Outrigger Control Manifold; Description; Maintenance - Manitowoc Grove RT530E-2 Service And Maintenance Manual

RT530E-2 SERVICE MANUAL

OUTRIGGER CONTROL MANIFOLD

Description

There are two outrigger control manifolds utilized on the
crane, one for the front outriggers and one for the rear
outriggers. The manifold consists of four normally closed two
position two way solenoid valves (Figure 2-22). They are
mounted inside the frame of their respective outrigger box.
When energized, the solenoid shifts the spool to open
allowing extension or retraction of the outrigger cylinders.

Maintenance

Removal
1. Tag and disconnect the hydraulic lines to the solenoid
valves; cap all lines and openings.
2. Tag and disconnect the electrical connectors.
3. Remove the capscrews, nuts, lockwashers
flatwashers securing the manifold to the outrigger box;
remove the manifold.
5
1
2
9
Item
1 Solenoid Valve - Left Front or Rear Extension Cyl
2 Solenoid Valve - Left Front or Rear Jack Cyl
3 Solenoid Valve Right Front or Rear Jack Cyl
4 Solenoid Valve Right Front or Rear Extension Cyl
5 Outlet Port - Left Front or Rear Extension Cyl
GROVE
6
7 8
6544-2
4
3

Description

Published 4-22-15, Control # 556-00
Inspection
Visually inspect the valves and hydraulic connections for any
evidence of leaks or other damage. Check security of the
electrical connections. Inspect the wiring for any evidence of
cracks or breaks.
Installation
1. Position the manifold on the mounting and secure with
the lockwashers, flatwashers, nuts and capscrews.
Torque capscrews see Fasteners and Torque Values (pg
1- 12).
2. Connect the electrical connectors to the solenoids as
marked during removal.
3. Connect the hydraulic lines to the valves as marked
during removal.
Functional Check
and
Activate the hydraulic system and cycle the affected
cylinder(s) several times. Observe for proper functioning of
the affected cylinder(s). Ensure the solenoid valve hydraulic
connections are secure.
1
9
Item
6 Outlet Port Left Front or Rear Jack Cyl
7 Outlet Port Right Front or Rear Jack Cyl
8 Outlet Port Right Front or Rear Extension Cyl
In Port (Far Side) - From Port B of Outrigger
9
Selector Valve
HYDRAULIC SYSTEM
4
3
2
8
7
6
5
6544-1
FIGURE 2-22
Description
2
2-43