JLG 600SC_660SJC Service Manual - Manual (Page 82)

SECTION 4 - CAT CHASSIS (PRIOR TO S/N 0300128000)
4-20 – JLG Lift – 3121157
10. Open the covers (6) on Tooling (A). Measure Dimen-
sion (X). Dimension (X) equals 377.0 ± 0.7 mm
(14.84 ± 0.03 inch). If the compressed length of
Dimension (X) is not correct, close covers (6) on
Tooling (A) and adjust the length with Tooling (B).
Adjust the length of Dimension (X) until the com-
pressed length of Dimension (X) is correct.
11. Apply Tooling (E) to the threads of rod (9). Install
washer (8) and nut (7). Tighten nut (7) until there is
sufficient clearance in order to install strip (14) (not
shown).
12. Apply Tooling (F) to the threads of bolts (15) (not
shown). Install strip (14) (not shown) and bolts (15)
(not shown).
13. Fasten a suitable lifting device to the recoil spring
assembly. The weight of the recoil spring assembly
is approximately 53 kg (117 lb). Remove the recoil
spring assembly from Tooling (A).
End By:
a. a. Install the track adjuster. Refer to Section 4.9,
Track Adjuster.
4.8 FRONT IDLER AND RECOIL SPRING
Installation
1. Attach a suitable lifting device onto hydraulic track
adjuster (2). The weight of hydraulic track adjuster
(2) is approximately 68 kg (150 lb). Position hydrau-
lic track adjuster (2) into the undercarriage frame.
2. Position suitable cribbing under hydraulic track
adjuster (2). Attach a suitable lifting device onto front
idler (1). Position front idler (1). The weight of front
idler (1) is approximately 68 kg (150 lb). Install bolts
(3).
Table 4-11. Front Idler & Recoil Required Tools -
Installation
Required Tools
Tool Part Number Part Description Qty.
A 180-3033 Jack Stand Gp 1