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Introduction
2-1
s
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trol valves. Three hydraulic cylinders elevate the lower boom, upper boom, and jib
GENERAL DESCRIPTION
The XLB-4319 Hydraulic Boom Lift (Figure 2-1) is designed to position personnel with
their tools and equipment at overhead work locations. The work basket load capacity i
450 lbs. During all boom operations, the unit is supported by four extended outriggers.
Two versions of the XLB-4319 boom lift are available – gasoline powered or battery
powered. On both versions the hydraulic power unit includes a reservoir, pump, and con
boom. A hydraulic motor and worm gear rotates the boom 360° around a vertical axis.
XLB-4319
OUTRIGGER
UPPER
BOOM
JIB
BOOM
WORK
BASKET
LOWER
BOOM
Figure 2-1. XLB-4319 Hydraulic Boom Lift