KERN & SOHN CH 50K100 - Manual (Page 25)

Regular maintenance:
Prior to each usage
 Check for fault-free operation of the attachment devices
Initial start-up,
every 3 months or
definitely after
12 500 weighing
processes
 Check all dimensions, see checklist chap. 8.3
 Check the attachment device (handle grip) for wear and tear,
such as e.g. plastic deformation, mechanical damage
(unevenness), notches, striation, cracks, corrosion, thread
damage and torsions.
 Remove balance from use immediately if a reading exceeds
the permitted deviation from the original reading (see
checklist, chap. 8.3) or any other fault is identified.
 All repairs and replacement parts (e.g. hook) must be
documented by the service partner (see list, chap. 9.1).
Every 12 months or
in any case after 50
000 weighings
 If the enhanced maintenance has to be carried out by
trained staff (KERN customer service). At this general
revision all load carrying parts must be checked for gaps
with magnetic powder

Plastic parts such as handle must be visually inspected
Every 10 years or
anyway after 500 000
weighings
 Replace the crane balance entirely
Note
During the revision watch out for wear and tear according to the following drawings
(chap. 8.3).
Rejection criteria: Load suspension devices may no longer be used when e.g.
+
Deviations are identified during the inspections specified for servicing.
+
The type or load rating plate is missing.
+
Load suspension devices known to have been overloaded or subject to
other harmful influences may no longer be used and/or may be re-used only
after inspection.
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