Manitowoc Grove RT9150E Operator's Manual page 124

OPERATING CONTROLS AND PROCEDURES
Item Description
Lifting cylinders
3
position
Swing gear
4
direction indicators
Swing gear on/off
5
indicator
Current swing angle
6
display
3-50
Graphic
1
Published 2-23-2017, Control # 644-00
RT9150E OPERATOR MANUAL
Explanation
The current status of the counterweight
lifting cylinders is shown by different
symbols:
(1) Green: extended
(2) Green: retracted
(3) Yellow: intermediate position
(4) Violet: error
The swing gear direction indicators
show which direction the
superstructure needs to rotate to get to
0° or 180°. Either the left indicator (1)
2
or right indicator (2) will display, both
display when at 0°.
Swing gear must be off to operate the
counterweight cylinders.
Red: Swing gear switched off,
counterweight cylinders can be
operated
Green: Swing gear switched on,
counterweight cylinders locked.
Indicates, in degrees, the position of
the superstructure:
0°: Directly over-front
180°: Directly over-rear
+0.1 to +180.0°: Turned to the right
from 0°
–0.1 to –179.9°: Turned to the left
from 0°
To install or remove the counterweight
the boom must be at 180°, the
turntable lock engaged and the
counterweight stand installed.