The rotation is released, turn the grip and adjust the cold chisel to desired position. (Fig. 15)

Change lever

Push button

Fig. 14

Grip

Fig. 15

(3)Turn the change lever to mark. (Fig. 13)

Then bull point or cold chisel is locked.

CAUTION:

When conducting continuously the chiselling work, the heat build-up inside the rotary hammer may cause trouble. When conducting continuously the chiselling work for 15 minutes, rest the rotary hammer for 30 minutes.

English

8.How to use the drill bit (taper shank) and the taper shank adaptor.

(1)Mount the taper shank adaptor to the rotary hammer. (Fig. 17)

(2)Mount the drill bit (taper shank) to the taper shank adaptor. (Fig. 17)

(3)Turn the switch ON, and drill a hole in prescribed depth.

Grip

Drill bit

Taper shank

Front cap

auaptor

 

Fig. 17

(4)To remove the drill bit (taper shank), insert the cotter into the slot of the taper shank adaptor and strike the head of the cotter with a hammer supporting on the rests. (Fig. 18)

Cotter

Taper shank adaptor

 

7. Using depth gauge (Fig. 16)

(1)Loosen the knob on the side handle, and insert the depth gauge into the mounting hole on the side handle.

(2)Adjust the depth gauge position according to the depth of the hole and tighten the knob bolt securely.

Mounting hole Depth gauge

Knob on side handle

Fig. 16

Rests

Fig. 18

HOW TO USE THE CORE BIT (FOR LIGHT LOAD)

When boring penetrating large hole use the core bit (for light load). At that time use with the center pin and the core bit shank provided as optional accessories.

1. Mounting

CAUTION:

Be sure to turn power OFF and disconnect the plug from the receptacle.

(1) Mount the core bit to the core bit shank.

(Fig. 19)

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