Claas LEXION 480, Repair Manual

Page: 904 / 1018

9.6.2
RHB LEXION 480 - 188 678.1
Hydraulic cylinders for low-pressure hydraulics
Disassembling the threshing mechanism
engagement hydraulic cylinder
With the cylinder barrel chucked, turn the cylinder
head so that the securing wire (D) is pushed out of the
groove in the cylinder barrel.
(Fig. 4)
Pull the cylinder head (Z) and the ram rod (K) out of
the cylinder barrel.
Clean the ram rod and pull off the cylinder head.
(Fig. 5)
Unscrew the ram (H) from the male screwed end of
ram rod (K).
NOTE!
The joint is secured with liquid locking
compound. It can be released easily by heating
it to about
200 °C .
All seals can now be replaced.
(Fig. 6)
Threshing mechanism engagement hydraulic cylinder,
disassembled:
1 Cylinder barrel
2 Seal 35 x 50 x 10
3 Ram
4 Ram rod
5 O-ring 46.2 x 3-N 3771 (up to serial no. ...)
6 Dual seal ring (from serial no. ...)
Back-up ring (up to serial no. ...)
7 Securing wire
8 Cylinder head
9 Seal 40 x 48 x 6
10 Dirt scraper
(Fig. 7)
4
5
6
5
2 1 2 3
8
6
7
10 9
32176
4
7