Kuhns mfg AF8 User manual

Read and understand the manual.This manual provides information and
procedures to safely operate and maintain the Hay Accumulator.
AF8 Hay Accumulator
Owner’s Manual
MADE IN THE USA


AF8 Hay Accumulator 3 Kuhns Manufacturing (877) 296-5851
CONTENTS
1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Intended Usage . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Operator Orientation. . . . . . . . . . . . . . . . . . . . 4
1.3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Serial Number Location . . . . . . . . . . . . . . . . . 4
1.5 Owner/Operator Manual Storage . . . . . . . . . . 5
1.6 Product Improvements . . . . . . . . . . . . . . . . . . 5
1.7 Disposal of Equipment at End of Useful Life . 5
1.8 Unanswered Questions . . . . . . . . . . . . . . . . . 5
2. SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Safety Alert Symbol . . . . . . . . . . . . . . . . . . . .6
2.3 Safety Icons Nomenclature . . . . . . . . . . . . . . 7
2.3.1 Personal Protection/Important
Information . . . . . . . . . . . . . . . . . . . . . 7
2.3.2 Prohibited Actions . . . . . . . . . . . . . . . . 7
2.3.3 Hazard Avoidance. . . . . . . . . . . . . . . . 7
2.4 General Operating Safety. . . . . . . . . . . . . . . . 8
2.5 Safety Signs . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.6 Practice Safe Maintenance. . . . . . . . . . . . . . . 8
2.7 Training. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.8 Sign-Off Form . . . . . . . . . . . . . . . . . . . . . . . . 9
2.9 Operation Safety. . . . . . . . . . . . . . . . . . . . . . 10
2.10 Transporting Safety . . . . . . . . . . . . . . . . . . . 10
2.11 Storage Safety . . . . . . . . . . . . . . . . . . . . . . . 10
2.12 Maintenance Safety . . . . . . . . . . . . . . . . . . . 10
3. SAFETY SIGNS AND LABELS . . . . . . . . . . . . . 11
3.1 General Information . . . . . . . . . . . . . . . . . . . 11
3.2 Contact Information . . . . . . . . . . . . . . . . . . . 11
3.3 How to Install Replacement Safety Signs. . . 11
3.4 Safety Sign Locations. . . . . . . . . . . . . . . . . . 12
3.5 Hay Accumulator Safety Signs . . . . . . . . . . . 13
4. NAMES OF MAJOR PARTS. . . . . . . . . . . . . . . . 14
4.1 Undercarriage. . . . . . . . . . . . . . . . . . . . . . . .15
4.2 Accumulator Bed . . . . . . . . . . . . . . . . . . . . . 15
4.3 Linkage System . . . . . . . . . . . . . . . . . . . . . . 15
4.4 Belted Base Chute . . . . . . . . . . . . . . . . . . . . 15
4.5 Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.6 Linkage System Operation . . . . . . . . . . . . . . 16
5. ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6. SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.1 User Safety Training . . . . . . . . . . . . . . . . . . . 21
6.2 Tractor Requirements . . . . . . . . . . . . . . . . . . 22
6.2.1 Equipment and Capabilities . . . . . . . 22
6.2.2 Tractor Safety Devices . . . . . . . . . . . 22
6.3 Baler Hitch Setup . . . . . . . . . . . . . . . . . . . . .22
6.4 Baler Chamber Settings . . . . . . . . . . . . . . . . 25
6.5 Baler Hitch Special Requirements . . . . . . . . 25
6.5.1 Older New Holland® (NH) Balers . . . 25
6.5.2 Newer New Holland® Balers . . . . . . 26
6.5.3 John Deere® (JD) Balers
(1988 and newer) . . . . . . . . . . . . . . . 26
6.5.4 Inline Balers . . . . . . . . . . . . . . . . . . . 26
6.6 Lighting Socket Holder . . . . . . . . . . . . . . . . . 26
7. OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
7.1 Operating Safety. . . . . . . . . . . . . . . . . . . . . . 27
7.2 Pre-Operation Checklist . . . . . . . . . . . . . . . 27
7.3 Attaching to Baler . . . . . . . . . . . . . . . . . . . . . 27
7.3.1 Break In . . . . . . . . . . . . . . . . . . . . . . 28
7.3.2 Stuck Bale Removal . . . . . . . . . . . . . 28
7.4 Operating Procedures . . . . . . . . . . . . . . . . . 28
7.4.1 Cornering . . . . . . . . . . . . . . . . . . . . . 28
7.4.2 Hillsides . . . . . . . . . . . . . . . . . . . . . . 28
7.4.3 High Moisture Hay . . . . . . . . . . . . . . 28
