jcb JS300 Service Manual page 795

Replacement
Replacement is a reversal of the removal sequence.
!M
WARNING
Fluid Under Pressure
Fine jets of fluid at high pressure can penetrate the
skin. Keep face and hands well clear of fluid under
pressure and wear protective glasses and gloves.
Hold a piece of cardboard close to suspected leaks
and then inspect the cardboard for signs of fluid. If
fluid penetrates your
immediately.
INT-3-1-10_3
1 Check slew gearbox oil level, refer to Section 3,
Routine Maintenance
2 After replacement check the main relief valve
(M.R.V.) and auxiliary relief valve (A.R.V.) pressure
settings.
E-134
skin, get medical help
9813/5100-1
Section E - Hydraulics
Swing Motor
Removal and Replacement
E-134