jcb JS130, Service Manual

Page: 523 / 533

10 - 5
Assembly (cont’d)
6 Apply grease to the inside face of thrust plate G and
install it on the shaft using bolts F .
7 Apply grease to a new 'O'-ring E and install it onto
cover D . Install the cover D to the roller A . Retain with
circlip C .
8 Remove plug B and connect compressed air pipe V to
the port. Using extreme care to prevent water entering
the assembly, lower it into a tank of water.
Apply air pressure of 1.9 bar (28 lbf/in
2
) and check that
there are no bubbles leaking from the unit. If leakage
occurs dismantle and re-assemble, taking extra care
when fitting new seals.
9 Remove the assembly from the tank. Dry with
compressed air. Fill with oil (see
Fluids and Lubricants ,
Section 3) and install plug B using an appropriate pipe
thread sealant.
Section J Track and Running Gear
9803/6410
Section J
10 - 5
Issue 1
Top Roller
B
JS01560
JS01570
JS01580