Manitowoc Grove GRT8100 Service Manual

2-49
GROVE
GRT8100 SERVICE MANUAL HYDRAULIC SYSTEM
2
Published 3/26/2018, Control # 596-05
COMPACT MANIFOLD VALVE
Description
The compact manifold valve (Figure 2-24 and Figure 2-25) is
located on the superstructure side plate (Figure 2-18). The
manifold valve includes directional valves for actuating the
left and right counterweight removal cylinders and the
counterweight pin cylinder. The manifold valve includes a
directional control valve for the cab tilt function. The pressure
inlet of the manifold includes a pressure reducing valve set at
179.26 bar (2600 psi) which protects all four functions.
Maintenance
Compact 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.
Compact Manifold Valve Installation
1. Install the valve to the turntable and secure with the
capscrews and nuts. Torque capscrews. Refer to
Fasteners and Torque Values, page 1-15 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 all functions controlled by the manifold valve.
Check for smooth operation of cylinders and motors.
3. Check the manifold valve and lines for leakage. Make
repairs as needed.

Manitowoc Grove GRT8100 Specifications

General

Brand	Manitowoc
Model	Grove GRT8100
Category	Construction Equipment
Language	English