KERN HFD Series - Enclosure; Checklist Enhanced Maintenance“ (General Revision)

HFD-BA-e-1820 38
Upper shackle Lower shackle Anchor eyelets
a b c
Wear and tear
(see grey fields)
Split pin & Nut
a b c
Wear and tear
(see grey fields)
Split pin & Nut Clearance
f
Date Tester
Max. admitted variation
5 % 0 % 5 %
No deformation
or cracks
Tight fit
5 % 0 % 5 %
No deformation or
cracks
Tight fit
1%
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
42 months /175 000 x
45 months /187 500 x
48 months/200 000x
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.