DuraTech Industries HAYBUSTER H-800 Parts list manual

0500160 •OctOber 2017
DuraTech InDusTrIes InTernaTIonal Inc.
Po Box 1940, JamesTown, nD 58402-1940
Tel: [phone]• Fax: [phone]
www.DuraTechInDusTrIes.neT • www.hayBusTer.com
H-800
PTO Driven Tub Grinder
Operating Instructions and Parts Reference
TM
Product InformatIon

A Tradition of Innovation Since 1966

H-800
PTO Driven Tub Grinder
Operating Instructions
and Parts Reference
TM
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
H-800 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 nd 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.
& are registered trademarks of Duratech Industries
International, Inc. Haybuster, H-800 and Big Bite with logo are trademarks of Duratech
Industries International, Inc.

A Tradition of Innovation Since 1966

i
H-800 TUB GRINDER OPERATING INSTRUCTIONS
FOREWORD
Foreword
All personnel must read and understand the following sections before operating the
H-800 Tub Grinder.
•Foreword and Section 1, important safety information.
•Section 2, “Machine operation,” which explains normal operation of the
machine.
•Section 2.1, “Pre-Operation Inspection”.
Appropriate use of unit
The H-800 Tub Grinder is designed to grind material into more palatable or man-
ageable rations for your operation. It has multiple uses:
1. Grind most types of hay
•Big round bales
•Loose hay
•Square bales
2. Grind most types of grain
•Shell corn
•High moisture corn
•Most small grains

ii H-800 TUB GRINDER OPERATING INSTRUCTIONS
3. Grind most types of crop residue
•Stover
•Straw
4. Grind various sizes
• Screens are available from 3/4” to 6”
• Combine screen sizes to get desired cut
Operator protection
As with all machinery, care needs to be taken in order to insure the safety of the
operator and those in the surrounding area.
WARNING: The OPERATOR IS RESPONSIBLE for the safety of the
operator and those in the surrounding area. Operators and those observing the
operation of the H-800 Tub Grinder are required to wear head, eye, and ear
protection, No loose clothing is allowed.

iii
TABLE OF CONTENTS
H-800 TUB GRINDER OPERATING INSTRUCTIONS
Part 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 Thrown objects and operator safety .......................................................... 11
1.5 Shielding ................................................................................................... 12
1.6 Personal protection equipment.................................................................. 12
1.7 Safety Review ........................................................................................... 13
1.8 Fire Prevention .......................................................................................... 15
1.9 Fire Extinguishers: .................................................................................... 16
1.10 Towing ...................................................................................................... 17
1.11 Service and maintenance........................................................................... 18
Section 2: Operation and Adjustments .................................... 19
2.1 Pre-Operating Inspection .......................................................................... 19
2.2 Introduction to the machine................................................................... 21
2.2.1 Description of the H-800 Tub Grinder ........................................... 21
2.2.2 Overview of Operator’s Controls.................................................... 21
2.2.3 Auger ............................................................................................... 22
2.2.4 Rotor................................................................................................ 22
2.2.5 Screens ............................................................................................ 22
2.2.6 Tub................................................................................................... 23
2.2.8 Fan................................................................................................... 24
 2.2.9Dischargespoutanddeector ......................................................... 24
2.2.10 Flow control valve........................................................................ 24
2.3 Machine Operation ................................................................................. 25
2.3.1 Tractor Set Up ................................................................................. 25
2.3.2 How to hook up to tractor ............................................................... 26
2.3.3 How to disconnect from tractor....................................................... 26
2.3.4 How to operate machine as a unit ................................................... 26

