JLG 600SC_660SJC Service Manual - Manual (Page 72)

SECTION 4 - CAT CHASSIS (PRIOR TO S/N 0300128000)
4-10 – JLG Lift – 3121157
3. Lift the side of the machine. Install Tooling (A) under
undercarriage (1), as shown. Adjust the height of
Tooling (A) in order to have sufficient clearance for
the removal of the track rollers.
4. Loosen but do not remove the bolts that hold track
guide (2) to the undercarriage.
5. Attach a suitable lifting device to Tooling (B). Posi-
tion Tooling (B) under track guide (2), as shown.
Remove the bolts that secure the track guide.
Remove track guide (2). The weight of track guide
(2) is approximately 18 kg (40 lb).
6. Loosen but do not remove the bolts that secure
track roller (3) to the undercarriage.
7. Attach a suitable lifting device to Tooling (B).
8. Position Tooling (B) under track roller (3).
9. Remove the bolts that secure track roller (3).
Remove track roller (3). The weight of track roller (3)
is approximately 25 kg (55 lb).
Installation
NOTE: There is a track guide on each side of the machine.
The procedure which follows is for the installation of
the track roller and the track guide.
1. Make sure that all the mounting surfaces on the fol-
lowing components are clean and free of debris
before the following components are installed:
• Track Roller
• Track Guide
NOTE: Make sure that the fill/drain plug in the roller faces
toward the outside of the undercarriage.
Table 4-5. Track Roller Required Tools - Installation
Required Tools
Tool Part Number Part Description Qty.
A 8S-7611 Tube Assembly 2
8S-7615 Pin 2
8S-7640 Stand 2
B 183-4797 Track Roller Lifting Fork 1