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Manitowoc Grove RT9130E-2 Service And Maintenance Manual

Manitowoc Grove RT9130E-2
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Grove Published 11-22-2016, Control # 345-12 2-1
RT9130E-2 SERVICE MANUAL HYDRAULIC SYSTEM
2
SECTION 2
HYDRAULIC SYSTEM
SECTION CONTENTS
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Hydraulic Oil Recommendations. . . . . . . . . . . . . . 2-2
Draining and Flushing. . . . . . . . . . . . . . . . . . . . . . 2-5
Removing Air from the Hydraulic System . . . . . . . 2-6
Parts Replacement . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Directional Control Valves. . . . . . . . . . . . . . . . . . . 2-6
Supply Pressure And Return Circuit . . . . . . . . . . 2-8
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Pump Distribution . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Filter Maintenance . . . . . . . . . . . . . . . . . . . . . . . 2-12
Oil Cooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Hydraulic Pumps . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Pressure Setting Procedures . . . . . . . . . . . . . . . 2-21
Procedure A - For Setting Main Directional
Control Valve Relief Pressures. . . . . . . . . . . . . . 2-22
Procedure B - For Checking Pressure
Reducing/Sequence Valve Setting . . . . . . . . . . . 2-24
Procedure C - For Checking Swing Brake
Supply Pressure . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Procedure D - For Checking Service Brake
and Air Conditioning Circuit Relief Valve
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Procedure E - For Checking Service Brake
Dual Accumulator Charge Valve Pressure Limits 2-25
Procedure F - For Checking Accumulator
Pre-Charge Pressure . . . . . . . . . . . . . . . . . . . . . 2-26
Procedure G - For Pre-Charging Accumulator . . 2-26
Procedure H - For Checking Front Steer
Relief Valve Pressure . . . . . . . . . . . . . . . . . . . . . 2-26
Procedure I - For Checking Swing Valve
Work Port Relief Pressure . . . . . . . . . . . . . . . . . 2-27
Procedure J - For Checking Relief Setting for
Counterweight Supply Control Valve . . . . . . . . . 2-27
Procedure K - For Checking Outrigger/Rear
Steer Relief Valve Pressure . . . . . . . . . . . . . . . . 2-29
Procedure L - For Checking/Setting the
Make-up Oil Manifold (Thermal Contraction) . . . 2-29
Procedure M - For Checking Charge Air
Cooler Circuit Relief Valve Pressure (Tier 3 Only) . 2-
30
Checking Charge Air Cooler (CAC) Motor Control
Valve – Tier 3 Only . . . . . . . . . . . . . . . . . . . . . . . 2-30
Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Directional Control Valves . . . . . . . . . . . . . . . . . . 2-34
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Swing Series Parallel Selector Valve. . . . . . . . . . 2-39
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-39
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-39
Pressure Reducing Sequence Valve With
Solenoid Controls Manifold . . . . . . . . . . . . . . . . . 2-40
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40
Swing Brake Release Valve-Function Check . . . 2-40
Crane Function Valve-Function Check . . . . . . . . 2-40
Steering Control Valve-Dual Displacement. . . . . 2-42
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42
Dual Motor control Valve . . . . . . . . . . . . . . . . . . . 2-43
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-43
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-43
Hydraulic Remote Control Valve . . . . . . . . . . . . . 2-44
Single Axis Control Valves. . . . . . . . . . . . . . . . . . 2-44
Dual Axis Control Valves (Optional) . . . . . . . . . . 2-44
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-44
Swing Power Brake Valve. . . . . . . . . . . . . . . . . . . 2-46
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-46
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-46
Double Pilot Operated Check Valve. . . . . . . . . . . 2-47
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47
Tandem Brake Valve w/ Treadle Pedal . . . . . . . . 2-48
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-48
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-48
Dual Accumulator Charge Valve . . . . . . . . . . . . . 2-49
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-49
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-49
Service Brake Hydraulic Accumulator . . . . . . . . 2-50
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-50
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-50
Load Sense Hydraulic Accumulator . . . . . . . . . . 2-50
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-50
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-50

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Manitowoc Grove RT9130E-2 Specifications

General IconGeneral
BrandManitowoc
ModelGrove RT9130E-2
CategoryConstruction Equipment
LanguageEnglish

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