16 - 14
Pressure Testing - Auxiliary Relief Valve
(A.R.V.'s) - Using Hand Pump
Insert the A.R.V. into the test block, part no. 892/00923.
Connect hand pump 892/00223 and a 0 - 400 bar (0 - 6000
lb/in
2
, 0 - 422 kg/cm
2
) pressure gauge to the pressure port P.
Pressurise until oil begins to escape from the drain hole T. 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 slackening locknut A and
turning cap B.
Section E
Hydraulics
9803/8500
Section E
16 - 14
Issue 1
Valves
S270240
BB
AA
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