Boom system component terminology – Lull 944E-42 Service Manual User Manual

Page 50

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Boom

3.2

Model 644E-42/944E-42

Rev. 6/04

3.1

BOOM SYSTEM COMPONENT
TERMINOLOGY

To understand the safety, operation and maintenance
information presented in this section, it is necessary that

the operator/mechanic be familiar with the name and
location of the major assemblies of the boom system. The
following illustration identifies the components that are
referred to throughout this section.

MU0160

Quick Attach

Attachment
Tilt Cylinder

Inner
Boom

Outer
Boom

Extend/Retract
Cylinder

Intermediate
Boom

Wear Pad

Boom
Pivot Pin

Attachment
Tilt Hydraulic
Tubes

Boom
Extend
Chain

Boom
Retract
Chain

Slave Cylinders

Boom
Proximity
Sensor

Auxiliary
Hydraulic
Couplers

Boom
Angle
Indicator

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