jcb JS300 Service Manual page 872

A
Fig 89.
5 Deform the u-packing ring into a loose curve with the
u-packing holder and insert it into its fitting groove
K Fig 90. ( T
E-211). Fit the back up ring after fitting
the u-packing ring.
Fig 90.
6 Place the Wiper ring into the cylinder head
horizontally. Using the insertion tool, carefully press
the wiper into position making sure not to deform the
K Fig 91. ( T
wiper lip
E-211
B
C031040-C1
C031050
E-211).
7 Install the
K Fig 92. ( T
9813/5100-1
Section E - Hydraulics
Hydraulic Rams
Dismantling and Assembly
Fig 91.
retaining ring into
E-211).
Fig 92.
C031060
it groove
C031070
E-211