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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.

￿If the bull point or cold chisel is used at the position of “rotation + hammering”, the tool can start to rotate, resulting in unexpected accidents. Make sure that they are used at the positon of “hammering”.

(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. 7.

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

Selector lever

Lever holder

 

Button

Fig. 7

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.

(2)When fixing working positions of tools such as cold chisel, etc.,

(a)Push the button, release lock and turn the

selector lever.

Align ▲ of the selector lever and of the lever holder as illustrated in Fig. 8.

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

Button Lever holder

Selector lever

Fig. 8

(c)Turn the grip as illustrated in Fig. 9 and fix the tool to the desired working direction.

Grip

Fig. 9

(d)Switch the selector lever to “hammering” according to the procedures mentioned in the above item (1) and secure the position of the tool.

5.Install the stopper (Fig. 10)

(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.

Stopper

Side handle

Fig. 10

6.Warming up (Fig. 11)

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.

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