8.5 Hyd rau lic
8.5.1 Hyd rau lic hose li nes
1 Am mann Ar ti cle No.
2 Ma nu fac tu rer/Month and year of ma nu fac tu re
3 Max. ope ra ting pres su re
The func tion of hy drau lic hose lines must be tested at reg u lar in -
ter vals (min i mum once a year) by an ex pert (with a knowl edge of
hy drau lics).
Hose lines must im me di ately be re placed in the fol low ing in -
stances:
•
Dam age to the outer layer to the in ner lin ing (abra sion marks,
cracks, cuts, etc.).
•
Brit tle ness of the outer layer (crack ing of hose cov er ing).
•
Un nat u ral de for ma tions of the hose line. This ap plies to both a
pressureless and pres sur ised con di tion (e.g. layer sep a ra tion,
blis ter for ma tion, crushed ar eas, kinks).
•
Leaks.
•
Dam age or de for ma tion of hose fit tings (im paired seal ing
func tion).
•
Hose slips out of the fit ting.
•
Cor ro sion of fit ting (de grad ing of func tion and strength).
•
Im pro per in stal la ti on.
•
Use bey ond the ex pi ry date of max. 6 year.
45020000-2 HbmG gnu thci dreV nna mmA 9102/90
En vi ron men tal ha zard through ope ra ting ma ter -
ials!
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Col lect dis charg ing oil and dis pose of in an en vi ron -
men tally friendly man ner.
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Do no al low it to en ter the ground wa ter, wa ter bo -
dies, or se wa ge sys tem.
8. Main ten an ce (Ma chi ne)
83
Risk of in ju ry due to hyd rau lic fluid lea king un der
high pres su re.
High pres su re hyd rau lic fluid can en ter the body
through the skin and se ri ous ly in ju re peo ple.
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Be fo re wor king on the hyd rau lic make the sys tem
pres su re less.
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If it is su spec ted that a hyd rau lic sys tem is da ma -
ged, con tact a qua li fied spe cia list work shop im me -
di ate ly.
Bur ning ha zard.
Work ing on the hy drau lic sys tem may cause a burn ing
haz ard from hot oil.
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Wear sa fe ty equip ment (glo ves).
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Car ry out the chan ge of hyd rau lic oil whi le it is still
warm in ac cor dan ce to the lu bri ca ti on plan and the
lu bri ca ti on tab le.
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Do not start the mo tor whi le the hyd rau lic oil is drai -
ning un der any cir cums tan ce.
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Chan ge the hyd rau lic oil also af ter each ma jor re -
pair on the hyd rau lic unit.
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Im me di ate ly re pla ce any da ma ged se als.
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Chan ge the re turn fil ter ele ment and the air fil ter
with each chan ge of hyd rau lic oil.
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