9. Enclosure9.1 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 powdertest for cracks Hooks Chain links(marked areas) Hand grip Date Name Signature12 months/50 000 x24 months/100 000 x36 months/150 000 x48 months/200 000 x60 months/250 000 x72 months/300 000 x84 months/350 000 x96 months/400 000 x108 months/450 000 x120 months/500 000x Replace suspended balance completelyCH-BA-e-1432 29