This instruction show you guide on how to install the threshing drum for CLAAS Lexion 480.
Installing the threshing drum
1. Using a suitable lifting device, guide the drum into the machine housing from the right-hand side. While doing so, place a suitable tube onto the shaft end on the left-hand side. Use this tube to guide the shaft end into the notch.
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2. Support the underside of the drum with wooden wedges on both sides.
3. The bearing bore, taper lock sleeve and the shaft seat must be dry and free from grease.
4. On the right-hand machine side, assemble the bearing assembly (8 – 12), the spacer (7) and the assembly cover (6) on the shaft end.
5. Guide the M 12 x 100 bolts through the bearing assembly (8 – 12) and the spacer (7) and bolt into the assembly cover (6).
6. Remove the wooden wedge from under the drum and reinstall the assembly cover to the drum housing. Refit the grease pipe.
7. Installing the right-hand drum bearing, see page 3.4.5 Installing the left-hand drum bearing assembly, see page 3.4.9
8. Tighten the M 50 x 1.5 face-end slotted nut (24) to 30 Nm using the special tool (part no. 180 142.0), then continue tightening by 68° and then to the next slot position, matching it with the nose of circlip (23). Secure the slotted nut.
9. Refit the grease pipe.
10. Place the parallel key into the slot on the shaft. Slide the clamping hub (26) onto the shaft and align it, using the dimension (X) = 61 mm according to Fig. 41. Tighten the clamping hub using the M 10 x 60 DIN 931-8.8 hex. bolt. Tightening torque = 45 Nm
11. Bolt down the V-belt pulley with the M 10 x 25 DIN 933-10.9 hex. bolt. Tightening torque = 72 Nm
12. On the left- and right-hand side, install the drive belts (R) and tension them.
13. Refit the guards and the wheels
