88 JT920/JT920L - OPERATION
OPERATE THRUST/ROTATION CONTROL
88 JT920/JT920L - OPERATION
OPERATE THRUST/ROTATION CONTROL
OPERATE THRUST/ROTATION CONTROL
The thrust/rotation control has eight
positions which allow the four basic
functions to be combined. The
chart below summarizes functions
that occur when control is put at a
combined position. Operator must
be in seat for control to function.
Moves carriage forward
Rotates pipe clockwise (makeup)
Moves carriage forward
Rotates pipe counterclockwise (breakout)
Moves carriage backward
Rotates pipe counterclockwise (breakout)
Moves carriage backward
Rotates pipe clockwise (makeup)
OPERATE THRUST/ROTATION CONTROL
The thrust/rotation control has eight
positions which allow the four basic
functions to be combined. The
chart below summarizes functions
that occur when control is put at a
combined position. Operator must
be in seat for control to function.
Moves carriage forward
Rotates pipe clockwise (makeup)
Moves carriage forward
Rotates pipe counterclockwise (breakout)
Moves carriage backward
Rotates pipe counterclockwise (breakout)
Moves carriage backward
Rotates pipe clockwise (makeup)
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