This instruction show you guide on how to install preconcave for CLAAS Lexion 480 combine agricultural machine.
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1 Push the preconcave (1) into the drum housing of the machine on pieces of squared timber of approx. 170 mm in height.
Raise the preconcave at the rear and push it over the edge of the main concave.
2 Push the sealing plates (3 and 7) between the preconcave (1) and the machine housing on the right- and left-hand side.
Push the wear strips (4) into the elongated hole of the machine housing at the front sealing plates (3).
Place the hex. bolts (6) with securing rings and washers through the mounting plates and bushings (5 and 8).
Screw bolts (6) loosely into the preconcave (1).
3 Raise the main concave at the front, using two tyre mounting levers, and slide the mounting plates on the pins on the left- and right-hand side.
Secure the mounting plates with set collars and/or split pins.
4 Bolt down the preconcave suspension bolts (6).
Tightening torque = 370 Nm
5 Install the disawner plates (9) and bolt back brace (10).
6 Lift three preconcave segments (V) into the machine and bolt down. Fold up preparation floor cover (F) and bolt it down.
7 Install the feed plate (B) together with cover (K) and bolt down with bolts (T).
Now insert screw plug (S).
Should the machine be fitted with the maize options, install the feed plate for the stone trap.
8 Close the stone trap and lock it.
9 Set the basic concave adjustments
Basic concave setting.
10 Bolt down the guard and drive wheels.
11 Installing the feed rake conveyor
More repair case for CLAAS,please refer to CLAAS Trouble Repair