JLG 600SC_660SJC Service Manual - Manual (Page 121)

SECTION 6 - UNDERCARRIAGE
3120898 – JLG Lift – 6-17
1. Install tooling (A) in the track link and on the
sprocket as shown.
2. Start the machine. Move the sprocket forward until
the track assembly is pulled on the sprocket. Move
the sprocket forward until the end of the track
assembly is past a vertical line through the center of
the sprocket. Remove tooling (A).
3. Install tooling (B) between the first bushing in the
track link and the sprocket as shown.
4. Move the sprocket forward. Use tooling (B) to guide
the track assembly over the carrier rollers and the
front idler.
5. Install tooling (C) between the track links in the end
of the track assembly as shown. Install 1P-3570
Hook (1) between the track links in the end of the
track assembly as shown. Hook (1) is part of tooling
(A).
6. Move the track assembly forward or backward until
the separation in the track assembly is below a hori-
zontal line through the center of the sprocket.
7. Apply Molybdenum Grease on two track bushings
(2). Install the bushings in the track links as shown.
The grease will hold the bushings in place.
8. Install tooling (D) under the rear of the track assem-
bly as shown. Move the track assembly backward
until the separation in the track assembly closes and
the pin bores in both ends of the track assembly are
in alignment with each other. The machine may be
moved back and forth in order to align the pin bores.
9. Apply Molybdenum Grease in the master pin bores
in the track assembly and on the master pin. Install
the master pin with a hammer. Install the cotter pin in
the master pin. Remove tooling (D) from the rear of
the track assembly.
10. If the track shoe on each side of the master pin was
removed, reinstall the tack shoes. Use tooling (E) to
reinstall the track bolts.
11. Tighten the tension of the track.