Massey Ferguson 5400 - Issue 1.a
09J01.9
GBA20 Power Shuttle control unit
E . Explanation of Speedshift ratios
NOTE: For design operation and mechanical explana-
tion of ratios, see chapter 5.
Ratio C (Fig. 10)
Ratio C is obtained by switching on the EV2 solenoid
valve. The oil flows to the Speedshift pistons via sole-
noid valve EV2.
Ratio D (Fig. 11)
Ratio D is obtained by switching off EV2. The solenoid
valve is at rest. The two pistons are connected to the
housing.
Fig. 10
Speedshift
Fig. 11
Speedshift
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