Wacker Neuson RD 12A Istruzioni operative

5000192242 02 0912

5000192242

Repair Manual

Roller

RD 12

All rights, including copying and distribution rights, are reserved.

This publication may be photocopied by the original purchaser of the

machine. Any other type of reproduction is prohibited without express

written permission from Wacker Neuson Production Americas LLC.

Any type of reproduction or distribution not authorized by Wacker

Neuson Production Americas LLC represents an infringement of valid

copyrights. Violators will be prosecuted.

Trademarks

All trademarks referenced in this manual are the property of their

respective owners.

Manufacturer

Wacker Neuson Production Americas LLC

N92W15000 Anthony Avenue

Menomonee Falls, WI 53051 U.S.A.

Tel: (262) 255-0500 · Fax: (262) 255-0550 · Tel: (800) 770-0957

www.wackerneuson.com

Original instructions

This Operator’s Manual presents the original instructions. The original

language of this Operator’s Manual is American English.

RD 12/RD 12A Foreword

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Operating / Parts Information

You must be familiar with the operation of this machine before you

attempt to troubleshoot or repair it. Basic operating and maintenance

procedures are described in the Operator’s Manual supplied with the

machine. Keep a copy of the Operator’s Manual with the machine at all

times. Use the separate Parts Book supplied with the machine to order

replacement parts. If you are missing either of the documents, please

contact Wacker Neuson Corporation to order a replacement.

Damage caused by misuse or neglect of the unit should be brought to

the attention of the operator to prevent similar occurrences from

happening in the future.

This manual provides information and procedures to safely repair and

maintain the above Wacker Neuson model(s). For your own safety and

protection from injury, carefully read, understand, and observe all

instructions described in this manual. THE INFORMATION

CONTAINED IN THIS MANUAL IS BASED ON MACHINES

MANUFACTURED UP TO THE TIME OF PUBLICATION. WACKER

NEUSON CORPORATION RESERVES THE RIGHT TO CHANGE

ANY PORTION OF THIS INFORMATION WITHOUT NOTICE.

This manual covers machines with Item Number:

0620058, 0620320, 0620369, 0620059, 0620321

Foreword RD 12/RD 12A

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CALIFORNIA

Proposition 65 Warning:

Engine exhaust, some of its constituents, and certain vehicle

components, contain or emit chemicals known to the State of

California to cause cancer and birth defects or other reproductive

harm.

All rights, especially copying and distribution rights, are reserved.

No part of this publication may be reproduced in any form or by any

means, electronic or mechanical, including photocopying, without

express written permission from Wacker Neuson Corporation.

Any type of reproduction or distribution not authorized by Wacker

Neuson Corporation represents an infringement of valid copyrights,

and violators will be prosecuted. We expressly reserve the right to

make technical modifications, even without due notice, which aim at

improving our machines or their safety standards.

