Operation; Maintenance - Makita HM1304B Instruction Manual

To secure the handle at a fixed position, first loosen the
nut and swing the handle to the desired position for use.
Then tighten the nut firmly. If the set bolt turns together
with the nut when you secure the nut, see that the
projecting portion of the side handle fits into the notch on
the head of the set bolt.
Installing or removing the bit
This tool accepts bits either with or without a collar on its
shank.
002928
To install the bit, follow either procedure (1) or (2)
described below.
(1) For bits with a collar
1
2
3
4
1. Bit
2. Tool retainer
3. Tool holder
4. When the bit is inserted
5. When the bit is retained
003894
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.
1. Bit with collar
1
2. Bit without collar
2
(2) For bits without a collar
1
2
3
1. Notched portion
2. Tool retainer shaft
3. Barrel
4. When the bit is inserted
5. When the bit is retained
003895
Pivot the tool retainer back and slightly downward.
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.
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OPERATION

Chipping/Scaling/Demolition
Hold the tool firmly with both hands. 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 inspection
or maintenance.
Never use gasoline, benzine, thinner, alcohol or the
•
like. Discoloration, deformation or cracks may
result.
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