Grove Published 7-23-2020, Control # 668-02 4-79
GRT9165 OPERATOR MANUAL OPERATING PROCEDURES
Low Service Brake
Pressure Alert
Indicates the hydraulic pressure in the service brake system is below normal
operating requirements. When the indicator comes on (red), the warning
buzzer will sound.
Do not drive crane until brake pressure malfunction is corrected.
Steering Reversed Alert
Indicates the driving controls, to include the steering wheel, turn signal lever
control, transmission shift lever control, and the rear steer switch, are
reversed for driving the crane with the boom over the rear (tandem axles) of
the crane.
Refer to Steering Reversal Switch, page 3-14.
Suspension Oscillation
Allowed Alert
Indicates the suspension can oscillate from side-to-side.
Swing Angle Not In
Expected Range Alert
Indicates the steering reversal is enabled but the swing angle is not within 2°
of -180°.
Unexpected Rigging
Code Alert
Indicates one of the following conditions exist:
- Transmission is shifted to forward or reverse gear, or the parking
brake is released, but the RCL is programmed with the load chart
code number 9810 (Stationary On Rubber, 360°, No
Counterweight).
- Steering controls are reversed, but the RCL is not
programmed with
an Over-the-Rear load chart code number.
Swing Caution Alert
Indicates the counterweight cylinders are not fully raised, thus the crane
control system has reduced the speed of the swing function.
Low DEF Level Alert Indicates the DEF level is low.
Name Symbol Description
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