WARNING

RD 12/RD 12A Table of Contents

1 Safety Information 9

1.1 Operating Safety ................................................................................ 10

1.2 Operator Safety while using Internal Combustion Engines ................ 12

1.3 Service Safety .................................................................................... 13

1.4 Label Locations .................................................................................. 15

1.5 Safety and Operating Labels .............................................................. 16

2 Operation 22

2.1 Operation and Service Locations ....................................................... 22

2.2 Control Panel ...................................................................................... 24

2.3 Vibration ............................................................................................. 26

2.4 Water Spray System .......................................................................... 27

2.5 Starting ............................................................................................... 28

2.6 Stopping/Parking ................................................................................ 30

2.7 Auxiliary Battery Positive Terminal ..................................................... 31

3 Honda Engine Starting System 32

3.1 Checking the 20A Main Fuse ............................................................. 33

3.2 Checking Wiring to the Starter Solenoid & Anti-backfire Solenoid ..... 34

3.3 Checking the Key Switch .................................................................... 36

3.4 Checking the Crank Relay .................................................................. 37

3.5 Checking the Neutral Switch .............................................................. 38

3.6 Checking the Neutral Relay ................................................................ 39

4 Wacker Neuson Engine Starting System 40

4.1 Checking the 20A Main Fuse ............................................................. 41

4.2 Checking the Wiring to the Starter Solenoid & Anti-backfire Solenoid 42

4.3 Checking the Key Switch .................................................................... 43

4.4 Checking the Crank Relay .................................................................. 44

4.5 Checking the Neutral Switch .............................................................. 45

4.6 Checking the Neutral Relay ................................................................ 46

Table of Contents RD 12/RD 12A

wc_br0170797en_002TOC.fm 6

5 Drive System 48

5.1 Checking the Tow Valve ......................................................................49

5.2 Adjusting the Drive Control Cable .......................................................50

5.3 Checking the Drive System Operating Pressure .................................51

5.4 Checking the Drive System Relief Pressure .......................................52

5.5 Checking Drive Motors for Binding ......................................................53

5.6 Checking Oil Flow through the Drive Motors .......................................55

6 Vibration System and Steering 56

6.1 Checking the Engine Speed and Vibration Speed ..............................57

6.2 Troubleshooting a System that Vibrates Poorly ..................................58

6.3 Checking the Vibration Solenoid Valve ...............................................60

6.4 Checking the Vibration Switch .............................................................61

7 Steering System 62

7.1 Checking the Steering System Hydraulic Pressure .............................62

7.2 Troubleshooting the Steering System .................................................63

8 Spray System 64

8.1 Troubleshooting the Spray System .....................................................64

8.2 Checking Power to the Spray Bar Pump .............................................65

8.3 Checking the Pump Timer Module ......................................................66

8.4 Checking the Spray System Switch ....................................................67

9 Disassembly & Assembly 68

9.1 Tools Required for Disassembly/Assembly Procedures .....................68

9.2 Information Regarding Replacement Parts .........................................68

9.3 Information Regarding Reference Numbers ( ) ...................................68

9.4 Information Regarding Threadlocking Compounds .............................68

9.5 Removing the Articulating Joint ...........................................................69

9.6 Installing the Articulating Joint .............................................................70

RD 12/RD 12A Table of Contents

9.7 Removing the Rear Drum ................................................................... 71

9.8 Installing the Rear Drum ..................................................................... 73

9.9 Removing the Brake and Brake Cable ............................................... 75

9.10 Installing the Brake and Brake Cable ................................................. 77

9.11 Removing Rear Drive Motor ............................................................... 79

9.12 Installing the Rear Drive Motor ........................................................... 81

9.13 Removing the Front Drum .................................................................. 83

9.14 Installing the Front Drum .................................................................... 85

9.15 Removing the Front Drive Motor ........................................................ 87

9.16 Installing the Front Drive Motor .......................................................... 88

9.17 Removing the Exciter ......................................................................... 89

9.18 Installing the Exciter ........................................................................... 91

9.19 Disassembling the Exciter Bearings ................................................... 93

9.20 Assembling the Exciter Bearings ........................................................ 95

9.21 Removing the Control Cable and Control Lever ................................. 97

9.22 Installing the Control Cable and Control Lever ................................... 99

9.23 Removing the Exciter Pump ............................................................. 100

