OIL COOLER
DIFF. LOCK
DIFF. LOCK
PRESSURE TEST
POINT
Figure 3. Servo valve block (low pressure circuit)
(the valve block is fitted on the LH side of the gearbox)
A. Oil cooler safety valve
B. Pressure --- limiting valve, low pressure circuit (opening pressure can be adjusted with shims)
Note! Opening pressure stamped on end of valve
C. Lubricating oil pressure sensor (warning light comes on if pressure drops below 20 kPa.
D. Hydraulic oil temperature sensor (warning light comes on at temperature of +93±3˚C)
TO
QUICK
--- S H IF T
GEAR
PRESSURE
Important! With effect from tractor ser. no. 660071 the tractors have different type of valve block,
see pages 420/17---20C. See also under code 440.
1218
Model Code Page
90. Hydraulic system
1. 11. 1998
6000--8750 910 10
15. 5. 1993
4WD PTO
ø2mm
1,8 MPa
0,4 MPa
s= 0,2
0,5
1,0
2,0
A
B
C
D
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