![background image](http://html1.mh-extra.com/html/jcb/js70/js70_service-manual_3631821376.webp)
10 - 5
Assembly (cont’d)
6
Apply grease to the inside face of thrust plate
F
and
install it on the shaft using bolts
E
Torque tighten to 62 -
73 Nm (46 - 54 lbf ft.).
7
Apply grease to a new 'O'-ring
D
and install it onto
cover
C
. Install the cover
C
to the roller
A
. Retain with
bolts.Torque tighten the bolts to 27 - 31 Nm (20 - 23 lbf
ft.).
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
9803/6020
Section J
10 - 5
Issue 1
Top Roller
B
286690
286680
286750
286770
A
E
C
D
A
F
E
V
V
Summary of Contents for JS70
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