Claas LEXION 480, Repair Manual

Page: 310 / 1018

5.1.14
RHB LEXION 480 - 188 678.1
Returns elevator
2. Install the flange ball bearings on both sides of the
machine and tighten.
Align the auger so that the shaft shoulder makes
contact with the inner race of the lock collar
bearing on the left-hand side.
3. Secure the flange ball bearing with the lock collar,
then secure the lock collar. Check the auger for
free and easy rotation.
4. Align the V-belt pulley and insert the key.
Install and tension the V-belt (15). To retension,
pretension the compression spring (D) with the
nut (E) to the gauge rod length. Lock the nuts
(K and E) and tighten clamping bolt (A) on the
jockey pulley.
(Fig. 42)
5. Align sprocket (4) so that it is centred to the
elevator, then secure the sprocket with the set
collars (2).
(Fig. 41)
6. Insert the cap. Connect the two ends of the chain
with the chain connector at the bottom.
7. Tension the chain using the hex. nut (M) so far that
the paddles do not scrape the elevator housing. It
must be possible to push the conveyor chain to
the side manually at the bottom chain wheel.
Re-tension the drive chain with the block
tensioner (S). Re-tighten the clamping bolts (G)
and nuts (H).
(Fig. 34)
8. Close inspection door (A) and bolt down
guard (C).
(Fig. 31, 32)
9. Refit the cover plate (V).
(Fig. 37)
A
15
E
K
D
32397
42