JLG E45A_AJ ANSI Service Manual - Manual (Page 35)

SECTION 2 - PROCEDURES
3120765 – JLG Lift – 2-19
d. Remove hardware securing the lift cylinder pin
#1. Using a suitable brass drift and hammer,
remove pin #1 from the base boom.
e. Remove hardware securing the master cylinder
pin #2. Using a suitable brass drift and hammer,
remove pin #2 from the base boom.
f. Remove hardware securing the base boom pin
#3. Using a suitable brass drift and hammer,
remove pin #3 from the upright.
g. Using all applicable safety precautions, carefully
lift boom assembly clear of upright and lower to
ground or suitable supported work surface.
Disassembly Boom Sections
1. Loosen jam nuts on aft end of fly boom wear pad
adjustment and loosen adjustments.
2. Using a portable power source, attach hose to tele-
scope cylinder port block. Using all applicable
safety precautions, activate hydraulic system and
extend cylinder to gain access to cylinder rod pin
#1. Shut down hydraulic system.
3. Carefully disconnect hydraulic hose from retract port
of cylinder. There will be initial weeping of hydraulic
fluid which can be caught in a suitable container.
After initial discharge, there should be no further
leakage from the retract port.
4. Remove hardware securing telescope cylinder #1 to
the fly boom section, then remove pin from fly.
5. Remove hardware securing telescope cylinder to
the base boom section.
WHEN REMOVING TELESCOPE CYLINDER FROM BOOM SEC-
TIONS. CARE SHOULD BE TAKEN NOT TO LET CYLINDER REST
ON POWERTRACK WHICH COULD CAUSE DAMAGE TO POWER-
TRACK.
6. Using a suitable lifting device, remove telescope cyl-
inder from boom sections.
Figure 2-22. Location of Components - Boom
Removal