Operator’s 履带起重机操作手册 Manual for Crawler Crane
Ser. No.
7
8
Signal
Rotate
Lower load slowly
Description
Turn left: With right
Turn right: With left
forearm vertical, the palm
forearm vertical, the palm
With arm extended
of the hand facing
of the hand facing
downwards with a 30°
outwards, lower the
outwards, lower the
angle to the body，palm of
forearm sideways
forearm sideways
the hand facing
horizontally, fingers
horizontally, fingers
downwards, wave hand
pointing at the direction of
pointing at the direction of
down repeatedly.
rotation.
rotation.
Safety Guidelines
Illustration
安 全 准 则
Ser. No.
9
Signal
Indicate load lowering
Rotate slowly Turn
Description
10
left:
With
right
Turn
position
right:
With
left
forearm vertical, the palm
forearm vertical, the palm
of
of
the
hand
facing
the
hand
facing
outwards, move forearm
outwards, move forearm
horizontally
and
horizontally
and
repeatedly,
fingers
repeatedly,
fingers
pointing at the direction of
pointing at the direction of
rotation.
rotation.
Extend the fingers to point at the position where the load should fall on.
Illustration
3-54
ZCC1100H Crawler Crane
