BIO RAD 400-0174 Betriebsanleitung Seite 346

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Seitenansicht 345
Maintenance – Mowing Units
346
Pos: 28.28.4 /B A/Wartung/Mäh werke/Beschreibu ng Schersicheru ng @ 0\ mod_119727264 1328_78.doc @ 1 6674
BiG M CV
BiG M CRI
BM 400 0141
2
3
1
4
2
3
1
4
a
b
a
b
Fig. 305:
For protection against overload on the mowing units, the rotary hubs (1) are secured with nuts
(2) and shear pins (3).
If the machine strikes obstacles (for example stones), the 2 shear pins in the rotary hub will be
sheared off. The rotary hub and nut turn upward on the pinion shaft.
The cutting discs or drums which move crop to the left (in the direction of travel) (LH)
have left-handed threading.
The cutting discs or drums which move crop to the right (in the direction of travel) (RH)
have right-handed threading.
To distinguish between right-hand (clockwise) rotation (RH) and left-hand (anti-clockwise)
rotation (LH), the nuts (2) and pinion shaft (4) for left-hand rotation (LH) have a distinctive grove
(a, b).
Left-handed (LH) nuts (2) have distinctive grooves (a) on the bevel.
Left-handed (LH) pinion shafts (4) have a distinctive groove (b) on the face.
Pos: 28.28.5 /B A/-----Seitenumbruch------ @ 0\mod_1 196175311226_0. doc @ 4165
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