jcb JS300 Service Manual page 817

Fig 11.
11 Remove O-ring from the ring gear.
Fig 12.
12 Lift the staking on the ring nut.
E-156
C068890
C068900
K Fig 13. ( T E-156)
9813/5100-1
Section E - Hydraulics
Fig 13.
13 Assemble the Socket Box Wrench and Nut Adapter
on the ring nut, see Service Tools, Section 1.
Fig 14.
14 By using a torque multiplier (1:25) loosen the ring nut.
Remove the ring nut.
Swing Gearbox
Dismantling and Assembly
K Fig 15. ( T E-157)
E-156
C068910
C068920