JLG G12-55A Service Manual - Manual (Page 37)

3-3 G10-55A, G12-55A
Boom
3.1 BOOM SYSTEM COMPONENT
TERMINOLOGY
The following illustrations identify the components that
are referred to throughout this section.
MY0101
EXTEND/RETRACT
CYLINDER
(UNDERSIDE OF BOOM)
AUXILIARY
HYDRAULIC
CONNECTIONS
SECOND BOOM
SECTION
THIRD
BOOM
SECTION
FOURTH BOOM
SECTION
RETRACT
CHAINS
EXTEND
CHAINS
QUICK SWITCH
FIRST
BOOM
SECTION
HOSE
SHEAVE
TILT CYLINDER
HOSE CARRIER
ASSEMBLY
(INSIDE BOOM)
PIVOT PIN