Section E - Hydraulics
E - 60 E - 60
9803-9450-2
Pressure Testing
Loader Main Relief Valve (M.R.V.)
Make sure that the hydraulic fluid is at correct working
temperature (50 °C, 122 °F)
Remove the seat and seat base.
Connect a 0 - 400 bar (0 - 6000 lb/in
2
, 0 - 422 kg/cm
2
)
pressure gauge to test connector A.
With the engine running at maximum speed, check the
M.R.V. setting by raising or lowering the loader arm until
the rams are fully open or closed and noting the maximum
gauge reading. Keep clear of the loader arm. The
maximum pressure should be as stated in K
General
Data ( T E-1).
If the pressure is incorrect, slacken lock nut C and turn
adjusting screw D clockwise to increase the pressure or
anti-clockwise to decrease the pressure. Tighten lock nut
C and recheck the pressure.
Remove the pressure gauge and refit the seat and seat
base.
Fig 47.
A
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