Wacker Neuson RT56-SC Trench Roller Index:

1. Safety Information 5
1.1 Laws Pertaining to Spark Arresters 5
1.2 Operating Safety 6
1.3 Operator Safety while using Internal Combustion Engines 8
1.4 Service Safety 8
1.5 Label Locations 10
1.6 Warning and Informational Labels 11
2. Technical Data 15
2.1 Engine 15
2.2 Roller 16
2.3 Lubrication 17
2.4 Sound and Vibration Measurements 18
2.5 Dimensions 18
3. Operation 19
3.1 Information Regarding Operation 19
3.2 Operation and Service Locations 20
3.3 Control Panel 24
3.4 SmartControl™ Transmitter 26
3.5 Infra-red System and Control Channels 30
3.6 Before Starting 32
3.7 Starting 33
3.8 Stopping 34
3.9 Operation 35
4. Maintenance 36
4.1 Transporting Machine 36
4.2 Lifting Machine 36
4.3 Job Site Storage 37
4.4 Storage 38
4.5 New Machines 38
4.6 Periodic Maintenance Schedules 39
4.7 Hydraulic Oil Requirements 40
4.8 Hydraulic Oil Level 40
4.9 Changing Hydraulic Oil & Filter 41
4.10 Articulated Joint, Steering Cylinder, and Hood Hinges 42
4.11 Cleaning SmartControl™ Transmitter 42
4.12 Drive Gearcase 43
4.13 Exciter Lubrication 44
4.14 Scrapers 45
4.15 Shockmounts 45
4.16 Changing Drums 46
4.17 Battery 47
4.18 Engine Oil System 48
4.19 Engine Oil and Filter 49
4.20 Air Cleaner 50
4.21 Engine Fuel Delivery System Maintenance 51
4.22 Fuel Filter 51
4.23 Priming the Fuel System 52
4.24 Engine Coolant 52
4.25 Valve Clearances 53
4.26 Adjusting Engine Fan Belt 54
4.27 Wiring Schematic 56
4.28 Basic Troubleshooting 58
5. Engine Starting Troubleshooting 60
5.1 Component Locations 60
5.2 Troubleshooting Flowcharts 61
5.3 Engine Does Not Crank—Flowchart 1A 62
5.4 Checking 20A Fuse 64
5.5 Checking Starter Circuit at Trailer Plug 64
5.6 Checking Receiving Eyes 65
5.7 Replacing Receiving Eye/Light Ring 66
5.8 Checking Power to Starter Solenoid 68
5.9 Replacing Keyswitch 70
5.10 Checking NiCad Battery Charge 71
5.11 Engine Cranks But Does Not Start—Flowchart 2A 72
5.12 Checking Fuel Line at Fuel Rail Inlet 74
5.13 Checking 50A Circuit Breaker 74
5.14 Checking Power to Glow Plugs 75
5.15 Checking Glow Plugs 75
5.16 Checking Relay Wiring 76
5.17 Confirming a Malfunctioning Relay 77
5.18 Testing ECM 78
5.19 Checking Fuel Solenoid 79
5.20 Replacing Battery 80
5.21 Replacing Trailer Plug 81
6. Hydraulic System 83
6.1 Hydraulic Manifold 84
6.2 Hydraulic Valves 85
6.3 Hydraulic System Pressures 85
6.4 Hydraulic Schematics 86
6.5 Hydraulic Diagram 90
6.6 Hydraulic Diagram Components 91
6.7 Exciter Circuit 92
6.8 Drive and Brake Circuit 96
6.9 High-Speed Drive and Brake Circuit 100
6.10 Steering Circuit 102
7. Hydraulic Troubleshooting 105
7.1 No Vibration—Flowchart 3A 105
7.2 Checking Power to, and Operation of, Decoder Module 106
7.3 Replacing Decoder Module 108
7.4 Checking Solenoid Lead 110
7.5 Checking Solenoids 110
7.6 Replacing Solenoid 111
7.7 Checking Pressure at Gauge Port 1 (G-P1) 112
7.8 Checking Function of Exciter Motors 113
7.9 No Steering Troubleshooting—Flowchart 4A 114
7.10 No Travel Troubleshooting—Flowchart 5A 115
7.11 Checking Pressure at Gauge Port 2 (G-P2) 116
7.12 Checking Function of Brake 116
7.13 Checking Function of Drive Motors 117
7.14 No High Speed Travel Troubleshooting—Flowchart 6A 118
8. Disassembly/Reassembly Procedures 119
8.1 Tools 119
8.2 Ordering Parts 119
8.3 Reference Numbers ( ) 119
8.4 Weight Block 119
8.5 Articulated Joint 120
8.6 Drum Support Exploded View 122
8.7 Drum Support Components 123
8.8 Identifying Drum Supports 124
8.9 Removing Drums 125
8.10 Installing Drums 126
8.11 Opening Drum 126
8.12 Closing Drum 127
8.13 Disassembling Drive Hub 128
8.14 Reassembling Drive Hub 130
8.15 Disassembling Slave Hub 132
8.16 Reassembling Slave Hub 134
8.17 Rebuilding Brake 136
8.18 Exciter Exploded View 138
8.19 Exciter Parts List 139
8.20 Disassembling Exciter 140
8.21 Reassembling Exciter 142
8.22 Removing Drum Support 144
8.23 Installing Drum Support 146
8.24 Replacing Steering Cylinder 148
8.25 Replacing Valve Block 150
8.26 Replacing Fuel Tank 152
8.27 Replacing Hydraulic Tank 154
8.28 Replacing Hydraulic Pumps 156
8.29 Replacing Hydraulic Oil Cooler 158
8.30 Replacing Radiator and Shroud 160
8.31 Replacing Engine 164
