Massey Ferguson 5400 - Issue 1.a
09J01.6
GBA20 Power Shuttle control unit
Proportional solenoid valve
Removal (Fig. 4)
1. Remove flange (1).
2. Drive off the solenoid valve (11) or (12) by gently
applying pressure with a screwdriver between the
valve and the unit.
Refitting
3. Check the condition and cleanliness of the O’rings
fitted on the solenoid valve.
4. Position and manually drive the solenoid valve into
its housing, beyond the resistance point (O’rings
squeezing).
5. Position the flange.
Tighten the screw from 8 to 11 Nm.
Identification of ports on a proportional
solenoid valve (Fig. 5)
A: Clutch supply ports
B: Clutch return ports
P: 17 bar pressure
Electrical connection (Fig. 5)
C: Solenoid supply
Fig. 4
Fig. 5