jcb JS300 Service Manual page 805

Fig 26.
Fig 27.
12 Lightly grease new O-rings 706 and 707 and install in
main housing 301.
E-144
13 Install brake piston 702 just in main housing 301 with
slits B positioned as shown below. Screw in two M8
bolts and gently tap these evenly to fully install the
brake piston. Remove the two bolts.
9813/5100-1
Section E - Hydraulics
Swing Motor
Dismantling and Assembly
Fig 28.
Fig 29.
E-144