Digger Derrick Op. Controls Sitting EEC-0172 V1.0
Operating Controls-Digger
Derrick
NOTE: If not equipped with optional continuous rotation, the crane has a 372 degree
swing rotation in both directions. A mechanical stop will push the swing lever to
neutral when the boom rotates beyond the centerline of the cab over the front.
B. Digger Control
Push forward -“DIG” position – Turns the digger’s flighting clockwise
Pull back - “REVERSE” position – Turns the digger’s flighting counterclockwise.
Use to reverse or to clear dirt from the flighting
NOTE: Due to wear pad friction, some loads on the chart cannot be telescoped.
However, it is safe to attempt to telescope all loads within the chart limits.
C. Glide Swing Brake
The brake pedal activates the swing drive brake. If the Glide Swing Switch (T)
is in the “ON” position, the swing system will not have any brakes until the pedal
is applied. To stop rotation, apply pressure to the pedal
D. Boom Telescope Pedal
Push forward with toes-Boom sections extend
Push down with heel-Boom sections retract
E. Boom Control Lever
Push forward - “DOWN” position – Lowers boom
Pull back - “UP” position – Raises boom
F. Winch Control Lever
Push forward -“DOWN” position – Winch pays out cable lowers load.
Pull back - “UP” position – Winch winds up cable, raises load.
NOTE-Optional Winch Drum Rotation Indicator Thumper is located in top of joystick
handle on units equipped with winch drum rotation indicator. Thumper pulsates with
rotation of winch drum.
1. Winch Burst of Speed Switch: Depress button to start high speed winch
operation.
CAUTION: Only operate Burst-of Speed with unloaded loadline. Operating high
speed with load on loadline may damage pump and PTO.
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