Duratech HD-8 V Series User manual

P. O . B OX 1940, JAMESTOWN, ND 58402-1940
SEPTEMBER 2002 0500082
TM
HD-8
Industrial Tub Grinder
Serial Number II00359 & Up
Manual 1:
Operating Instructions

Clearing the Way for a Better Tomorrow

DuraTech Industries International Inc. (DuraTech Industries) has made every effort to assure that
this manual completely and accurately describes the operation and maintenance of the HD-8™
Industrial Tub 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 unit.
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, and they should be located within easy access for periodic review.
is a registered trademark of Duratech Industries International, Inc.
HD-8 is a trademark of Duratech Industries International, Inc.
TM
HD-8
Industrial Tub Grinder
Serial Number II00359 & Up
Manual 1:
Operating Instructions

Clearing the Way for a Better Tomorrow

iHD-8 SERIES V 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, 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 HD-8 SERIES V OPERATING INSTRUCTIONS
TABLE OF CONTENTS
Manual 1: Operating 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 ...................................................................................... 7
1.4 Shielding ......................................................................................................... 10
1.5 Industrial Tub Grinder safety review ............................................................. 10
1.6 Thrown objects and operator safety .............................................................. 11
1.7 Service and maintenance ............................................................................... 12
1.8 Personal protection equipment ...................................................................... 13
1.9 Fire Prevention .............................................................................................. 13
1.10 Fire Extinguishers: ......................................................................................... 14
1.11 Important safety reminders ........................................................................... 15
1.12 Towing ........................................................................................................... 15
Section 2: Introduction ........................................................... 16
2.1 Description of the DuraTech Industrial Tub Grinder ....................................... 16
2.2 Electronic governor ......................................................................................... 17
2.3 Rotor clutch ..................................................................................................... 18
2.4 Torque limiter .................................................................................................. 18
2.5 Rotor ............................................................................................................... 18
2.6 Screens ............................................................................................................ 18
2.7 Tub .................................................................................................................. 18
2.8 The conveyor system ...................................................................................... 19
2.9 Magnetic roller (optional) ................................................................................ 19
2.10 Mill grate (optional) ....................................................................................... 19
2.11 Tub cover (optional) ....................................................................................... 19
2.12 Control Panel ................................................................................................. 20
2.13 Other operator controls ................................................................................ 21

iiiHD-8 SERIES V OPERATING INSTRUCTIONS
TABLE OF CONTENTS
Section 3: Operation ............................................................... 22
3.1 Pre-operation inspection .................................................................................. 22
3.2 Starting the Industrial Tub Grinder .................................................................. 23
3.3 If the engine fails to start ................................................................................ 23
3.4 Throttle operation ............................................................................................ 24
3.5 Automatic engine shutdown system ................................................................ 24
3.6 Normal shutdown procedure ........................................................................... 25
3.7 Emergency shutdown procedure ..................................................................... 26
3.8 Murphy System Operation ............................................................................ 27
3.9 Parts of the electronic governor..................................................................... 28
3.10 Operation of the electronic governor ............................................................ 29
3.11 Calibration of the electronic governor ........................................................... 30
3.12 Adjusting the tub’s rotation speed.................................................................. 30
3.13 Raising the tub ............................................................................................... 31
3.14 Lowering the tub ........................................................................................... 32
3.15 Starting and stopping the discharge conveyor ............................................... 32
3.16 Operating the grinder using the remote radio option ..................................... 32
3.17 Grinding ......................................................................................................... 35
3.18 Loading the tub .............................................................................................. 35
3.19 If lodging occurs while grinding ................................................................... 36
3.20 Grinding wet material .................................................................................... 36
3.21 Preparing the HD-8 for transport .................................................................. 36
3.22 Preparing the HD-8 for operation after transport ......................................... 37
3.23 Preparing the HD-8 for storage .................................................................... 38
3.24 Removing the HD-8 from storage ................................................................ 38
3.25 Installing a screen.......................................................................................... 39
3.26 Adjusting the conveyor belt tension ............................................................... 40
3.27 Adjusting the conveyor belt tracking ............................................................. 41
3.28 Sizing the tub drive chain ............................................................................... 42
3.29 Adjusting tub chain tension ............................................................................ 42
3.30 Ball type torque limiter .................................................................................. 44
3.31 Checking for wear on the friction disc torque limiter .................................... 45
3.32 Engaging and adjusting the rotor clutch ......................................................... 46
3.33 Electro-hydraulic valve coil test .................................................................... 47
3.34 Electro-hydraulic valve calibration ................................................................ 49

iv HD-8 SERIES V OPERATING INSTRUCTIONS
TABLE OF CONTENTS
Section 4: Engine Maintenance ............................................... 50
Section 5: General Maintenance ............................................. 50
5.1 Welding procedure .......................................................................................... 50
5.2 Batteries .......................................................................................................... 52
5.3 Lubrication ...................................................................................................... 52
5.4 Pressure roller lubrication ............................................................................... 57
5.5 Hydraulic system ............................................................................................. 58
5.6 Axle, wheels and tires ..................................................................................... 59
5.7 Hammermill maintenance ............................................................................... 60
5.8 Fixed hammer maintenance and replacement ................................................. 61
5.9 Swinging hammer replacement and maintenance ........................................... 62
Section 6: Troubleshooting the HD-8 ..................................... 65
6.1 Troubleshooting the electronic governor system ............................................. 65
6.2 General Troubleshooting ................................................................................... 69
6.3 Troubleshooting Microtronics wireless remote controls .................................. 70
6.4 Troubleshooting Omnex Wireless Remote Controls ........................................ 75
Appendix A: Warranty .............................................................. 78
Appendix B: SPECIFICATIONS ................................................ 80
Appendix C: Operator Training Form ...................................... 82
HD-8 Documentation Comment Form ..................................... 84

1HD-8 SERIES V OPERATING INSTRUCTIONS 1
TM
HD-8
Industrial Tub Grinder
Serial Number II00359 & Up
Manual 1:
Operating Instructions

2HD-8 SERIES V 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 HD-8. 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: HD-8 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 HD-8 Industrial 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.
Dealer responsibilities
• Thoroughly review this section, "Dealer Responsibilities," and perform the tasks outlined. Also perform
a daily pre-operation inspection as described in Section 3, "Operation."
• Upon delivery of the unit to the customer, it is the dealer's responsibility to conduct a training session on
the safe operation of the unit for the primary operator(s). Dealer must also conduct a "walk-around"
inspection of all safety instructional decals on the machine itself. Decals are illustrated in Manual 2:
Parts Reference.
• When dealer is satisfied that the primary operators have read the operating instructions, and understand
all information concerning the safe operation of the unit, sign and return the User Training Verification
Form found in the HD-8 documentation packet.