9.24 Installing the Exciter Pump ............................................................... 101

9.25 Removing the Drive Pump ............................................................... 102

9.26 Installing the Drive Pump ................................................................. 103

9.27 Removing the Engine ....................................................................... 104

9.28 Installing the Engine ......................................................................... 106

9.29 Removing the Steering Valve ........................................................... 108

9.30 Installing the Steering Valve ............................................................. 110

9.31 Removing the Hydraulic Tank .......................................................... 112

9.32 Installing the Hydraulic Tank ............................................................ 114

9.33 Removing the Fuel Tank .................................................................. 116

9.34 Installing the Fuel Tank .................................................................... 118

10 Schematics 120

10.1 Hydraulic Schematic ......................................................................... 120

10.2 Hydraulic Schematic Components ................................................... 121

10.3 Electrical Schematic Identification—RD 12A .................................... 121

10.4 Electrical Schematic “A”—RD 12A ................................................... 122

10.5 Electrical Schematic “A” Components—RD 12A .............................. 123

10.6 Electrical Schematic “B”—RD 12A ................................................... 124

10.7 Electrical Schematic “B” Components—RD 12A .............................. 125

10.8 Electrical Schematic—RD 12 ........................................................... 126

10.9 Electrical Schematic Components—RD 12 ...................................... 127

Table of Contents RD 12/RD 12A

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11 Technical Data 128

11.1 Engine ...............................................................................................128

11.2 Roller .................................................................................................129

11.3 Lubrication .........................................................................................129

11.4 Dimensions ........................................................................................130

11.5 Sound Measurements .......................................................................131

11.6 Measurements of Operator Exposure to Vibration ............................131

11.7 Hydraulic Pressures ..........................................................................132

RD 12/RD 12A Safety Information

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1 Safety Information

This manual contains DANGER, WARNING, CAUTION, NOTICE and

NOTE callouts which must be followed to reduce the possibility of

personal injury, damage to the equipment, or improper service.

This is the safety alert symbol. It is used to alert you to potential

personal injury hazards. Obey all safety messages that follow this

symbol to avoid possible injury or death.

DANGER indicates a hazardous situation which, if not avoided, will

result in death or serious injury.

WARNING indicates a hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION indicates a hazardous situation which, if not avoided, could

result in minor or moderate injury.

NOTICE: Used without the safety alert symbol, NOTICE indicates a

situation which, if not avoided, could result in property damage.

Note: Contains additional information important to a procedure.

DANGER

WARNING

CAUTION

Safety Information RD 12/RD 12A

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1.1 Operating Safety

Notice: State Health Safety Codes and Public Resources Codes

specify that in certain locations spark arresters be used on internal

combustion engines that use hydrocarbon fuels. A spark arrester is a

device designed to prevent accidental discharge of sparks or flames

from the engine exhaust. Spark arresters are qualified and rated by

the United States Forest Service for this purpose.

In order to comply with local laws regarding spark arresters, consult

the engine distributor or the local Health and Safety Administrator.

Familiarity and proper training are required for the safe operation of the

machine. Machines operated improperly or by untrained personnel

can be hazardous. Read the operating instructions contained in this

manual and the engine manual, and familiarize yourself with the

location and proper use of all controls. Inexperienced operators should

receive instruction from someone familiar with the machine before

being allowed to operate it.

1.1.1 DO NOT drive over curbs or other uneven objects that will result in the

machine and operator being shaken.

1.1.2 DO NOT attempt to start the machine when standing alongside it. Only

start the engine when seated in the driver's seat and with the forward/

reverse control in the neutral position.

1.1.3 Do not allow anyone to operate this equipment without proper training.

People operating this equipment must be familiar with the risks and

hazards associated with it.

1.1.4 Do not touch the engine or muffler while the engine is on or

immediately after it has been turned off. These areas get hot and may

cause burns.

1.1.5 Do not use accessories or attachments that are not recommended by

Wacker Neuson. Damage to equipment and injury to the user may

result.

1.1.6 NEVER leave the machine running unattended.

1.1.7 NEVER operate the machine with the fuel cap loose or missing.

1.1.8 NEVER carry passengers on the machine. Danger of crushing—keep

clear of the articulated steering joint between the front and rear frames.

1.1.9 NEVER use or attempt to repair damaged safety belts or ROPS.

Replace only with Wacker Neuson spare parts.

1.1.10 ALWAYS disengage and stow the locking bar for the articulated

steering joint before operating the machine. The machine cannot be

steered when the locking bar is engaged.

1.1.11 ALWAYS check that all controls are functioning properly immediately

after start-up! DO NOT operate the machine unless all controls operate

correctly.

WARNING

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