iv H-800 TUB GRINDER OPERATING INSTRUCTIONS
TABLE OF CONTENTS
2.4 Shutdown procedures.............................................................................. 28
2.4.1 Normal Shutdown Procedure .......................................................... 28
2.4.2 Emergency Shutdown Procedure .................................................... 28
2.5 Storage...................................................................................................... 29
2.5.1 Preparing for storage ....................................................................... 29
2.5.2 Removing from storage................................................................... 29
2.6 Installing or changing a screen.................................................................. 29
2.7 Road Transport........................................................................................ 30
2.7.1 Set up to transport ........................................................................... 30
2.7.2 Change back to operate ................................................................... 30
2.8 Changing the output distribution pattern................................................... 31
2.9 P.T.O. shield and belt drive system shields ............................................... 32
2.10 Mill grate adjustment ................................................................................ 34
2.11 Adjusting Belt Tension.............................................................................. 35
2.12 Auger/Fan cleanout ................................................................................... 36
2.13 Adjustingtheowcontrolvalve ............................................................... 36
2.14 Hydraulic cylinder and valve .................................................................... 37
2.15 Tires and Rims........................................................................................... 37
2.16 Jack............................................................................................................ 37
Section 3: General Maintenance ............................................... 39
3.1 Lubrication .............................................................................................. 41
3.1.1 Lubrication Points ........................................................................... 41
3.1.2 Wheel bearing lubrications.............................................................. 46
3.2 Replacing fan blades ................................................................................. 49
3.3 Hammermill maintenance ......................................................................... 50
3.4 Hammer maintenance and replacement .................................................... 51
3.5 Lug nut torque requirements ..................................................................... 52
3.6 Belt Bushing Torque Settings.................................................................... 53
Section 4: Troubleshooting the H-800 Tub Grinder .................. 54
4.1 General Troubleshooting........................................................................... 54
Appendix A: Warranty ............................................................... 55
Appendix B: H-800 Tub Grinder Specications........................ 56
Appendix C: Required for operation ......................................... 57

v
TABLE OF CONTENTS
H-800 TUB GRINDER OPERATING INSTRUCTIONS
Part 2: Parts Reference ..................................................59
HITCH ASSEMBLY.............................................................................................. 60
MAIN FRAME ASSEMBLY................................................................................. 62
PLATFORM ASSEMBLY ..................................................................................... 64
TUB ASSEMBLY .................................................................................................. 66
TUB DRIVE ASSEMBLY..................................................................................... 68
ROTOR ASSEMBLY............................................................................................. 70
SLUG BAR ASSEMBLY....................................................................................... 72
AUGER AND DRIVE ASSEMBLY...................................................................... 74
FAN ASSEMBLY................................................................................................... 76
FAN ASSEMBLY - DETAIL A.............................................................................. 78
FAN DRIVE ASSEMBLY ..................................................................................... 80
COVERED SPOUT ASSEMBLY.......................................................................... 82
FAN ASSEMBLY - REPLACEABLE FIN AND SHAFT..................................... 84
PRESSURE ROLLER ASSEMBLY...................................................................... 86
TUB ROLLER ASSEMBLY.................................................................................. 88
HYDRAULIC ASSEMBLY................................................................................... 90
TRACTOR CONNECTIONS ................................................................................ 91
FLOW CONTROL VALVE ................................................................................... 92
FAN ORBIT MOTOR............................................................................................ 93
TUB DRIVE ORBIT MOTOR .............................................................................. 94
FAN HYDRAULIC CYLINDER .......................................................................... 96
HYDRAULIC SCHEMATIC ................................................................................ 98
FLOW CONTROL VALVE (4000331)................................................................. 99
FAN ORBIT MOTOR ASSEMBLY .................................................................... 101
TUB ORBIT MOTOR ASSEMBLY.................................................................... 102
3600885 P.T.O. ASSEMBLY................................................................................ 104
AXLE ASSEMBLY.............................................................................................. 106
TAILLIGHTS....................................................................................................... 108
TAILLIGHT SCHEMATIC...................................................................................111
GRAIN HOPPER ASSEMBLY (OPTIONAL).................................................... 112
DECALS .............................................................................................................. 114
DECAL LOCATIONS ......................................................................................... 116
H-800 TUB GRINDER DOCUMENTATION COMMENT FORM ............ 121

vi H-800 TUB GRINDER OPERATING INSTRUCTIONS
A Tradition of Innovation Since 1966

1H-800 TUB GRINDER OPERATING INSTRUCTIONS 1
H-800
PTO Driven Tub Grinder
Part 1:
Operating Instructions
TM

