Terex Digger Derrick User Manual

DIGGER DERRICK
1-65
Digger Derrick Terex South Dakota, Inc. 463280 - 9/14
OPERATION GUIDELINES
NOTE: *Sequenced HYDRAULIC THIRD SECTION: Only one valve section is provided at the
upper controls which controls the extension and retraction of both the second section
and fiberglass third section. The third section always extends first and then the second
section, and the second section retracts first and then the third section, providing
maximum insulation length at all times.
6. Outer Boom
“3rd”
(Non-Insulated
Units)
Push lever to extend “OUT”.
Pull lever to retract “IN”.
7. * Sequenced
Second and
Third Sections
(Insulated Units)
Push lever to extend “OUT”. Third section always extends first
and then the second section.
Pull lever to retract “IN”. Second section always retracts first
and then the third section.
8. Winch Push lever to lower “DOWN” load.
Pull lever to raise “UP” load.
9. Hydraulic Tools
(optional)
Pull lever to engage tool circuit.
Lever must be centered to operate boom functions.
10. Upper Control
Stop
Push lever to disable all boom functions.
Lever must be centered to operate boom functions.
4
4
3
0
8
8
3RD
IN
OUT
4
4
4
4
3
9
EXT
IN
OUT
4
4
3
0
8
6
WIN
UP
DN
DUMP
DUMP
4
4
6
8
6
3

Terex Digger Derrick Specifications

General

Brand	Terex
Model	Digger Derrick
Category	Trucks
Language	English