7.5 Detaching From Baler . . . . . . . . . . . . . . . . . 28
8. TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . 29
8.1 Front Gate Bounces in Home Position . . . . . 29
8.2 Front Gate Bounces in Open Position . . . . . 29
8.3 Back Gate Trip Adjustments . . . . . . . . . . . . . 30
9. TRANSPORTING. . . . . . . . . . . . . . . . . . . . . . . . . 31
9.1 General Safety . . . . . . . . . . . . . . . . . . . . . . . 31
9.2 Safety Chain . . . . . . . . . . . . . . . . . . . . . . . . . 31
9.3 Highway and Transport Operations . . . . . . . 31
9.3.1 Setting the Hitch for Transport . . . . . 32
9.3.2 Lights . . . . . . . . . . . . . . . . . . . . . . . . 32
9.4 Pre-towing Checklist. . . . . . . . . . . . . . . . . . . 33
10. STORAGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10.1 Placing in Storage . . . . . . . . . . . . . . . . . . . .34
10.2 Removing from Storage . . . . . . . . . . . . . . . . 34
11. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . 35
11.1 Maintenance Safety . . . . . . . . . . . . . . . . . . . 35
11.2 Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 36
11.3 Wheel Bearing Adjustment . . . . . . . . . . . . . . 37
11.4 Swivel Dolly Bushings . . . . . . . . . . . . . . . . . 38
11.5 Tire Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 38
11.6 Tire Inflation . . . . . . . . . . . . . . . . . . . . . . . . . 38
11.7 Bolt Torque Requirements . . . . . . . . . . . . . . 38
11.8 Standard Torque Values . . . . . . . . . . . . . . . . 38
11.9 Welding Repairs . . . . . . . . . . . . . . . . . . . . . . 38
11.10 Service Record . . . . . . . . . . . . . . . . . . . . . . 39
12. PARTS SECTION. . . . . . . . . . . . . . . . . . . . . . . . . 40
12.1 Ordering Parts . . . . . . . . . . . . . . . . . . . . . . . 40
12.2 Contact Information . . . . . . . . . . . . . . . . . . . 40
12.3 Decals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
12.4 Hay Accumulator Undercarriage. . . . . . . . . . 41
12.5 Hub Assembly. . . . . . . . . . . . . . . . . . . . . . . .42
12.6 Accumulator Bed and Chute. . . . . . . . . . . . . 43
12.7 Linkage System . . . . . . . . . . . . . . . . . . . . . .44
12.8 Belt and Tensioner . . . . . . . . . . . . . . . . . . . .45
12.9 Bale Chamber Extension . . . . . . . . . . . . . . . 46
12.10 Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Kuhns Manufacturing (877) 296-5851 4 AF8 Hay Accumulator
1. Introduction
KN-00085
Using no hydraulics or electronics, the Kuhns Hay
Accumulator automatically arranges bales into
groups that can then be picked up with a grabber
mounted on a loader. Handling multiple bales of
hay at one time allows wagons to be loaded more
quickly, as well as quicker stacking in the barn.
Please read the manual carefully to become familiar
with your new Kuhns Hay Accumulator. This manual
has been developed through our experience with
the equipment and feedback from our customers.
Ultimately it is our desire that you will be operating
your Hay Accumulator as a seasoned professional in
no time!
1.1 Intended Usage
Do not use this Hay Accumulator for any other
purpose than its intended use of arranging bales into
groups that can then be picked up with grabbers.
1.2 Operator Orientation
The directions left, right, front, and rear, as
mentioned throughout this manual, are as seen from
the tractor operator’s seat and facing in the direction
of travel.
1.3 Specifications
Overall Width 7’ 10”
Overall Length 17’ 0”
Overall Height 9’ 2”
Overall Weight 1970 lbs.
Bale Capacity 8
Bale Size 14 x 18” or 16 x 18”,
32 to 48” long
Tires ST 225/75R15 (Rear)
20.5 x 8-10 (Front)
Specifications subject to change without notice.
1.4 Serial Number Location
The Hay Accumulator’s serial number is located
near the front of the Hay Accumulator Bed. Please
use this number when requesting service, seeking
information, or ordering parts. Record the serial
number in the space provided for easy reference
when contacting Kuhns Manufacturing LLC with
questions.
KN-00086
Serial Number ______________________________
Date of Purchase ___________________________