2H-800 TUB GRINDER OPERATING INSTRUCTIONS
Introduction
The H-800 Tub Grinder is designed to grind material into more palatable or manageable rations for your operation. It
has multiple uses:
1. Grind most types of hay
•Round bales
•Loose hay
•Square bales
2. Grind most types of grain
•Shell corn
•High moisture corn
•Most small grains
3. Grind most types of crop residue
•Stover
•Straw
4. Grind various sizes
• Screens are available from 3/4” to 6”
To avoid possible damage to the machine and risk of injury to the operator, consult with a DuraTech Industries
International, Inc. (DuraTech Industries) representative before attempting to shred materials other than livestock forage.
Purpose
The purpose of this owner’s manual is to explain maintenance requirements and routine adjustments for the most
efcient operation of your H-800 Tub Grinder. There is also a trouble shooting section that may help in case of
problems in the eld. 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: H-800 SERIAL NO. ________________________

3
H-800 TUB GRINDER OPERATING INSTRUCTIONS
How to use this manual
Manual organization
This manual is organized into the following parts:
• Part 1: Operating Instructions
• Section 1: Safety decals, safety instructions and information
• Section 2: Describes the purposes of each part.
• Section 3: Describes safe procedures.
• Section 4: Tells how to use the H-800 Tub Grinder.
• Section 5: Describes how to maintain the H-800 Tub Grinder.
• Part 2: Part’s reference contains diagrams of each assembly, with the part number of each part. A key on
the same or facing page contains a description of the part and the quantity used.
Dealer responsibilities
• Perform a daily pre-operation inspection as described in Section 2, “Operation.”
•Upon delivery of the unit to the customer, it is your responsibility to conduct a training session on the safe
operation of the unit for the primary operator(s). You must also conduct a “walk-around” inspection of all
safety instructional decals on the machine itself. Decals are illustrated in Part 2: Parts Reference.
•Complete and return the Warranty Registration postcard. DuraTech Industries must receive this form
before activating the warranty. Appendix A provides details of the warranty.
Operator responsibilities
• Note the important safety information in the Foreword and in Section 1, “Safety.”
•Thoroughly review sections 1 and 2, which explain normal operation of the machine, and section 3, which
explains maintenance requirements. These sections will function as your textbook during the dealer-
conducted training course that is required before you can use the unit.
•Manuals for certain allied supplier’s components are provided separately. You should also be familiar
with their contents.
•Keep copies of all manuals in a readily accessible location for future reference.

4H-800 TUB GRINDER OPERATING INSTRUCTIONS
Safety-Alert Symbol
Read and recognize safety information. Be alert to
the potential for personal injury when you see this
safety-alert symbol.
Section 1: Safety
The safety of the operator is of great importance to DuraTech Industries. We have provided decals, shield and other
safety features to aid you in using your machine safely. In addition, we ask you to be a careful operator who will
properly use and service your Haybuster equipment.
WARNING: FAILURE TO COMPLY WITH SAFETY INSTRUCTIONS THAT FOLLOW
WITHIN THIS MANUAL COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH.
BEFORE ATTEMPTING TO OPERATE THIS MACHINE, CAREFULLY READ ALL
INSTRUCTIONS CONTAINED WITHIN THIS MANUAL. ALSO READ THE INSTRUCTION
MANUAL PROVIDED WITH YOUR TRACTOR.
THIS MACHINE IS NOT TO BE USED FOR ANY PURPOSE OTHER THAN THOSE
EXPLAINED IN THE OPERATOR’S MANUAL, ADVERTISING LITERATURE OR OTHER
DURATECH WRITTEN MATERIAL PERTAINING TO THE H-800 TUB GRINDER.
1.1 Safety-alert symbols
Decals are illustrated in Part 2: Parts Reference.
The safety decals located on your machine contain important and useful information that will help you operate your
equipment safely.
To assure that all decals remain in place and in good condition, follow the instructions below:
• Keep decals clean. Use soap and water - not mineral spirits, adhesive cleaners and other similar cleaners
that will damage the decal.
• Replace all damaged or missing decals. When attaching decals, surface temperature of the machine must
be at least 40° F (5° C). The surface must be also be clean and dry.
• When replacing a machine component to which a decal is attached, be sure to also replace the decal.
• Replacement decals can be purchased from your Haybuster dealer.
DuraTech uses industry accepted ANSI standards in labeling its products for safety and operational characteristics.

