Duratech 4012 Tub Grinder User manual

0500111 • May 2018
DuraTech InDusTrIes InTernaTIonal Inc.
Po Box 1940, JamesTown, nD 58402-1940
Tel: [phone]• Fax: [phone]
www.DuraTechInDusTrIes.neT • www.hayBusTer.com
4012
Tub Grinder
Manual I: Operating Instructions
TM
Product InformatIon

Clearing the Way for a Better Tomorrow

4012
Tub Grinder
Manual 2:
Parts Reference
TM
DuraTech Industries International Inc. (DuraTech) has made every effort to assure that this manual
completely and accurately describes the operation and maintenance of the 4012™ Tub Grinders as
of the date of publication. DuraTech reserves the right to make updates to the machine from time
to time. Even in the event of such updates, you should still find this manual to be appropriate for the
safe operation and maintenance of your unit.
This manual, as well as materials provided by component suppliers to DuraTech are all considered
to be part of the information package. Every operator is required to read and understand these
manuals, and they should be located within easy access for periodic review.
is a registered trademark of Duratech Industries International, Inc. 4012 is
a trademark of Duratech Industries International, Inc.

Clearing the Way for a Better Tomorrow

i
4012 DURATECH TUB GRINDER OPERATING INSTRUCTIONS
FOREWORD
Foreword
All personnel must read and understand before operating unit
DuraTech Industries International Inc. (DuraTech Industries) has made every effort
to assure that this manual completely and accurately describes the operation and
maintenance of this Industrial Grinder as of the date of publication. DuraTech
Industries reserves the right to make updates to the machine from time to time.
Even in the event of such updates, you should still find this manual to be appropriate
for the safe operation and maintenance of your machine.
This manual, as well as materials provided by component suppliers to DuraTech
Industries are all considered to be part of the information package. Every operator
is required to read and understand these manuals All manuals should be located
within easy access for troubleshooting and periodic review.
Appropriate use of the unit
This Industrial Grinder is designed to grind wood waste and other materials,
including: grass clippings, leaves, pallets, construction and demolition debris,
tree branches and tree trunks.
It is NOT designed to grind rocks, steel, concrete, or the like.
Operator protection
As with all machinery, care needs to be taken by the operator in order to insure the
safety of the operator and those in the surrounding area.
WARNING: Operators and those observing the operation of the
Industrial Grinder are required to wear head, eye, and ear protection. No
loose clothing is allowed.

ii 4012 DURATECH TUB GRINDER OPERATING INSTRUCTIONS
TABLE OF CONTENTS
4012 TUB GRINDER Manual 1: Operators Instructions .... 1
Introduction ................................................................................ 2
Purpose ....................................................................................... 2
Section 1: Safety ....................................................................... 4
1.1 Safety-alert symbols ........................................................................................... 4
1.2 Operator - personal equipment ........................................................................... 6
1.3 Machine safety labels ......................................................................................... 8
1.4 Shielding ........................................................................................................... 11
1.5 Tub Grinder safety review ............................................................................... 11
1.6 Thrown objects and operator safety ................................................................ 12
1.7 Service and maintenance ................................................................................. 13
1.8 Fire Prevention ................................................................................................. 14
1.9 Fire Extinguishers ............................................................................................. 15
1.10 Towing ............................................................................................................ 16
1.11 Important safety reminders ............................................................................ 16
Section 2: Introduction ........................................................... 17
2.1 Description of the 4012 DuraTech Tub Grinders ............................................ 17
2.2 Electronic governor .......................................................................................... 17
2.3 Wet clutch ........................................................................................................ 19
2.4 Rotor ................................................................................................................ 19
2.5 Screens ............................................................................................................. 19
2.6 Tub ................................................................................................................... 20
2.7 Hydraulic cooler ............................................................................................... 20
2.8 Wet clutch cooler ............................................................................................. 20
2.9 The conveyor system ....................................................................................... 20
2.10 Tub cover (optional) ....................................................................................... 21
2.11 Grapple loader (optional) and Cab Controls ................................................... 22
2.12 4012 DuraTech Tub Grinder Electronic Engine Controls ............................... 25
2.12.1 Control panel ....................................................................................... 27
2.13 Other controls ................................................................................................. 28
Section 3: Operation ............................................................... 29
3.1 Pre-operation inspection ................................................................................... 29
3.2 Starting the Tub Grinder ................................................................................... 30
3.3 If the engine fails to start ................................................................................. 30
3.4 Throttle operation ............................................................................................. 30
3.5 Automatic engine shutdown system ................................................................. 31
3.6 Normal shutdown procedure ............................................................................ 31

