213
Model Code Page
6000--8750
23440
44. Quick---shift gear, reverse shuttle
and 4WD clutch
1. 9. 2002
1. 11. 1998
Picture 14. Later servo valve block, 660071 ---, which is fitted
on tractors with 2 --- step quick --- shift gear or without quick---
shift gear (and DPS), and with mechanical shuttle.
The valve block is placed on the LH side of the gearbox.
Y3 = Solenoid valve for 4WD
S16 = Transmission oi temperature sensor (warning light)
S17 = Transmission oil pressure sensor (warning light)
1. Connector is plugged on tractors without quick ---shift gear
2. Oil inlet from the working hydraulic return oil side.
3. Pressure---limiting valve
4. Pressure---test point, low pressure circuit.
P = Pressure oil inlet from the low pressure pump.
The pressure ---limiting valve (1,8 MPa) in the valve above is of
different construction compared with the pressure ---limiting
valve in the previous valve block. The cross---section of the
new pressure---limiting valve is shown on page 440/13.
The valve block above has the same components as the valve
block which is fitted on tractors with Delta Powershift, see
page 440/13. However, the valve above has not solenoid
valves for Delta Powershift and not even the valve spool for a
direct ratio of Delta Powershift.
To the quick-shift
To t e h
quick- shift
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