KERN and SOHN HFD Mode D'emploi page 86

Upper shackle
a b
Max. admitted variation 5 % 0 %
Revision prior to first
use
months
24 /100 000 x
months
27 /112 500 x
months
30 /125 000 x
months
33 /137 500 x
36 months /150 000 x
months
39 /162 500 x
months
42 /175 000 x
months
45 /187 500 x
48 months/200 000x
months
51 /212 500 x
months
54 /225 000 x
months
57 /237 500 x
months  All load carrying parts have to be exchanged by a service partner authorised by KERN.
60 /250 000x
bold letters = this maintenance work has to be carried out by a service partner authorized by KERN.
HFD-BA-e-1921
Split pin & Nut
Wear and tear
c
(see grey fields)
No deformation Tight fit
5 %
or cracks
Lower shackle
Wear and tear
a b c
(see grey fields)
No deformation or
5 % 0 % 5 %
cracks
Anchor eyelets
Split pin & Nut Clearance
f
Tight fit
1%
Date Tester
40