Grove Published 11-22-2016, Control # 345-12 5-19
RT9130E-2 SERVICE MANUAL HOIST AND COUNTERWEIGHT
Hoist Rotation Indicator (HRI) Display
System
The HRI Display consists of an LED display that indicates
the direction the hoist(s) are rotating, pressure switches that
monitor hydraulic pilot pressure, and a control module
mounted in the cab.
Pressure Switches
The pressure switches are located on the main control valve
(Figure 5-8). The switch contacts close at 75 psi (5.17 bar).
Single Axis
Controller
Control Lever
Handle
Button
Thumb Thumper
Rotation Indicator
Soleniod12±2 Ohms
Sensor
To Superstructure
Harness
FIGURE 5-7
To Next Page
Loading...
