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Changing Gears
1st gear
510 min
-1
2nd gear
1150 min
-1
3rd gear
2500 min
-1
Warning!
• Only change gears whilst the tool is not in operation!
!
• Never apply force
• Never use tools, such as hammers or pliers to change the
gear.
Manual Drilling
wet drilling
(concrete, stone)
dry drilling
(bricks, pore concrete)
Rig drilling
wet drilling
(concrete, stone)
Manual Drilling
Dry drilling
Mount the appropriate adapter for dedusting (refer to illustration at p. 22).
Fix the required dry drill bit on the working spindle.
Check for appropriate gear selection. Operate the ON/OFF switch and drill
until the segments are approximately 5 mm in the material. Remove the
centering point. Refix the drill bit to the existing groove and complete your
drilling.
Wet drilling
Open the ball valve and switch the tool on.
The ETN 162/3 is equipped with a 3-gear oil-bath
gearing. Select the speed according to the
drilling diameter.
Use the gear selector to change to next higher or
lower gear.
If gear changing is too heavy, slightly turn the
working spindle to ease gear changing.
Diameter mm
42 – 72
12 – 42
122 – 202
62 – 112
12 – 62
72 – 162
42 – 72
12 – 42
Insert the centering point so that the recesses in the
centering point latch on the catches of the working
spindle.
23
Gear
2
3
1
2
3
1
2
3
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