5.7.8 Fill ing and bleed ing the cir cuit
•
Re lease lock ing screw (1).
•
Set throt tle le ver (2) to «V».
•
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.
•
Stop fill ing when
-
a dis tinct «click ing»-noise is heard in the ex citer whilst shift -
ing the le ver
-
you no lon ger feel a cush ion of air when mov ing the throt tle
le ver.
•
To check oil level, start en gine and bring up to op er at ing
speed.
•
Move throt tle le ver sev eral times back wards and for wards be -
tween «V» and «R».
•
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.
•
If the level is too low, top up with hy drau lic fluid; if too high,
drain off ex cess fluid.
•
With the ma chine run ning and the throt tle le ver in the «V» po -
si tion, close lock ing screw (1).
5.7.9 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:
•
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 proper in stal la tion.
•
Use be yond the ex piry date of max. 6 years.
5. Main te nance
65
Important
When fill ing, the cir cuit path is short ened.
AVP 22-3020
B3299020.cdr
V
R
1
2
Hydro-oil
HVLP 46
1
2
AVP 3520
Hydro-oil
HVLP 46
B3
49
9
0
0
1
.cd
r
V
R
1
2
B8299325.cdr
1
2
3