MASSEY FERGUSON 5400 - Removing - Refitting and Disassembling - Reassembling the 17 Bar Valve

Massey Ferguson 5400 - Issue 1.a
09H01.7
17 bar - 5 bar and 1.5 bar valves - Open centre
C . Removing - refitting and disas-
sembling - reassembling the 17 bar
valve
NOTE: It is not necessary to remove the left-hand
hydraulic cover to carry out work on the valve.
Removal
1. Remove any parts around the valve that may
obstruct work.
2. Remove and separate the valve (2) from the
left-hand hydraulic cover (Fig. 1).
Refitting
3. Check the condition of the O'ring (10) and replace
if necessary.
4. Screw the valve back onto the cover and tighten to
40 - 55 Nm.
Disassembly (Fig. 6)
NOTE: The valve comprises several hydraulic parts
(spool, springs and ball) which cannot be replaced
separately.
5. Remove the O'ring (10).
6. Tighten the hexagonal head of the valve in a vice
with protective jaws.
7. Gradually unscrew the plug (12) and discard the
O'ring (11).
8. Recover:
- spring (9),
- shim(s) (8).
9. Gradually unscrew the plug (4) and discard the
O'ring (3).
10. Recover:
-spring (5)
- ball (6).
11. Remove the spool (7) by carefully tapping the shaft
(13) against a wooden shim.
Fig. 6