jcb Mini CX - Page 311

Section E - Hydraulics
Valves
Pressure Testing
E-141 E-141
9803-9340-8
Auxiliary Relief Valve (ARV) - Using
Hand Pump
Insert the A.R.V. into the test block, part no. 892/00252.
Connect hand pump 892/00223 and a 0 - 400 bar (0 - 6000
lb/in
2
, 0 - 422 kg/cm
2
) pressure gauge.
Plug the two large diameter (3/4 inch B.S.P.) ports of the
test block using blanking plugs (892/00059) and bonded
washers (1406/0021).
Pressurise until oil begins to escape from the drain hole D.
At this point the gauge will indicate the crack pressure of
the A.R.V.
The pressure should be as given in Technical Data.
If required, adjust the pressure by removing dome nut A,
slackening lock nut B and turning screw C.
Torque Settings
331130-1
Fig 11.
Item Nm kgf m lbf ft
A 5.4 - 8.2 0.55 - 0.83 4 - 6
B 5.4 - 8.2 0.55 - 0.83 4 - 6
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