JLG 4017PS Service Manual - Manual (Page 41)

3-3 3706PS, 3707PS, 4014PS, 4017PS, 33.7, 37.6, 37.7
Boom
3.1 BOOM SYSTEM COMPONENT
TERMINOLOGY - 3706PS, 3707PS,
33.7, 36.6 & 37.7
To understand the safety, operation and maintenance
information presented in this section, it is necessary that
the operator/mechanic be familiar with the names and
locations of the major assemblies of the boom system.
The following illustration identifies the components that
are referred to throughout this section.
MAM0600
SECOND
BOOM
SECTION
FIRST
BOOM
SECTION
PIVOT PIN
EXTEND/RETRACT
CYLINDER
AUXILIARY HYDRAULIC
CONNECTIONS
TILT
CYLINDER
QUICK
COUPLER
QUICK COUPLER
LINK ASSEMBLY