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2. Power switch
Ensure that the power switch is in the OFF position. If the plug is connected to a power
receptacle while the power switch is in the ON position, this Demolition hammer will
start operating immediately, inviting serious accident.
3. Extension cord
When the work area is remote from the power source, use an extension cord of sufficient
thickness and rated capacity. The extension cord should be kept as short as practicable.
4. Mounting an accessory, such as a bull point, a cutter, etc..
(1) With the retainer directed backward, insert the accessory shank portion into the
hole on the front cover. (Fig. 2)
(2) Swing the retainer back into place so that it engages the accessory shank portion
and prevents accessories from coming out of front cover. (Fig. 3)
NOTE:
Use a manual hammer to open/close the retainer as it is too heavy to move by hand.
NOTE:
When removing the accessory, such as a bull point, a cutter etc., follow the above procedure
in reverse order.
OPERATION
1. Pull the trigger switch after applying the tip of the bit to the crushing position.
In some cases, it is necessary to punch the tip of the bit against the crushing position
forcibly in order to begin the striking stroke.
This is not due to malfunction of the power tool. It means that the safe guard mechanism
against no-load striking is working.
2. Operate this Demolition Hammer by utilizing its own weight. The performance will not
be better even if it is pressed or thrust forcibly against the work surface.
Hold this Demolition Hammer with a force just sufficient to counteract the reaction.
CAUTION:
Sometimes the power tool does not begin the striking stroke even when the motor rotates
because oil has become thick.
If the power tool is used at low temperatures or if it is used after a long idle time, this
Demolition Hammer should be kept running for about five minutes in order to warm it up.
HOW TO REPLACE GREASE
This Demolition Hammer is full air-tight construction to protect against dust and to prevent
lubricant leakage. Therefore, this Demolition Hammer can be used without lubrication for
long periods. Replace the grease as described below.
Fig. 3Fig. 2