Hooks hand grip, Ef g, Optical test – KERN & SOHN HDB 10K10N User Manual
Page 27
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HDB-N -BA-d-1320
27
Hooks
Hand grip
Safety
fastening
e
f
g
h
i
Wear (see
cross-hatched
areas)
Optical test
Datum
Tester
Max. admitted variation
Perfect
working
order
1%
5 %
5 %
5 %
5 %
10 °
No deformation or
cracks
Revision prior to first
use
24 months/100,000 x
27 months/112,500 x
30 months/125,000 x
33 months/137,500 x
36 months/150,000 x
39 months/162,500 x
21 months/87,500 x
42 months/175,000 x
45 months/187,500 x
48 months/200 000
51 months/212,500 x
54 months/225,000 x
57 months/237,500 x
60 months/250 000x
All load carrying parts have to be exchanged by a service partner authorised by KERN.
bold letters = this maintenance work has to be carried out by a service partner authorized by KERN.