jcb JS300 Service Manual page 954

c Re-assemble relief valve assembly
d Fix the sleeve into a vice and install the cap A with
a torque of 156.9 Nm (115.17 lb ft).
e Install the relief assembly in the slew motor unit,
and confirm the pressure.
E-293
Hydraulic System Test Procedures
9813/5100-1
Section E - Hydraulics
Slew Motor Pressure Relief
E-293