General Safety Instructions; Organizational Measures; Environmental Conditions; Proper Use - KERN HFD Service Manual

3 General Safety Instructions

Duties of the owner-operator
Follow national accident prevention regulations and all operator health and safety at work and
operating regulations.

Observe all safety regulations of the crane manufacturer.

The balance may only be used for the proposed purpose.Any type of use which is not
specified in these operating instructions, will be considered as improper use.The customer is
solely responsible for material damage and injury of persons resulting from an improper use,
Messrs. KERN & Sohn will not be liable under any circumstance.
Messrs . KERN & Sohn cannot be held liable, if the crane scales are modified or used
improperly and if damage is resulting from such use.

Inspect and service crane balance, crane and load suspension devices regularly (see chap.
10.3 in the HFD user manual).

Log the test result and keep it in the logbook.

3.1 Organizational measures


Only trained and instructed staff may operate the balance.

Make sure that the operating instructions are kept nearby the operation site of the crane
scales.

Assembly, commissioning and maintenance should only be carried out by trained specialists.

Repair of safety-relevant pieces may only be carried out by KERN or by service partners
authorized by Messrs. KERN.(Competence certificate or training).

Use original spare parts only.

All repairs and spare parts must be documented by the service partner (see list, chap. 11.2 in
the HFD user manual).

All maintenance must be documented (see checklist chap. 11.1 in the HFD user manual).

Load suspending components may only be exchanged as a complete spare parts set. The
dimensions of the new components must be noted (see checklist chapter 11.1 in the HFD
user manual).

3.2 Environmental conditions


Never operate the crane scales in explosive environment. The serial version is not explosion
protected.

Operate the crane scales only under environmental conditions as specified in these operating
instructions (especially in chapter 1 „Technical data"in the HFD user manual).

Do not expose the crane scales to strong humidity. Non-permitted condensation
(condensation of air humidity on the appliance) may occur if a cold appliance is taken to a
considerably warmer environment. In this case, acclimatize the disconnected appliance for
ca. 2 hours at room temperature.

Do not operate the crane scales in corrosive environment.

Protect the crane scales against high humidity, vapours and dust.

Major display deviations (incorrect weighing results) may be experienced should
electromagnetic fields (e.g. due to mobile phones or radio equipment), static electricity
accumulations or instable power supply occur. Change location or remove source of
interference.

3.3 Proper use

The balance you purchased is intended to determine the weighing value of material to be weighed.
It is intended to be used as a "non-automatic" balance, i.e. the material to be weighed is suspended
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