Operation; Maintenance - Makita HM1317C Instruction Manual

Indicator lamp
► Fig.3: 1. Power-ON indicator lamp (green)
2. Service indicator lamp (red)
The green power-ON indicator lamp lights up when the
tool is plugged. If the indicator lamp does not light up,
the mains cord or the controller may be malfunction.
The indicator lamp is lit but the tool does not start even
if the tool is switched on, the carbon brushes may be
worn out, or the controller, the motor or the ON/OFF
switch may be malfunction.
The red service indicator lamp flickers 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)
► Fig.4: 1. Set bolt 2. Nut 3. Side handle
The side handle can be swung 360° on the vertical and
secured at any desired position. Just loosen the clamp
nut to swing the side handle to a desired position. Then
tighten the clamp nut securely.
Installing or removing the bit
For Model HM1307C,HM1317C only
► Fig.5: 1. Bit 2. Tool retainer 3. Tool holder
With the notched portion on the shank of the bit facing
toward the tool retainer, insert the bit into the tool holder
as far as it will go. Then pull out and turn the tool retainer
180° to secure the bit. After installing, always make sure
that the bit is securely held in place by trying to pull it out.
For Model HM1307CB,HM1317CB only
► Fig.6: 1. Bit with collar 2. Bit without collar
This tool accepts bits either with or without a collar on
its shank.
(1) For bits with a collar
► Fig.7: 1. Bit 2. Tool retainer 3. Tool holder 4. When
the bit is inserted 5. When the bit is retained
To install the bit, follow either procedure (1) or (2)
described below.
Pivot the tool retainer back and slightly downward.
Insert the bit into the tool holder as far as it will go.
To securely retain the bit, return the tool retainer to
its original position.
CAUTION:
• Always assure that the bit is securely retained
by attempting to pull the bit out of the tool holder
after completing the above procedure.
(2) For bits without a collar
► Fig.8: 1. Bit 2. Tool retainer 3. Tool holder 4. When
the bit is inserted 5. When the bit is retained
Pivot the tool retainer forward and slightly down-
ward. With the notched portion of the bit facing the
tool retainer shaft, insert the bit into the tool holder
as far as it will go. Then pivot the tool retainer
further downward toward the barrel to securely
retain the bit.
CAUTION:
• Always assure that the bit is securely retained
by attempting to pull the bit out of the tool holder
after completing the above procedure.
• The bit without a collar cannot be retained by
the method shown in Fig.(1).
To remove the bit, follow the installation procedure in
reverse.

OPERATION

Chipping/Scaling/Demolition
► Fig.9
Always use the side grip (auxiliary handle) and firmly
hold the tool by both side grip and switch handle during
operations. Turn the tool on and apply slight pressure
on the tool so that the tool will not bounce around,
uncontrolled. Pressing very hard on the tool will not
increase the efficiency.

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.
Lubrication
CAUTION:
• This servicing should be performed by Makita
Authorized Service Centers only.
This tool requires no hourly or daily lubrication because
it has a grease-packed lubrication system. It should be
relubricated regularly. Send the complete tool to Makita
Authorized or Factory Service Center for this lubrication
service.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be per-
formed by Makita Authorized Service Centers, always
using Makita replacement parts.
6 ENGLISH