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InstructionsIntroduction
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Working with tripod (recommended): Align the laser beam to the 
requested height.
Project or check the height at the target location.
Vehicle wheel alignment (Use with Gunson 77137 or 77141).
Horizontally align the measuring tool with spirit level (4). 
Example 1: Checking initial alignment of the front wheel to the rear axle 
after centralising the steering rack/box and prior to checking the tracking.
Example 2: Checking initial alignment of the rear wheels/axle to the front 
wheels prior to setting the front tracking.
Checking Horizontal / Vertical Lines with the Spirit Levels
The measuring tool can also be used as a carpenter’s spirit level for 
checking vertical and horizontal lines, for example to align a washing 
machine or a refrigerator. Position the measuring tool with the aluminium 
supporting surface (2) on the surface to be checked. When placing on 
horizontal surfaces, the aluminium supporting surface (2) must face 
downward, when placing against vertical surfaces, the laser outlet 
opening for line operation (5) must face upward.
Working Advice
For marking out, always use the centre of the laser point or the laser line. 
The size of the laser point as well as the width of the laser line will change 
with distance.
Fastening/aligning with the wall holder: With the wall holder (13), the 
measuring tool can be fastened as follows: Line operation: Place the 
wall holder via its recess on the backside onto a screw head slightly 
projecting out of a wall. Fasten the measuring tool with the magnets (9) to 
the metal surface for line operation (12) of the wall holder. Turn the upper 
part of the wall holder to align the measuring tool as required. 
Point operation: Place the wall holder via a tripod mount onto the 1/4" 
male thread of the tripod and screw the locking screw of the tripod 
tight. Align the tripod roughly. When working without tripod, place the 
wall holder on a surface that is as horizontal as possible. Position the 
measuring tool with the aluminium supporting surface (2) facing down 
on the wall holder. Attach it via the left magnet (9) (viewed from the front 
side of the measuring tool) to the metal surface for point operation (13) 
of the wall holder. Horizontally align the upper part of the wall holder 
with adjusting screw (14) of the wall holder and spirit level (4) of the 
measuring tool. Turn the upper part of the wall holder by 90° and repeat 
the alignment.
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 of fibres.
After-sales Service and Application Service: Our after-sales service 
responds to your questions concerning maintenance and repair of your 
product as well as spare parts.
Disposal: Measuring tools, accessories and packaging should be sorted 
for environmentally-friendly recycling. Do not dispose of measuring tools 
and batteries/rechargeable batteries into household waste.
Only for EC countries:
According to the European Guideline 2012/19/EU, measuring tools 
that are no longer usable, and according to the European Guideline 
2006/66/EC, defective or used battery packs/batteries, must be collected 
separately and disposed of in an environmentally correct manner.