5
•
If the switch trigger can not be depressed, check to
see that the reversing switch is fully set to
position
(A side) or
(B side).
Selecting the action mode
1
009240
This tool has an action mode change lever. For rotation
with hammering, slide the action mode change lever to
the right (
symbol). For rotation only, slide the action
mode change lever to the left ( symbol).
CAUTION:
•
Always slide the action mode change lever all the
way to your desired mode position. If you operate
the tool with the lever positioned halfway between
the mode symbols, the tool may be damaged.
ASSEMBLY
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Installing side grip (auxiliary handle)
1
009241
Always use the side grip to ensure operating safety.
Install the side grip on tool barrel.
Then tighten the grip by turning clockwise securely at
the desired position. It may be swung 360° so as to be
secured at any position.
NOTE:
•
The side grip cannot swing 360° when the depth
gauge is installed.
Installing or removing drill bit
For Model HP1640
1
009242
To install the bit, place it in the chuck as far as it will go.
Tighten the chuck by hand. Place the chuck key in each
of the three holes and tighten clockwise. Be sure to
tighten all three chuck holes evenly.
To remove the bit, turn the chuck key counterclockwise
in just one hole, then loosen the chuck by hand.
After using the chuck key, be sure to return to the
original position.
For Model HP1641
1
2
009246
Hold the ring and turn the sleeve counterclockwise to open the
chuck jaws. Place the bit in the chuck as far as it will go. Hold
the ring firmly and turn the sleeve clockwise to tighten the chuck.
To remove the bit, hold the ring and turn the sleeve
counterclockwise.
Depth gauge
1
2
3
009243
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 tool body.
1. Depth gauge
2. Side grip
3. Grip base
1. Sleeve
2. Ring
1. Chuck key
1. Side grip
1. Action mode
changing lever
