JLG 600SC_660SJC Service Manual - Manual (Page 60)

SECTION 3 - GRADALL CHASSIS
3-16 – JLG Lift – 3121157
48. Repeat tracking process to opposite side of frame.
49. Using overhead crane connect top of track to crane.
Lift slightly and remove wooden blocking used to
curl in tracks. Repeat on opposite side.
50. Re-assemble (4) track pads to assembled links.
51. Torque track pad bolts to 65 ft-lbs, +6 (91 Nm,
+8.4), then tighten 1/3 turn (120°) further.
52. In special grease fitting, pump in grease to add ten-
sion to track. Check for proper adjustment between
idler & carrier roller with "level" and gage (0.781in.
[19.8 mm]). Remove special fitting.
53. Repeat process on opposite side.
3.2 TRACK TENSIONING
1. Using special grease fitting tool (P/N 83813109),
pump in grease to add tension to track. Check for
proper adjustment between idler & carrier roller with
"level" and gage (0.781in. [19.8 mm]). Remove spe-
cial fitting.
2. Repeat process on opposite side:
3. In special grease fitting, pump in grease to add ten-
sion to track. Check for proper adjustment between
idler & carrier roller with "level" and gage (0.781).
Remove special fitting.