TRAVEL
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.
MOVE SLOWLY
Place one hand motionless
in front of hand giving motion
signal. Raise load slowly is
shown.
STOP
With either arm extended
laterally, hand open
downward, move arm back
and forth.
EMERGENCY STOP
With both arms extended
laterally, hands open
downward, wave arms back
and forth.
STOP ENGINE
Draw thumb or forefinger
across throat.
RETRACT TELESCOPIC
DIPPER ARM
With either arm outstretched
horizontally in front of body,
close fingers and point
thumb in direction of
required movement.
EXTEND TELESCOPIC
DIPPER ARM
With either arm outstretched
horizontally in front of body,
close fingers and point
thumb in direction of
required movement.
134
Operating techniques
Signalling diagram