Replacing The Batteries - Metabo MLL 3-20 Manual De Instrucciones

Angle check
Checking the 90° angle
1. Mark point A on the floor at a distance of 10 m in a suffi ciently large
corner of the room.
2. Align the MLL 3-20 with point A using the plumb-line dot.
3. Align the MLL 3-20 with one wall using a laser line.
4. Precisely mark point B on the floor at the halfway point.
5. Precisely mark point C on the wall or floor.
6. Shift the MLL 3-20 and align with point B using the plumb-line dot.
7. Align the MLL 3-20 with point C again using the laser line.
8. Precisely mark point D on the other wall or on the floor using the 90°
laser line.
Note:
The distance from A to B, B to C and B to D should be the same to guarantee
accuracy.
9. Turn the MLL 3-20 by 90° and align laser line 1 with point D.
10. Mark position E on the perpendicular 2nd laser line as close as possible
to point A.
11. Measure the distance between points A - E.
Room length
or clearance
between points
A and C
10 m
20 m

Replacing the batteries

Slide the battery cover (16) in the direction of the arrow and insert
new batteries in accordance with the symbols in the battery compartment
Fig. (A2). Suitable rechargeable batteries can also be used.
Fig. (C4)
Maximum permissible
clearance
between points
A and E
3.0 mm
6.0 mm
en
13