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Lift control spool valve - Open Centre
G . Removing and refitting the spool
valve
Preliminary operations
1. Immobilise the tractor. Chock the front wheels.
Take off the rear wheel concerned.
2. Position a safety stand.
3. Detach the fuel tank from the gearbox or, if neces-
sary, remove it after draining.
Removal
4. Identify then disconnect the wiring harnesses from
the lifting (8) and lowering (7) solenoid valves
(Fig.
10).
N
: The lowering solenoid valve is turned
OTE
towards the front of the tractor.
5. Mark, disconnect and block
- the hose (1) from the auxiliary spool valves;
- the supply or return pipe (2) from the lift rams.
6. Extract the screws (1) and remove the lift control
spool valve (12) without losing the O'rings (2) and
(3)
(Fig.
12).
09F01.16
(Fig.
11):
Fig. 10
Fig. 11
Fig. 12
Massey Ferguson 5400 - Issue 1.a
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