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Care of the product
•
Carefully remove stubborn dirt.
•
Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
•
Use a dry, clean cloth to clean the contacts of the product.
Care of the Liion batteries
•
Never use a battery with clogged air vents. Clean the air vents carefully using a dry, soft brush.
•
Avoid unnecessary exposure of the battery to dust and dirt. Never expose the battery to high levels of
moisture (e.g. by being dipped in water or left in the rain).
If a battery has been soaked by moisture, treat it as a damaged battery. Isolate it in a non-flammable
container and consult Hilti Service.
•
Keep the battery free of extraneous oil and grease. Do not permit dust or dirt to accumulate unnecessarily
on the battery. Clean the battery with a dry, soft brush or a clean, dry cloth. Do not use cleaning agents
containing silicone as these can attack the plastic parts.
Do not touch the contacts of the battery and do not remove the factory-applied grease from the contacts.
•
Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
•
Over a period of non-use, charge batteries regularly every 3 to 6 months to prevent deep discharge.
Cleaning the laser exit window
▶ Blow dust off the laser exit window.
▶ Do not touch the laser exit window with your fingers.
Coarse cleaning materials can scratch the glass, impairing the accuracy of the device. Do not use
liquids other than water as they can attack the plastic parts.
Maintenance
•
Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
•
Do not use the product if signs of damage are found or if parts malfunction. Immediately have the product
repaired by Hilti Service.
•
After cleaning and maintenance, install all guards and protective devices and check that they are in full
working order.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with your product can be found at your
Hilti Store or online at: www.hilti.group
7.1
Calibration
7.1.1
Checking calibration
1. Set the laser beam to an inclination of 00.000 % (0‰).
2. Set up one surveyor's staff at a distance of 1 m from the laser.
3. Set up a second surveyor's staff at a distance of 60 m from the first surveyor's staff.
4. Set up an optical level in the halfway between the two leveling staffs and read the heights from both
staffs.
5. Note down the values (x1 and x2) at which the laser beam hits the staffs.
6. Note down the values (x3 and x4) that you read from the staffs with the optical level.
7. Calculate the difference between the readings from optical level and laser for the two leveling staffs
(A=x3x1 and B=x4x2).
▶ If both values are identical, the laser is correctly calibrated.
▶ If the values differ, the laser has to be calibrated. → page 29
7.1.2
Calibrating laser
1. If applicable, switch the laser off.
2. While holding down the SET button, press the on/off button.
▶ 0 SET appears on the display.
3. Press the SET button.
▶ INIT and LEVELING alternate on the display.
4. Use the Up button and the Down button to adjust the laser beam until values A and B are identical.
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