DIGGER DERRICK
1-64
463280 - 9/14 Terex South Dakota, Inc. Digger Derrick
OPERATION GUIDELINES
TOP CONTROLS FUNCTIONS
The controls shown are generic. The actual location varies depending on purchasers requirements and
options. Some of the following control functions may not be included in the controls.
ITEM CONTROL LABEL DESCRIPTION
1. Engine Stop/
Start (optional)
Push the air cylinder once to start the vehicle engine.
Push the air cylinder again to stop the vehicle engine.
Can also be used to stop the vehicle engine in an emergency.
2. Two-Speed
Throttle
(optional)
Push the air cylinder once to increase engine speed.
Push the air cylinder again to return the engine to idle RPM.
3. Rotation Push lever to rotate boom counterclockwise “CCW”.
Booms rotate 360 degrees continuously in either direction.
Pull lever to rotate boom clockwise “CW”.
4. Lift Push lever to lower “DOWN” boom sections.
Pull lever to raise “UP” boom sections.
5. Intermediate
Section “2nd”
(Non-Insulated
Units)
Push lever to extend “OUT”.
Pull lever to retract “IN”.
ENGINE
STOP/START
PUSH
444253
2-SPEED
THROTTLE
PUSH
444254
4
4
3
0
8
9
2ND
IN
OUT
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