Claas LEXION 480, Repair Manual

Page: 203 / 1018

188 678.1 - RHB LEXION 480
3.5.3
Impeller
Installing the right-hand impeller bearing
1. Slide the bearing assembly on the shaft and push
it into position at the drum wall, using the special
tool.
Special tool:
A – Hex. bolt M 16 x 420
part no. 235 321.0
B – Hex. bolt M 12 x 60
part no. 236 300.0
2. Screw bolt (A) into the face end of the impeller
shaft. Using bolt (A), lift the impeller until the two
bolts (B) can be located through the bearing
assembly to provide proper guiding.
Drive the bearing assembly on the shaft with a
plastic-tip hammer.
3. Using the four M 12 x 35 bolts, fix the bearing
assembly into place.
Tightening torque = 78 Nm
ATTENTION!
Ensure that there is no pre-load on the
bearing!
4. Refit the lock collar and tighten it in direction of
rotation, then lock it with the set screw.
5. Attach the lubrication line.
6. Refit the jockey pulley.
Installing and adjusting the
threshing drum drive belt (23)
, see page 7.3.9
(Fig. 7)
Removing the left-hand impeller bearing
Remove pulleys.
On machines equipped with cutterbar variable-speed
drive:
Removing the cutterbar variable-speed pulley
assembly (hydraulic)
, see page 7.4.43
On machines without cutterbar variable-speed drive:
From serial no. …:
Removing the rear pulley of cutterbar drive (1) (from
serial no. ...)
, see page 7.4.17
or
Up to serial no. …:
Removing the rear pulley of cutterbar drive (1) (up to
serial no. ...)
, see page 7.4.7
7