JLG 600SC_660SJC Service Manual - Manual (Page 115)

SECTION 6 - UNDERCARRIAGE
3120898 – JLG Lift – 6-11
6. Remove the o-ring seal from shaft (5). Remove shaft
(5) from roller (6).
7. Remove Duo-cone seal kit (9) from end collar (8).
8. Remove spring pin (7) from end collar (8) and shaft
(5). Use a press to remove shaft (5) from end collar
(8). Remove the remaining o-ring seal from shaft (5).
9. Remove Duo-cone seal kit (10) from each end of the
track roller.
10. Use a press to remove bearing (11) from each end
of the track roller.
Assembly
1. Thoroughly clean all parts of the track roller prior to
assembly.
NOTE: Do not reuse bearings (11). Use new parts for
replacement.
2. Lower the temperature of bearings (11), and install
one in each end of the track roller with a press.
Install the bearings until the bearings make contact
with the counterbore in the track roller.
3. Use the following procedure to determine the shaft
end play.
Table 6-4. Track Roller Required Tools - Assembly
Tool Part # Description Qty.
A 9U-5985 Seal Installer 1
B 8T-5096 Dial Indicator 1