- Apply some oil to the ring (8) as well as to the threaded
part of the connecting rod (3) and nut (7). Fit the nut on the
rod.
- Tighten the nut (7).
Torque: 950 Nm (95 kgm).
This torque is realised by extending your wrench with a
150 cm long pipe (fig. A-4) and by then applying a force of
635 N (63,5 kg).
- Tighten the five bolts (14) with a torque of 120 Nm (12
kgm) and secure the bolt with a second nut.
A.2
Replacement of the disc on the drive element
- Untighten the three bolts from the cover (A , fig. A-5).
- Untighten the bolts from the protection bush (B) and lower
it into the hat (C).
- Dismount the yoke (D) from the stub axle.
- Remove the cover (A) and protection bush B.
- Untighten the four bolts in the bottom of the hat (C) 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.
- Secure the mover (drive) disc bolts with Loctite 243 and
tighten them with a torque of 20 - 25 Nm (2 - 2,5 kgm).
41
Supplement A
A-4
950 Nm
(95 kgm)
635 N
63.5 kg
A-5
D
B
A
C
