12 - 2
Replacement
1 Before fitting the roller, fill with oil (see Fluids and
Lubricants, Section 3). Install the plug A using an
appropriate pipe thread sealant.
With the undercarriage lifted and supported as shown
in Removal, position the roller on the track link as
shown.
Align the holes in the mounting brackets with the
tapped holes in the undercarriage.
2 Lower the undercarriage sufficient to allow the
mounting bolts to be installed.
3 Apply JCB Threadlocker and Sealer to the threads and
install the mounting bolts. Tighten to a torque of 109 -
127 Nm (80 - 94 lbf ft)
4 Apply grease through the check valve to adjust the
track tension (see Checking/Adjusting the Track
Tension, Section 3).
Section J Track and Running Gear
9803/6020
Section J
12 - 2
Issue 1
Bottom Roller
AA
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