JLG 660SJ Service Manual - Manual (Page 108)

SECTION 4 - BOOM & PLATFORM
4-6 – JLG Lift – 3120840
2. Remove the rotator and slave level cylinder from the
fly boom as follows:
a. Tag and disconnect hydraulic lines to rotator.
Use suitable container to retain any residual
hydraulic fluid. Cap hydraulic lines and ports.
b. Remove hardware from pin #1. Using a suitable
brass drift and hammer remove pin #1 from the
fly boom.
c. Supporting the rotator, remove the hardware
from pin #2. Using a suitable brass drift and
hammer, remove pin #2 from the fly boom and
remove the rotator.
d. Telescope the fly section out approximately 50.8
cm to gain access to the slave leveling cylinder.
e. Supporting the slave, cylinder remove the hard-
ware from pin #3. Using a suitable brass drift
and hammer remove pin #3 from the fly boom.
f. Tag and disconnect hydraulic lines to the slave
leveling cylinder. Use a suitable container to
retain any residual hydraulic fluid. Cap hydraulic
lines and ports. Remove the slave cylinder.
Figure 4-7. Boom Assembly Cutaway - S Models - Sheet 3 of 3
Figure 4-8. Location of Components - Rotator and
Leveling Cylinder