JLG 4017RS Operator Manual - Manual (Page 64)

Section 3 - Controls and Indicators
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3.6 BOOM INDICATORS
Boom Extension
• The boom extension indicators (1) are located on the left side of the boom. Use these
indicators to determine boom extension when using the capacity chart (see “Use of
the Capacity Chart” on page 5-5).
OAM3750
1
A B