Hilti 411279 Use and Care Manual download pdf (Page 10)

l) If mounting on an adapter, check that the tool is

screwed on securely.

m)Keep the laser exit aperture clean to avoid meas-

urement errors.

n) Although the tool is designed for the tough con-

ditions of jobsite use, as with other optical and

electronic instruments (e.g. binoculars, spec-

tacles, cameras) it should be treated with care.

o) Although the tool is protected to prevent entry

of dampness, it should be wiped dry each time

before being put away in its transport container.

p) Check the accuracy of the measurements several

times during use of the tool.

5.2 Proper organization of the work area

a) Secure the area in which you are working and

take care to avoid directing the beam towards

other persons or towards yourself when setting

up the tool.

b) Avoid unfavorable body positions when working

on ladders or scaffolding. Make sure you work

from a safe stance and stay in balance at all

times.

c) Measurements taken through panes of glass or

other objects may be inaccurate.

d) Ensure that the tool is set up on a steady, level

surface (not subject to vibration).

e) Use the tool only within its specified limits.

f) If several laser tools are used in the same work-

ing area, care must be taken to avoid confusing

the beams.

g) Magnetic fields may affect the accuracy of the tool.

It must thus be kept away from magnetic objects.

The tool is not affected by the Hilti universal

adapter.

h) Do not use the tool in the proximity of medical

instruments.

5.3 Electromagnetic compatibility

Although the tool complies with the strict require-

ments of the applicable directives, Hilti cannot en-

tirely rule out the possibility of the tool being subject

to interference caused by powerful electromagnetic

radiation, leading to incorrect operation. Check the

accuracy of the tool by taking measurements by other

means when working under such conditions or if you

are unsure. Likewise, Hilti cannot rule out the pos-

sibility of interference with other devices (e.g. aircraft

navigation equipment).

5.4 Laser classification for laser class 2 / class

II appliances

Depending on the version purchased, the tool com-

plies with Laser Class 2 in accordance with IEC825-

3:2007 / EN60825-3:2007 and Class II in accordance

with CFR 21 § 1040 (FDA). This tool may be used

without need for further protective measures. The

eyelid closure reflex protects the eyes when a per-

son looks into the beam unintentionally for a brief

moment. This eyelid closure reflex, however, may be

negatively affected by medicines, alcohol or drugs.

Nevertheless, as with the sun, one should not look

directly into sources of bright light. Do not direct the

laser beam toward persons.

5.5 Electrical

a) Insulate or remove the batteries before shipping

the tool.

b) To avoid pollution of the environment, the tool

must be disposed of in accordance with the cur-

rently applicable national regulations. Consult

the manufacturer if you are unsure of how to

proceed.

c) Keep the batteries out of reach of children.

d) Do not allow the batteries to overheat and do not

expose them to fire. The batteries may explode or

release toxic substances.

e) Do not charge the batteries.

f) Do not solder the batteries into the tool.

g) Do not discharge the batteries by short circuiting

as this may cause them to overheat and present

a risk of personal injury (burns).

h) Do not attempt to open the batteries and do not

subject them to excessive mechanical stress.

i) Do not use damaged batteries.

j) Do not mix old and new batteries. Do not mix

batteries of different makes or types.

5.6 Liquids

Under abusive conditions, liquid may leak from the

battery. Avoid contact. If contact accidentally oc-

curs, flush with water. In the event of the liquid

coming into contact with the eyes, rinse the eyes

with plenty of water and consult a doctor. Liquid

ejected from the battery may cause irritation or burns.

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Hilti 411279 Use and Care Manual Page 10

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