Claas LEXION 480, Repair Manual

Page: 910 / 1018

9.6.8
RHB LEXION 480 - 188 678.1
Hydraulic cylinders for low-pressure hydraulics
6. Insert the complete cylinder head (6 to 11) on
the ram rod and then slide it into the cylinder
barrel (1).
7. Twist the complete cylinder head (6 to 11) so that
the hole in the cylinder head groove lines up with
the slot in the cylinder barrel.
Hang in the greased securing wire (8) with its
hook in the cylinder head bore and turn the
cylinder head. The securing wire is pulled into the
groove.
For every assembly of the cylinder, use a new
securing wire.
8. Insert the guide tube (12) into the compression
spring (13), and screw down with bushing (14),
thrust washer (15), washer (16) and bolt (17).
Insert bolt with liquid locking compound, e.g.
DELO-ML 5328, part no. 201 802.0.
Tightening torque = 110 Nm
9. Slide the extension (18) on the ram rod (5). Insert
the bolt (19) and screw to lock nut (20).
(Fig. 17)
Installing the grain tank unloading
engagement hydraulic cylinder
1. Insert the cylinder into the jockey pulley arm and
into the right-hand mounting plate. Bolt down the
left-hand mounting plate.
Push in the dowel screw and tighten.
Tightening torque = 122 Nm
2. Connect the hydraulic hoses to the cylinder, using
new copper washers.
3. Fill in hydraulic oil at the filler plug (S) of tank (T)
– see page 9.2.3,
Filling instructions when
changing the hydraulic oil
.
4. Check the hydraulic system for any leaks. Bleed
the cylinder by operating it several times.
(Fig. 18)
18