OPERATING CONTROLS AND PROCEDURES RT9150E OPERATOR MANUAL
3-50
Published 2-23-2017, Control # 644-00
3
Lifting cylinders
position
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
4
Swing gear
direction indicators
The swing gear direction indicators
show which direction the
superstructure needs to rotate to get to
0° or 180°. Either the left indicator (1)
or right indicator (2) will display, both
display when at 0°.
5
Swing gear on/off
indicator
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.
6
Current swing angle
display
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.
Item Description Graphic Explanation
Reference Only
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