Grove Published 11-22-2016, Control # 345-12 2-31
RT9130E-2 SERVICE MANUAL HYDRAULIC SYSTEM
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
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.
Table 2-4
Valve Usage Table
Valve Name Circuit Used In Physical Location
Directional Control Valves
Boom Lift/Telescope(s)/Hoist(s)
Front Steer Pressure/Swing
Counterweight Removal/Cab Tilt
Superstructure (Right Side)
Superstructure (Right Side)
Between Superstructure Side Plates
Swing Series Parallel Selector Valve Swing Superstructure Right Side
Pressure Reducing Sequence Valve
with Solenoid Controls Manifold
HRC Pilot Pressure
Swing Brake Release
Hose Reel Motor
Hose Reel Brake
Superstructure Right Side
Steering Control Unit Front Axle Steer Cab Steering Column
Hydraulic Remote Controllers
(HRC)
Boom Lift
Telescope (Floor)
Main Hoist
Auxiliary Hoist
Swing
Cab Seat Arm Rests (2)
Swing Power Brake Valve Swing Cab Floor
Double PO Check Valve Cab Tilt Superstructure Left Side
Tandem Brake Valve with Treadle Service Brakes Cab Floor
Dual Accumulator Charging Valve Service Brakes Superstructure inside Left Side Plate
Accumulator(s) Service Brake Superstructure Left Side
Accumulator Main Crane Function Load Sense Superstructure Right Side
Holding Valves
Boom Lift
Telescope (3)
Counterweight Removal (4)
Lift Cylinder (Bolt on Manifold)
Cylinder Port Blocks (Cartridge style)
Cylinder Port Blocks (Cartridge style)
Shuttle Valve Telescope Superstructure Right Side
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