KERN & SOHN CH 50K100 - Manual (Page 29)

9. Enclosure
9.1 Checklist „Enhanced maintenance“ (General revision)
The enhanced maintenance has to be carried out by a service partner authorized by KERN.
Suspending balance Model ………………………………….. Serial no. ……………………………………………..
Interval
Magnetic powder
test for cracks
Hooks
Chain links
( marked areas)
Hand grip Date Name Signature
12 months/50 000 x
24 months/100 000 x
36 months/150 000 x
48 months/200 000 x
60 months/250 000 x
72 months/300 000 x
84 months/350 000 x
96 months/400 000 x
108 months/450 000 x
120 months/500 000x  Replace suspended balance completely
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