Norsk Standard MFM

NS-EN 474-1 :2006+A3:2013

EN 474-1 :2006+A3:2013 (E)

- 1,5 times the RLL in side-load (see Figure E.2 b)) without visible deformation after completion of the test.

b) direction of the side load

a) direction of the vertical load

Figure E.2- Load direction

The strength requirements can be verified by testing or calculation.

E.4 Test by manufacturer

E.4.1 Mechanical performance

The mechanical performance of the lifting device(s) shall be tested according to the requirements as specified in E.3.2.1 or E.3.2.2.

E.4.2 Field test under operating conditions

The following field test is required if the attachment supplier provides the lifting device(s):

The following criteria with regard to the location and function of the lifting device(s) shall be checked in practical test:

it shall not cause a hazard or restrict the performances of the attachment in its normal working process;

~no restriction of the function ®1 of the lifting device(s) caused by exterior influences (e.g. extreme soil contamination, which cannot be cleaned by simple means); ~no loosening of the sling ®1 from the lifting device(s) due to the most unfavourable bucket/attachment position.

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