Picture 11. Cushioning valve, 660071---
3. PTO solenoid valve on the lower side of valve block
4. Cushio ning valve piston
5. Valve ball of tank passage
6. Upper valve ball
7. Return oil to tank via solenoid valve
Note! On later tractors, there is only one signal light for
the PTO. Picture above shows the earlier fitting.
841
Model Code Page
46. Power take ---off
1. 11. 1998
6000--8750 462 9
1. 1. 1995
PTO clutch cushioning valve with effect
from tractor ser. no. 660071.
From tractor ser. no. 660071 the cushioning valve is in---built
intheservovalveblockontheLHsideofthegearbox.The
cushioning valve end plugs are fitted on the top side of the
valve block, see pictures on pages 420/17A and 17B point
8.
Loctite 542
Function and modifications of this valve, see page 460/15.
The valve can be dismantled by removing the plugs on the
servo valve block.
Note! On HiTech tractors (6250---8950) the PTO engagement
is controlled by a proportional valve (AC V), and they have not
the cushioning valve.
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