Manitowoc Grove RT770E Service Maintenance Manual

2-49
GROVE
RT770E HYDRAULIC SYSTEM
2
Published 11/26/2014, Control # 447-05
OUTRIGGER CONTROL MANIFOLD
Description
There are two outrigger control manifolds Figure 2-27
utilized on the crane, one for the front outriggers and one for
the rear outriggers. Each manifold consists of four normally
closed two position two way solenoid valve assemblies, one
for each cylinder. They are mounted inside the frame on their
respective outrigger box. Each solenoid valve contains a
manual override actuator which allows the valve to be
opened if there is a loss of electrical power.
FIGURE 2-27
6544-2
6544-1
2
7
2
3
3
4
5
1
1
4
6
5
7
8
9
6
8
9
Item Description
1
Solenoid Valve (Left Front or Left Rear
Extension Cylinder)
2
Solenoid Valve (Left Front or Left Rear Jack
Cylinder)
3
Solenoid Valve (Right Front of Right Rear Jack
Cylinder)
4
Solenoid Valve (Right Front or Right Rear
Extension Cylinder)
5
Inlet Port (From Port B of Outrigger Selector
Valve)
Item Description
6
Outlet Port (Left Front or Left Rear Extension
Cylinder)
7
Outlet Port (Left Front or Left Rear Jack
Cylinder)
8
Outlet Port (Right Front or Right Rear Jack
Cylinder)
9
Outlet Port (Right Front or Right Rear Extension
Cylinder)

Manitowoc Grove RT770E Specifications

General

Brand	Manitowoc
Model	Grove RT770E
Category	Construction Equipment
Language	English