install soft grip securely.
1
015619
Set the triangle alignment marks on the hammer body
and on the soft grip when installing the soft grip.
Installing or removing the bit
(optional accessory)
CAUTION:
• Always assure that the bit is securely retained by
attempting to pull the bit out of the tool holder after
installing the bit.
• Follow the below 2 installation methods in
accordance with the 2 different types of bits. If
inappropriate installation method is selected, the
bit cannot be secured.
1
2
015523
This tool accepts bits either with or without a collar on
its shank.
To install the bit, follow either procedure (1) or (2)
described below.
(1) For bits with a collar
1
2
3
015524
Pivot the tool retainer downward (approx. 60 degrees).
Insert the bit into the tool holder until it stops. Return the
tool retainer and secure the bit.
(2) For bits without a collar
1
2
3
015525
Pivot the tool retainer upward (approx. 60 degrees).
Face the notched portion of the bit upward. Insert the bit
into the tool holder until it stops. Pivot the tool retainer
further until it stops at the tool holder.
To remove the bit, follow the installation procedure in
reverse.
OPERATION
Chipping/Scaling/Demolition
CAUTION:
• Keep well-balanced posture when holding the
heavy tool before / during / after operation to avoid
personal injuries.
• Secure debris in case of breaking it into smaller
pieces.
1. Notched portion
of the bit
2. Tool retainer
3. Tool holder
1. Bit
2. Tool retainer
3. Tool holder
1. Bit with collar
2. Bit without
collar
1. Triangle
alignment mark
1. Soft grip
2. Bolt

Makita HM1812 Specifications

General

Input power	2000 W
Impact energy (max)	72.8 J
Vibration level (chiseling)	6.5 m/s²
Soft grip	Yes
Product color	Black, Blue
Toolholder	- mm
Impact rate	870 bpm

Weight and Dimensions

Depth	210 mm
Width	843 mm
Height	608 mm