5
H-800 TUB GRINDER OPERATING INSTRUCTIONS
DANGER: Indicates an imminently
hazardous situation that, if not avoided, will
result in death or serious injury. This signal
word is to be limited to the most extreme
situations, typically for machine components
that, for functional purposes, cannot be
guarded.
WARNING: Indicates a potentially hazardous
situation that, if not avoided, could result in
death or serious injury, and includes hazards
that are exposed when guards are removed.
It may also be used to alert against unsafe
practices.
CAUTION: Indicates a potentially hazardous
situation that, if not avoided, may result in
minor or moderate injury. It may also be used
to alert against unsafe practices.
This manual uses the symbols to the right to denote
important safety instructions and information.
The DANGER, WARNING and CAUTION symbols
are used to denote conditions as stated in the text above.
Furthermore, the text dealing with these situations is
surrounded by a box with a white background, will begin
with DANGER, WARNING, or CAUTION.
The INFORMATION symbol is used to denote important
information or notes in regards to maintenance and use of
the machine. The text for this information is surrounded
by a box with a light grey background, and will begin with
either IMPORTANT or NOTE.
DANGER
INFORMATION
CAUTION
WARNING

6H-800 TUB GRINDER OPERATING INSTRUCTIONS
1.2 Operator - personal equipment
THE OPERATOR
Physical Condition
You must be in good physical condition and mental health and not under the inuence of any substance (drugs, alcohol)
which might impair vision, dexterity or judgment.
Do not operate a H-800 when you are fatigued. Be alert - If you get tired while operating your H-800, take a break.
Fatigue may result in loss of control. Working with any farm equipment can be strenuous. If you have any condition
that might be aggravated by strenuous work, check with your doctor before operating
Proper Clothing
Clothing must be sturdy and snug-tting, but allow complete freedom
of movement. Avoid loosetting jackets, scarfs, neckties, jewelry, ared
or cuffed pants, unconned long hair or anything that could become
entangled with the machine.
Protect your hands with gloves when handling ail and sections.
Heavyduty, nonslip gloves improve your grip and protect your hands.
Good footing is most important. Wear sturdy boots with nonslip soles.
Steel-toed safety boots are recommended.
To reduce the risk of injury to your eyes never operate a H-800 unless
wearing goggles or properly tted safety glasses with adequate top and
side protection.
Tractor noise may damage your hearing. Always wear sound barriers (ear
plugs or ear mufers) to protect your hearing. Continual and regular users
should have their hearing checked regularly.
Protect your head with a hard hat to reduce the risk of injury from ying
debris.

7
H-800 TUB GRINDER OPERATING INSTRUCTIONS
6500212
1.3 Machine safety labels
The safety decals located on your machine contain important information that will help you operate your equipment.
Become familiar with the decals and their locations.
DANGER: ROTATING PARTS WITHIN CAN KILL OR
DISMEMBER. WAIT FOR ALL MOVEMENT TO STOP
BEFORE SERVICING, UNLOADING, OR INSPECTING
MACHINE.
DANGER: ROTATING DRIVELINE, KEEP AWAY!
ENTANGLEMENT CAN CAUSE SERIOUS INJURIES OR
DEATH.
DO NOT OPERATE WITHOUT
• ALL DRIVELINE GUARDS, TRACTOR AND
EQUIPMENT SHIELDS IN PLACE
• DRIVELINES SECURELY ATTACHED AT BOTH
ENDS
• DRIVELINE GUARDS THAT TURN FREELY ON
DRIVELINE
6500085
6500082
6500118
DANGER: OBJECTS THROWN BY MACHINE
DO NOT OPERATE WITHOUT WEARING SAFETY
GLASSES AND A HARD HAT.
KEEP UNAUTHORIZED PERSONNEL OUT OF THE
GRINDING AREA
DANGER: ROTATING PART HAZARD, STAY OUT OF
TUB WHEN ENGINE IS RUNNING.
1. KEEP OTHERS AWAY.
2. PLACE ALL CONTROLS IN NEUTRAL, STOP
ENGINE, REMOVE KEY, AND WAIT FOR ALL
MOVING PART TO STOP BEFORE SERVICING,
ADJUSTING, REPAIRING, UNPLUGGING, OR
ENTERING THE TUB FOR ANY REASON.
3. DISCONNECT DRIVELINE ON PTO MODELS.

