Bosch GPL 5 C Professional Original Instructions Manual page 17

OBJ_BUCH-847-002.book Page 17 Friday, May 16, 2014 7:10 AM
Working with the Tripod (Accessory)
A tripod offers a stable, height-adjustable measuring support.
Position the measuring tool with the 1/4" tripod mount 7 onto
the thread of the tripod 17 or a commercially available cam-
era tripod. For fastening to a commercially available construc-
tion tripod, use the 5/8" tripod mount 6. Tighten the measur-
ing tool with the tripod mounting stud.
Adjust the tripod roughly before switching on the measuring
tool.
Fastening with the Universal Holder (Accessory)
With the universal holder 13, you can fasten the measuring
tool, e.g., to vertical surfaces, pipes or magnetizable materi-
als. The universal holder is also suitable for use as a ground tri-
pod and makes the height adjustment of the measuring tool
easier.
Adjust the universal holder roughly before 13 switching on
the measuring tool.
Working with the Measuring Plate (Accessory)
(see figures A–B)
With the measuring plate 16, it is possible to project the laser
mark onto the floor or the laser height onto a wall.
With the zero field and the scale, the offset or drop to the re-
quired height can be measured and projected at another loca-
tion. This eliminates the necessity of precisely adjusting the
measuring tool to the height to be projected.
The measuring plate 16 has a reflective coating that enhances
the visibility of the laser beam at greater distances or in in-
tense sunlight. The brightness intensification can be seen on-
ly when viewing, parallel to the laser beam, onto the measur-
ing plate.
Laser Viewing Glasses (Accessory)
The laser viewing glasses filter out the ambient light. This
makes the red light of the laser appear brighter for the eyes.
 Do not use the laser viewing glasses as safety goggles.
The laser viewing glasses are used for improved visualisa-
tion of the laser beam, but they do not protect against laser
radiation.
 Do not use the laser viewing glasses as sun glasses or in
traffic. The laser viewing glasses do not afford complete
UV protection and reduce colour perception.
Work Examples
General Information
Always position the measuring tool close to the surface or
edge subject to checking, and allow it to level in prior to each
measurement.
Always measure the distances between laser beam or laser
line and a surface or edge at two points as far as possible away
from each other (e.g. with the measurment plate 16).
Checking Plumb and Horizontal Lines (see figures C–D)
For checking plumb lines (e.g. surfaces), select one of the op-
erating modes with plumb crosses. At two points, measure
the distance between the cross point of the laser lines and the
surface to be checked. When both distances are equal, the
surface is vertical.
Bosch Power Tools
For checking horizontal lines, check the distance between a
horizontal point beam and the surface to be checked in the
same manner.
Projecting Heights (see figures E–F)
If possible, mount the measuring tool to the tripod 17 or the
holder 13. Adjust the tripod or the universal holder roughly
before switching on the measuring tool. Align a point beam to
the requested height. Turn the measuring tool to the target lo-
cation without changing its height and project or check the
height at the target location.
Indicating and Checking Right Angles (see figures G–H)
For checking right angles in the horizontal plane (e.g. be-
tween two surfaces), select one of the operating modes with
three laser points. Align the measuring tool in such a manner
that the distance between the surface A and the first point
beam is equal at two points. Now, check the distance between
surface B and the second point beam at two points. When the
distance is also equal, the surfaces are at a right angle.
For checking right angles in a vertical plane, select one of the
operating modes with plumb crosses and check, if surface A
is vertical and surface B is horizontal.
Projecting Plumb Points to the Ceiling (see figures I – J)
Select one of the operating modes with plumb crosses. Direct
the cross point of the bottom laser line onto the plumb point
subject to projecting. Mark the cross point of the upper laser
line onto the ceiling. In the same manner, points from the ceil-
ing can be projected onto the floor.
When mounting metal profiles for framing work, attach the
measuring tool via both magnets 5 against a mounted profile.
Measure the distance from the cross point of the laser lines to
the edge of the profile. Project the distance to the opposite
metal profile on the ceiling or the floor respectively.
Marking Right Angles (see figure K)
Select the "plumb crosses and laser points" operating mode.
Align the measuring tool with the cross point of the laser lines
against the reference point, from where the right angle shall
begin. Mark both legs of the angle alongside the laser lines.
Maintenance and Service
Maintenance and Cleaning
Store and transport the measuring tool only in the supplied
protective pouch.
Keep the measuring tool clean at all times.
Do not immerse the measuring tool in water or other fluids.
Wipe off debris using a moist and soft cloth. Do not use any
cleaning agents or solvents.
Regularly clean the surfaces at the exit opening of the laser in
particular, and pay attention to any fluff or fibres.
If the measuring tool should fail despite the care taken in man-
ufacturing and testing procedures, repair should be carried
out by an authorised after-sales service centre for
Bosch power tools. Do not open the measuring tool yourself.
English | 17
1 609 92A 0KY | (16.5.14)