Clean the bit shank and apply bit grease before installing the bit.
Insert the bit into the tool. Turn the bit and push it in until it engages.
After installing, always make sure that the bit is securely held in place by trying to pull it out.
1
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1. Bit
2. Chuck cover
2
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Depth gauge
1. Depth gauge
To remove the bit, pull the chuck cover down all the way and pull the bit out.
1 | 1. | Bit |
2. | Chuck cover | |
| 2 |
|
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Bit angle (when chipping, scaling or demolishing)
1
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The depth gauge is convenient for drilling holes of uniform depth. Loosen the side grip and insert the depth gauge into the hole in the side grip. Adjust the depth gauge to the desired depth and tighten the side grip.
NOTE:
•The depth gauge cannot be used at the position where the depth gauge strikes against the gear housing.
1
2
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1.Action mode changing knob
2.Lock button
Dust cup
1. Dust cup
1
The bit can be secured at the desired angle. To change the bit angle, depress the lock button and rotate the action mode changing knob to the O symbol. Turn the bit to the desired angle.
Depress the lock button and rotate the action mode
changing knob to the 
symbol. Then make sure that the bit is securely held in place by turning it slightly.
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Use the dust cup to prevent dust from falling over the tool and on yourself when performing overhead drilling operations. Attach the dust cup to the bit as shown in the figure. The size of bits which the dust cup can be attached to is as follows.
| Bit diameter (mm) |
Dust cup 5 | 6 - 14.5 |
Dust cup 9 | 12 - 16 |
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6