8H-800 TUB GRINDER OPERATING INSTRUCTIONS
6500041
6500040
DANGER: THROWN OBJECT HAZARD
KEEP AWAY
• TO PREVENT SERIOUS INJURY OR DEATH FROM
THROWN OBJECT:
• STAY AWAY FROM DISCHARGE AREA DURING
OPERATION. KEEP OTHERS AWAY.
• DO NOT POINT DISCHARGE TOWARD PEOPLE,
ANIMALS OR PROPERTY.
6500221
WARNING: FOR YOUR PROTECTION KEEP ALL
SHIELDS IN PLACE AND SECURED WHILE MACHINE
IS OPERATING MOVING PARTS WITHIN CAN CAUSE
SEVERE PERSONAL INJURY.
WARNING: FOR YOUR PROTECTION AND
PROTECTION OF OTHERS, PRACTICE THE
FOLLOWING SAFETY RULES.
1. BEFORE OPERATING THIS MACHINE, READ THE
OPERATOR’S MANUALS SUPPLIED WITH THIS
MACHINE AND YOUR TRACTOR.
2. CHECK OPERATORS MANUALS TO BE SURE
YOUR TRACTOR MEETS THE MINIMUM
REQUIREMENTS FOR THIS MACHINE.
3. READ ALL DECALS PLACED ON THIS MACHINE
FOR YOUR SAFETY AND CONVENIENCE.
4. NEVER ALLOW RIDERS ON THIS IMPLEMENT OR
THE TRACTOR.
5. KEEP OTHERS AWAY FROM THIS MACHINE
WHILE IN OPERATION.
6. KEEP ALL SHIELDS IN PLACE WHILE MACHINE
IS OPERATING.
7. KEEP HANDS, FEET, LOOSE CLOTHING, ETC.,
AWAY FROM POWER DRIVEN PARTS.
8. ALWAYS SHUT OFF MACHINE AND ENGINE
BEFORE SERVICING, UNCLOGGING,
INSPECTING, OR WORKING NEAR THIS
MACHINE FOR ANY REASON. ALWAYS PLACE
TRANSMISSION IN PARK OR SET PARK BRAKE
AND WAIT FOR ALL MOVEMENT TO STOP
BEFORE APPROACHING THIS MACHINE.

9
H-800 TUB GRINDER OPERATING INSTRUCTIONS
6500283
WARNING: HIGH-PRESSURE FLUID HAZARD, TO
PREVENT SERIOUS INJURY OR DEATH:
• RELIEVE PRESSURE ON SYSTEM BEFORE
REPAIRING OR ADJUSTING OR DISCONNECTING.
• WEAR PROPER HAND AND EYE PROTECTION
WHEN SEARCHING FOR LEAKS. USE WOOD OR
CARDBOARD INSTEAD OF HANDS.
• KEEP ALL COMPONENTS IN GOOD REPAIR.
6500220
6500043
WARNING: NO RIDERS
SERIOUS INJURY COULD RESULT FROM RIDING ON
THE MACHINE.
WARNING: TO PREVENT SERIOUS INJURY OR DEATH
DURING OPERATION:
1. DO NOT OVERFILL THE TUB.
2. DO NOT APPROACH THE GRINDER OR MAKE
MACHINE ADJUSTMENTS WHILE IT IS BEING
LOADED.
WARNING: Moving parts can crush and cut.
Keep hands clear.
6500488
6500339
WARNING: PINCH POINT STAY BACK
WARNING: Noise hazzard.
Ear protection required.
6500489

10 H-800 TUB GRINDER OPERATING INSTRUCTIONS
6500490
6500042
CAUTION: KEEP WHEEL BOLTS TIGHT.
WARNING: NO STEP
DO NOT STEP, STAND, OR SIT ON THIS SURFACE.
MAY CAUSE INJURY AND/OR EQUIPMENT DAMAGE.
CAUTION: ADJUST TRACTOR DRAWBAR SO THAT
THE DISTANCE FROM THE END OF THE P.T.O.
SHAFT ON THE TRACTOR TO THE CENTER OF THE
DRAWBAR HITCH PIN IS 16”.
6500322