Figure 5. Pressure filter
1. By ---pass valve (opening pressure 0,35 MPa)
2. Support ring (outermost)
3. Filter insert
All oil to the working hydraulics flow through the pressure filter.
Change pressure filter according to the maintenance program.
--- working temperature ---40...+100˚C
--- degree of separation
β10=75
--- max. working pressure 25 MPa
--- pressure loss 0,13---0,17 MPa
Note! From ser. no. F13130 incl. the tractors have a pressure
filter also in the low pressure circuit (see pages 910/9A and B).
The working hydraulic pressure filter can be equipped with a
senso r for the warning light, which indicates blocking of the
filter (see pages 910/9A and 9B). From ser. no. F16407 incl. the
pressure filter has been modified. A spring under the filter insert
has been removed and the upper end t ightening has been
improved. This new filter is not exchangeable with the earlier
one.
Figure 6. Pressure ---limiting valve, working hydraulics, 18 MPa (8000: 19 MPa)
1. Opening pressure stamped on en d of valve
2. Opening pressure can be adjusted with shims (S=0,2, 0,5, 1,0 and 2,0 mm)
1222
Model Code Page
90. Hydraulic system
15. 5. 1996
6000--8750 910 12
15. 5. 1993
200 Nm
1
2
3
1
2
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