Hyd Rau Lic - Ammann APR 2220 Traduction Du Mode D'emploi Original

8. Main te nance ma chine
8.5.1 Fill ing and bleed ing the cir cuit
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Re lease lock ing screw (1).
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Set throt tle le ver (2) to «V».
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Pour in hy drau lic fluid whilst con tin u ally chang ing the throt tle
le ver po si tion. To en sure cor rect bleed ing, from time place the
shaft ver ti cally.
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Stop fill ing when
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a dis tinct «click ing»-noise is heard in the ex citer whilst
shift ing the le ver
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you no lon ger feel a cush ion of air when mov ing the
throt tle le ver.
When fill ing, the cir cuit path is short ened.
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To check oil level, start en gine and bring up to op er at ing
speed.
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Move throt tle le ver sev eral times back wards and for wards be -
tween «V» and «R».
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The cor rect oil level should be some where in the area shown
(See Illus.); at this point the throt tle le ver must be in the «V»
po si tion.
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If the level is too low, top up with hy drau lic fluid; if too high,
drain off ex cess fluid.
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With the ma chine run ning and the throt tle le ver in the «V» po -
si tion, close lock ing screw (1).
8.5.2 Hy drau lic hose lines
1 Ammann Ar ti cle No.
2 Man u fac turer/Month and year of man u fac ture
3 Max. op er at ing pres sure
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:
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Dam age to the outer layer to the in ner lin ing (abra sion marks,
cracks, cuts, etc.).
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Brit tle ness of the outer layer (crack ing of hose cov er ing).
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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).
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Leaks.
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Dam age or de for ma tion of hose fit tings (im paired seal ing
func tion).
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Hose slips out of the fit ting.
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Cor ro sion of fit ting (de grad ing of func tion and strength).
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Im proper in stal la tion.
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Use be yond the ex piry date of max. 6 years.
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