SWING
With either arm extended horizontally, point with forefinger
to direction of swing rotation.
DIPPER ARM INWARD
With both hands clenched,
point thumbs inward.
DIPPER ARM OUTWARD
With both hands clenched,
point thumbs outward.
CLOSE BUCKET
Hold one hand closed and
stationary. Rotate other
hand in small vertical circle
with forefinger pointing
horizontally at closed hand.
OPEN BUCKET
Hold one hand open and
stationary. Rotate other
hand in small vertical circle
with forefinger pointing
horizontally at open hand.
TURNTHIS FAR TO GO
Raise forearm with closed fist indicating inside of turn.
Move other fist in vertical circle indicating direction of track
or wheel rotation.
THIS FAR TO GO
With hands raised and open
inward, move hands
laterally, indicating distance
to go.
COUNTER ROTATE
Place hand on head indicating side or reverse track or
wheel rotation. Move other hand in vertical circle indicating
forward rotation of other track or wheel.
MOVE SLOWLY
Place one hand motionless
in front of hand giving motion
signal. Raise load slowly is
shown.
Operating techniques
Signalling diagram
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