Massey Ferguson 5400 - Issue 1.a
09K01.10
57 l/min Open Centre tests
Checking the flow rate of the pump
CAUTION : When carrying out tests, the rear
axle must not be placed on chocks with the front
axle (4WD) engaged.
- Connect a flowmeter between the 15 micron filter(s)
(1) outlet located to the front right-hand side of the
rear axle, and the supply pipe (2) to the Orbitrol spool
valve (Fig. 7).
I
MPORTANT: Check that the flowmeter load valve
remains fully open throughout the test.
- Also connect a pressure gauge to the low pressure
diagnostics connector (1) screwed to the top of the
right-hand hydraulic cover, at the front (Fig. 8).
- CheckQ3.
Engine
speed
(rpm)
P4
(bar)
Q3
(l/min)
Correct
position
1000
18
± 116,0± 1
steering at
neutral
2200
18
± 132,7± 2
steering at
neutral
Fig. 7
Fig. 8