Regular Maintenance - KERN HFM Service Manual

6.3 Regular maintenance

Initial
Commissioning,
every 3 months or
anyway after
12 500 weighings
Every 12 months or
in any case after
50 000 weighings
Every 5 years or
anyway after
250 000 weighings
Every 10 years or
anyway after
500 000 weighings
Note
During the revision watch out for wear and tear according to the following drawings .
HFM-SH-e-1110
Check all dimensions,
Check the shackle or the eyelet for wear and tear, such as
e.g. plastic deformation, mechanical damage (unevenness),
notches, striation, cracks, corrosion, thread damage and
torsions.
Check the application of the safety bracket on the hook,
moreover check for fault and correct function
For balances of big construction size: Check that the split pin
and the nut on the shackle are not loose
If a dimension exceeds the admitted deviation from the original
dimension or if other discrepancies have been found, the
balance must be repaired at once by trained specialized staff
(KERN customer service). Never do repair it by yourself!
Take balance out of operation immediately!
All repairs and spare parts must be documented by the service
partner .
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
All load carrying parts have to be exchanged by trained
specialized staff (KERN customer service).
Replace the crane scales entirely
DANGER Risk of injury due to falling loads!
After service work the crane scale must not be taken into
➜
operation unless a 3-months periodical safety inspection has been
passed successfully, see User manual.
Always operate with great care according to the general rules
➜
for operating a crane, see User manual.
Never stay under hanging loads.
➜
Do not exceed the rated load capacity of the crane, crane scale
➜
or any load bearing item attached to the crane scale.
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