JLG 600SC_660SJC Service Manual - Manual (Page 75)

SECTION 4 - CAT CHASSIS (PRIOR TO S/N 0300128000)
3121157 – JLG Lift – 4-13
3. Install Tooling (D) between the first bushing in the
track link and the sprocket, as shown.
4. Move the sprocket forward. Use Tooling (D) to guide
the track assembly over the carrier roller and the
front idler.
5. Slowly move the machine forward until the separa-
tion in the track assembly is below a horizontal line
through the center of the front idler.
6. Put Tooling (B) on spacers (6) in order to hold spac-
ers (6) and the seals in place. Install spacers (6) and
the seals in the track links.
7. Raise the front of the track assembly, and install
Tooling (A) under the track assembly. Slowly move
the machine forward until the separation in the track
assembly closes, and the pin bores in each end of
the track assembly are in alignment with each other.
The machine may need to be moved back and forth
in order to align the pin bores.
8. Put Tooling (B) in the master pin bores in the track
assembly and on master pin (3). Install master pin
(3). Install cotter pin (4) in order to retain the master
pin. Remove Tooling (A).
9. Install track shoes (2) over the master pin on the
track assembly. Tighten bolts (1) to a torque of 175
± 40 Nm (130 ± 30 lb ft). Tighten bolts (1) by an
additional 120°.
10. Adjust the track tension. Refer to Section 4.12, Track
Adjustment.