Manitowoc Grove GRT9165 Service Manual

2-33
GROVE
GRT9165 SERVICE MANUAL HYDRAULIC SYSTEM
2
Published 10-01-2020 Control # 699-00
Main Directional Control Valve
The main directional control valve (Figure 2-14) is located on
the right side of the superstructure (1, Figure 2-13). The
main directional valve controls the lift, telescope, and main
and auxiliary hoist functions. The valve solenoids are
controlled electronically through the crane control system
and CANBus system when the controllers in the cab are
actuated. The main DCV is installed and removed as an
assembly.
Main Directional Control Manifold Valve Removal
1. Tag and disconnect the hydraulic lines from the valve.
Cap or plug the lines and ports.
2. Tag and disconnect electrical connectors from the valve.
3. Remove the capscrews, flatwashers, and lockwashers
securing the valve. Remove the valve.
Main Directional Control Manifold Valve Installation
1. Install the valve on the turntable upright and secure with
the capscrews, flatwashers, and lockwashers. Torque
capscrews. Refer to Fasteners and Torque Values, page
1-16 for proper torque value.
2. Connect the electrical connectors to the valve as tagged
during removal.
3. Connect the hydraulic lines to the valves as tagged
during removal.
Functional Check
1. Start the engine and run it at normal speed.
2. Operate the joysticks of the valve bank(s). Check for
smooth operation of cylinders and motors.
3. Check the valve bank(s) and lines for leakage. Make
repairs as needed.

Manitowoc Grove GRT9165 Specifications

General

Brand	Manitowoc
Model	Grove GRT9165
Category	Construction Equipment
Language	English