Valves; General - Manitowoc Grove RT9130E-2 Service And Maintenance Manual

RT9130E-2 SERVICE MANUAL

VALVES

General

This subsection provides descriptive information for
hydraulic valves used on this crane. For a listing of valves,
the circuit they are used in, and their physical location, refer
Table 2-4
Valve Usage Table
Valve Name
Directional Control Valves
Swing Series Parallel Selector Valve
Pressure Reducing Sequence Valve
with Solenoid Controls Manifold
Steering Control Unit
Hydraulic Remote Controllers
(HRC)
Swing Power Brake Valve
Double PO Check Valve
Tandem Brake Valve with Treadle
Dual Accumulator Charging Valve
Accumulator(s)
Accumulator
Holding Valves
Shuttle Valve
Grove
to Table 2-4. Refer to Figure 2-17 for location of valves
installed on the superstructure and carrier frame.
The description of each valve given here is for the valve
itself. For information on how each valve functions in the
individual circuits, refer to the description and operation
procedures of that circuit.
Circuit Used In
Boom Lift/Telescope(s)/Hoist(s)
Front Steer Pressure/Swing
Counterweight Removal/Cab Tilt
Swing
HRC Pilot Pressure
Swing Brake Release
Hose Reel Motor
Hose Reel Brake
Front Axle Steer
Boom Lift
Telescope (Floor)
Main Hoist
Auxiliary Hoist
Swing
Swing
Cab Tilt
Service Brakes
Service Brakes
Service Brake
Main Crane Function Load Sense
Boom Lift
Telescope (3)
Counterweight Removal (4)
Telescope
Published 11-22-2016, Control # 345-12
HYDRAULIC SYSTEM
Physical Location
Superstructure (Right Side)
Superstructure (Right Side)
Between Superstructure Side Plates
Superstructure Right Side
Superstructure Right Side
Cab Steering Column
Cab Seat Arm Rests (2)
Cab Floor
Superstructure Left Side
Cab Floor
Superstructure inside Left Side Plate
Superstructure Left Side
Superstructure Right Side
Lift Cylinder (Bolt on Manifold)
Cylinder Port Blocks (Cartridge style)
Cylinder Port Blocks (Cartridge style)
Superstructure Right Side
2
2-31