SECTION 4 - BOOM & PLATFORM
4-16
31215031
4.10 MAIN BOOM ASSEMBLY
Refer to Figure 4-5., Main Boom Assembly Components.
Removal
1.
Support boom assembly weight along entire length
using suitable lifting equipment.
CAP HYDRAULIC LINES AND PORTS IMMEDIATELY AFTER DISCONNECTING
LINES TO PREVENT SYSTEM CONTAMINATION.
2.
Tag and disconnect hydraulic lines from telescope cylin-
der. Use suitable container to retain any residual hydrau-
lic fluid. Cap hydraulic lines and ports.
3.
Remove hardware securing lift cylinder rod end to base
boom section.
4.
Remove lift cylinder pin from base boom using a suit-
able brass drift and hammer.
5.
Remove hardware securing master cylinder rod end to
base boom section.
6.
Remove master cylinder pin from base boom using a
suitable brass drift and hammer.
7.
Remove hardware securing boom pivot pin to turntable
upright.
8.
Using a suitable brass drift and hammer, remove pivot
pin from turntable upright.
9.
Using all applicable safety precautions, carefully lift
boom assembly clear of upright. Lower to ground or
suitably supported work surface.
LIFT CYLINDER
PIN
MAIN LIFT
CYLINDER
MASTER
CYLINDER PIN
MASTER
CYLINDER
BOOM
PIVOT PIN
MAIN BOOM
TOWER BOOM
UPRIGHT
Figure 4-5. Main Boom Assembly Components
Go
to
Discount-Equipment.com
to
order
your
parts
