EN-22
A.2 Replacement of the disc on a drive
element
- Untighten the three bolts from the cover A (fig. A-5) and remove
the cover A.
- Remove the gearbox B from the frame and slide the shaft stub of
gearbox B from yoke C.
- Untighten the four bolts in the bottom of the hat D and remove the
hat.
- Dismount the mower disc.
- Mount the parts in the reverse order. Mind the position of the disc
in respect of the other discs. Fit the hat D in such a way that the
gripper E is positioned behind the mower knife.
- Secure the mover (drive) disc bolts with Loctite 243. Tighten the
nuts with a torque of 20-25 Nm (2-2.5 kgm). Tighten the fixation
bolts of the hat D while applying the normal torque of 50 Nm
(5 kgm).
B HYDRAULIC SCHEME
Legend:
1 Single acting ram (break back device)
2 Breather
3 Single acting ram (mowing unit)
A-5
B
C
A
D
E
A-5
1
3
2
Supplement A & B