iii
TABLE OF CONTENTS
4012 DURATECH TUB GRINDER OPERATING INSTRUCTIONS
3.7 Emergency shutdown procedure ...................................................................... 31
3.8 Grinding ............................................................................................................ 32
3.9 Engaging the wet clutch ................................................................................... 32
3.10 Disengaging the wet clutch ............................................................................ 32
3.11 Grinding with tub cover .................................................................................. 33
3.12 Loading the tub ............................................................................................... 33
3.13 If lodging occurs while grinding ...................................................................... 33
3.14 Grinding wet material ..................................................................................... 33
3.15 Starting and stopping the belly and discharge conveyors ............................... 34
3.16 Raising the discharge conveyor ...................................................................... 34
3.17 Swinging the discharge conveyor ................................................................... 34
3.18 Operating the grinder using the remote radio option ...................................... 35
3.19 Preparing the 4012 DURATECH TUB GRINDER for transport ................. 37
3.20 Preparing the 4012 DURATECH TUB GRINDER for operation after transport ........... 38
3.21 Preparing the 4012 DURATECH TUB GRINDER for storage ................... 39
3.22 Removing the 4012 DURATECH TUB GRINDER from storage ................ 39
3.23 Installing a screen ........................................................................................... 40
3.24 Raising the tub ................................................................................................ 41
3.25 Lowering the tub ............................................................................................ 42
3.26 Parts of the electronic governor ..................................................................... 43
3.27 Operation of the electronic governor ............................................................. 44
3.28 Calibration of the electronic governor ............................................................ 45
3.29 Adjusting tub rotation speed ........................................................................... 45
3.30 Electro-hydraulic valve coil test ..................................................................... 46
3.31 Electro-hydraulic valve calibration ................................................................. 47
3.32 Adjusting the conveyor belt tension ................................................................ 48
3.33 Adjusting the conveyor belt tracking .............................................................. 49
3.34 Adjustable belly belt seals ............................................................................... 50
3.35 Belt scrapers on belly and discharge conveyors ............................................ 50
3.36 Adjusting tub chain tension ............................................................................. 51
Section 4: Engine Maintenance ............................................... 52
Section 5: General Maintenance ............................................. 52
5.1 Welding Procedure ........................................................................................... 52
5.2 Batteries ........................................................................................................... 54
5.3 Lubrication ....................................................................................................... 54
5.4 Pressure roller lubrication................................................................................. 58
5.5 Rotor bearing lubrication .................................................................................. 58
5.6 Hydraulic system .............................................................................................. 59

iv 4012 DURATECH TUB GRINDER OPERATING INSTRUCTIONS
TABLE OF CONTENTS
5.7 Wet Clutch System ........................................................................................... 60
5.8 Axle, wheels and tires ...................................................................................... 62
5.9 Brake component lubrication ............................................................................ 62
5.10 Rotor bearing installation ................................................................................ 64
5.11 Hammermill maintenance ............................................................................... 68
5.12 Fixed hammer maintenance and replacement ................................................ 69
5.13 Swinging hammer replacement and maintenance .......................................... 70
Section 6: Troubleshooting the 4012 DURATECH TUB GRINDER . 73
6.1 Troubleshooting the electronic governor system .............................................. 73
6.2 General Troubleshooting ................................................................................... 77
6.3 Troubleshooting Omnex Wireless Remote Controls ......................................... 78
6.4 Troubleshooting the Caterpillar C15 Tier 1 & 2 and 3412 Tier 1 Engine ....... 81
6.5 Troubleshooting the Caterpillar C9 & C15 Tier III Engine
and the Caterpillar C27 Tier II Engine ............................................................. 82
Appendix A: Warranty .............................................................. 83
Appendix B: SPECIFICATIONS ................................................ 84
Appendix C: Operator Training Form ...................................... 86
4012 DURATECH TUB GRINDER Documentation Comment Form . 87

14012 DURATECH TUB GRINDER OPERATING INSTRUCTIONS
4012
Tub Grinder
Manual 1:
Operating Instructions
TM

24012 DURATECH TUB GRINDER OPERATING INSTRUCTIONS
Introduction
This Industrial Grinder is designed to grind wood waste and other materials, including grass clippings, leaves,
construction and demolition debris, tree branches and tree trunks It is NOT designed to grind rocks, steel, concrete, or
the like.
Purpose
The purpose of this owner’s manual is to explain maintenance requirements and routine adjustments for the most
efficient operation of your 4012 DuraTech Tub Grinder . There is also a trouble shooting section that may help in case
of problems in the field. Any information not covered in this manual may be obtained from your dealer.
SPECIAL NOTE: When reference is made as to front, rear, left hand, or right hand of this
machine, the reference is always made from standing at the rear end of the machine and
looking toward the hitch. Always use serial number and model number when referring to
parts or problems. Please obtain your serial number and write it below for your future
reference.
MODEL: 4012 DuraTech Tub Grinder SERIAL NO. ______________________
How to use this manual
Manual organization
This manual is organized into the following parts:
• Manual 1: Operating instructions explain how to set up, use and maintain the 4012 DuraTech Tub
Grinder.
• Manual 2: Parts reference contains diagrams of each assembly with the number of each part
identified. A key on the facing page contains a description of the part and the quantity used.