8.32 Engine Alternator 168
9. Rebuilding Control Box 170
9.1 Removing/Rebuilding Joysticks 170
9.2 Removing and Installing Circuit Boards 172
9.3 Removing & Testing Control Button Circuit Board 174
1. Safety Information
1.1 Laws Pertaining to Spark Arresters
1.2 Operating Safety
1.3 Operator Safety while using Internal Combustion Engines
1.4 Service Safety
1.5 Label Locations
1.6 Warning and Informational Labels
2. Technical Data
2.1 Engine
2.2 Roller
2.3 Lubrication
2.4 Sound and Vibration Measurements
2.5 Dimensions
3. Operation
3.1 Information Regarding Operation
3.2 Operation and Service Locations
3.3 Control Panel
3.4 SmartControl™ Transmitter
3.5 Infra-red System and Control Channels
3.6 Before Starting
3.7 Starting
3.8 Stopping
3.9 Operation
4. Maintenance
4.1 Transporting Machine
4.2 Lifting Machine
4.3 Job Site Storage
4.4 Storage
4.5 New Machines
4.6 Periodic Maintenance Schedules
4.7 Hydraulic Oil Requirements
4.8 Hydraulic Oil Level
4.9 Changing Hydraulic Oil & Filter
4.10 Articulated Joint, Steering Cylinder, and Hood Hinges
4.11 Cleaning SmartControl™ Transmitter
4.12 Drive Gearcase
4.13 Exciter Lubrication
4.14 Scrapers
4.15 Shockmounts
4.16 Changing Drums
4.17 Battery
4.18 Engine Oil System
4.19 Engine Oil and Filter
4.20 Air Cleaner
4.21 Engine Fuel Delivery System Maintenance
4.22 Fuel Filter
4.23 Priming the Fuel System
4.24 Engine Coolant
4.25 Valve Clearances
4.26 Adjusting Engine Fan Belt
4.27 Wiring Schematic
4.28 Basic Troubleshooting
5. Engine Starting Troubleshooting
5.1 Component Locations
5.2 Troubleshooting Flowcharts
5.3 Engine Does Not Crank—Flowchart 1A
5.4 Checking 20A Fuse
5.5 Checking Starter Circuit at Trailer Plug
5.6 Checking Receiving Eyes
5.7 Replacing Receiving Eye/Light Ring
5.8 Checking Power to Starter Solenoid
5.9 Replacing Keyswitch
5.10 Checking NiCad Battery Charge
5.11 Engine Cranks But Does Not Start—Flowchart 2A
5.12 Checking Fuel Line at Fuel Rail Inlet
5.13 Checking 50A Circuit Breaker
5.14 Checking Power to Glow Plugs
5.15 Checking Glow Plugs
5.16 Checking Relay Wiring
5.17 Confirming a Malfunctioning Relay
5.18 Testing ECM
5.19 Checking Fuel Solenoid
5.20 Replacing Battery
5.21 Replacing Trailer Plug
6. Hydraulic System
6.1 Hydraulic Manifold
6.2 Hydraulic Valves
6.3 Hydraulic System Pressures
6.4 Hydraulic Schematics
6.5 Hydraulic Diagram
6.6 Hydraulic Diagram Components
6.7 Exciter Circuit
6.8 Drive and Brake Circuit
6.9 High-Speed Drive and Brake Circuit
6.10 Steering Circuit
7. Hydraulic Troubleshooting
7.1 No Vibration—Flowchart 3A
7.2 Checking Power to, and Operation of, Decoder Module
7.3 Replacing Decoder Module
7.4 Checking Solenoid Lead
7.5 Checking Solenoids
7.6 Replacing Solenoid
7.7 Checking Pressure at Gauge Port 1 (G-P1)
7.8 Checking Function of Exciter Motors
7.9 No Steering Troubleshooting—Flowchart 4A
7.10 No Travel Troubleshooting—Flowchart 5A
7.11 Checking Pressure at Gauge Port 2 (G-P2)
7.12 Checking Function of Brake
7.13 Checking Function of Drive Motors
7.14 No High Speed Travel Troubleshooting—Flowchart 6A
8. Disassembly/Reassembly Procedures
8.1 Tools
8.2 Ordering Parts
8.3 Reference Numbers ( )
8.4 Weight Block
8.5 Articulated Joint
8.6 Drum Support Exploded View
8.7 Drum Support Components
8.8 Identifying Drum Supports
8.9 Removing Drums
8.10 Installing Drums
8.11 Opening Drum
8.12 Closing Drum
8.13 Disassembling Drive Hub
8.14 Reassembling Drive Hub
8.15 Disassembling Slave Hub
8.16 Reassembling Slave Hub
8.17 Rebuilding Brake
8.18 Exciter Exploded View
8.19 Exciter Parts List
8.20 Disassembling Exciter
8.21 Reassembling Exciter
8.22 Removing Drum Support
8.23 Installing Drum Support
8.24 Replacing Steering Cylinder
8.25 Replacing Valve Block
8.26 Replacing Fuel Tank
8.27 Replacing Hydraulic Tank
8.28 Replacing Hydraulic Pumps
8.29 Replacing Hydraulic Oil Cooler
8.30 Replacing Radiator and Shroud
8.31 Replacing Engine
8.32 Engine Alternator
9. Rebuilding Control Box
9.1 Removing/Rebuilding Joysticks
9.2 Removing and Installing Circuit Boards
9.3 Removing & Testing Control Button Circuit Board
Torque.pdf
Torque Values
Metric Fasteners (DIN)
Inch Fasteners (SAE)
Sealants.pdf
Threadlockers and Sealants