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4. When chipping and shredding at “hammering”:

CAUTION:

￿If the selector lever is switched during motor rotation, the tool can start to rotate abruptly, resulting in unexpected accidents. Make sure to switch the selector lever when the motor is at a complete stop.

(1)Switching to “hammering”

(a)Push the button, release lock and turn the selector lever counterclockwise.

(b)Align of the selector lever and of the lever holder as illustrated in Fig. 8.

(c)Release the button to lock the selector lever.

NOTE: Turn the selector lever (do not push the button) to check if it is completely locked and make sure that it does not turn.

5. Install the stopper (Fig. 9)

(1)Loosen the side handle and insert the straight portion of the stopper into the handle bolt hole from the front cover.

(2)Loosen the side handle, move the stopper to the specified position and rotate the grip of the side handle clockwise to fix the stopper.

Selector Lever Lever Holder

Button

Fig. 8

Stopper

Side Handle

Fig. 9

6. Warming up (Fig. 10)

The grease lubrication system in this unit may require warming up in cold regions.

Position the end of the bit so makes contact with the concrete, turn on the switch and perform the warming up operation. Make sure that a hitting sound is produced and then use the unit.

CAUTION:

When the warming up operation is performed, hold the side handle and the main body securely with both hands to maintain a secure grip and be careful not to twist your body by the jammed drill bit.

Fig. 10

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