SECTION 2 - PROCEDURES
2-12
– JLG Lift –
3120743
2.8
BOOM MAINTENANCE.
Removal. (Model 30)
1.
Remove the platform/support as follows:
a. Disconnect electrical cable from control con-
sole.
b. Using an overhead crane or suitable lifting
device, strap support the platform/support.
c. Remove hardware from pin #1. Using a suitable
brass drift and hammer, remove pin #1 from the
platform support.
d. Supporting the platform/support, remove the
hardware from pin #2. Using a suitable brass
drift and hammer, remove pin #2 from the fly
boom and remove the platform.
2.
Remove the boom from upright as follows:
a. Remove hardware securing the hose clamp to
the ba se boom section an d remove hose
clamps. Pull wiring harness through the aft end
of the base boom section.
HYDRAULIC LINES AND PORTS SHOULD BE CAPPED IMMEDI-
ATELY AFTER DISCONNECTING LINES TO AVOID ENTRY OF
CONTAMINANTS INTO SYSTEM.
b. Using a suitable lifting equipment, adequately
support boom link weight along entire length.
c. Remove hardware securing the upper link pin
#1. Using a suitable brass drift and hammer,
remove pin #1 from the upright and remove
upper link.
d. Using a suitable lifting equipment, adequately
support boom weight along entire length.
e. Remove hardware securing the lift 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.
Figure 2-3. Location of Components - Platform
Support (Model 30).
Figure 2-4. Location of Components - Removal of Base
Boom. (Model 30)
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