AF8 Hay Accumulator 5 Kuhns Manufacturing (877) 296-5851
1.5 Owner/Operator Manual Storage
Store the Owner’s manual and other operating
materials in the document storage tube, located
under the accumulator bed.
KN-00087
1.6 Product Improvements
Because Kuhns Manufacturing LLC maintains
an ongoing program of product improvement, we
reserve the right to make improvements in design
or changes in specifications without incurring any
obligation to install them on units previously sold.
1.7 Disposal of Equipment at End of Useful
Life
The Kuhns Manufacturing LLC Hay Accumulator has
been designed for the specific purpose of arranging
bales into groups. When this unit is no longer
capable of performing its intended use, it should be
dismantled and scrapped. Do not use any materials
or components from this unit for any other purpose.
1.8 Unanswered Questions
If you have any questions not answered in this
manual, require additional copies, or the manual is
damaged, please contact your dealer, or:
Kuhns Manufacturing LLC
4210 Kinsman Road NW
North Bloomfi eld, OH 44450
Phone: 877-296-5851
Fax: 440-693-4336
E-mail: [email protected]
The manual is also available for download at:
www.kuhnsmfg.com

Kuhns Manufacturing (877) 296-5851 6 AF8 Hay Accumulator
2. Safety
2.1 General
Most work related accidents are caused by failure
to observe basic safety rules or precautions. An
accident can often be avoided by recognizing
potentially hazardous situations before an accident
occurs. As you operate and maintain the Hay
Accumulator, you must be alert to potential hazards.
You should also have the necessary training, skills,
and tools to perform any assembly procedure.
Improper operation and/or maintenance of this
unit could cause a dangerous situation that
results in injury or death.
Do not use this unit until you read and
understand the information contained in this
manual. Do not use the Hay Accumulator for
anything other than its intended purpose.
WARNING
Do not use the unit until you read and
understand the information contained in
this manual and all related equipment
manuals.
Safety precautions and warnings are
provided in this manual and on the unit. If
these hazard warnings are not heeded,
bodily injury or death could occur to you or
to other persons.
Kuhns Manufacturing LLC cannot anticipate
every possible circumstance that might
involve a potential hazard. The warnings in
this manual and on the product are, therefore,
not all-inclusive. If a method of operation not
specifi cally recommended by us is used, you
must satisfy yourself that it is safe for you and
for others. You should also ensure that the unit
will not be damaged or be made unsafe by the
methods that you choose.
The information, specifications, and illustrations in
this manual are based on the information that was
available at the time this material was written and
can change at any time.
2.2 Safety Alert Symbol
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.
This manual contains WARNINGS, CAUTIONS,
NOTICES, SAFETY INSTRUCTIONS, and NOTES
which must be followed to prevent the possibility
of improper service, damage to the equipment,
personal injury, or death. The following key words
call the reader’s attention to potential hazards.
Hazards are identified by the “Safety Alert Symbol”
and followed by a signal word such as “WARNING”
or “CAUTION”.
WARNING
Indicates a potentially hazardous situation which,
if not avoided, could result in death or serious
injury.
CAUTION
Indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate
injury.
NOTICE
Indicates that equipment or property damage can
result if instructions are not followed.
SAFETY
INSTRUCTIONS
Safety instructions (or equivalent) signs indicate
specific safety-related instructions or
procedures.
Note: Contains additional information important to a
procedure.

AF8 Hay Accumulator 7 Kuhns Manufacturing (877) 296-5851
2.3 Safety Icons Nomenclature
This manual and the equipment has numerous
safety icons. These safety icons provide important
operating instructions which alert you to potential
personal injury hazards
2.3.1 Personal Protection/Important Information
Read the manual
Eye protection
Hearing protection
Hand protection
Foot protection
First aid kit
Fire extinguisher
Inspect equipment
Use proper tools
Use support stands
Weight rating
OEM
OEM
Use OEM parts
Use ROPS and seat belt
N
I
NG
AR
Maintain safety signs
Place in park
Remove key
STOP Stop engine
Visibility
Set parking brake
2.3.2 Prohibited Actions
Do not alter or modify
Do not weld
No riders
No children
No alcohol
No drugs
2.3.3 Hazard Avoidance
Crushing hazard
Crushing hazard
Slipping hazard
Tripping hazard
Falling hazard
Fire hazard
Safety alert symbol
Maintain tire pressure
Defective or broken part
Chock wheels
Maintain safe distance
Pinch point hazard
Overturn hazard
Negative tongue weight hazard
Rollover hazard

Kuhns Manufacturing (877) 296-5851 8 AF8 Hay Accumulator
2.4 General Operating Safety
WARNING
Read And Understand Manual
To prevent personal injury or even death,
be sure you read and understand all of the
instructions in this manual and other related
OEM equipment manuals! This Hay Accumulator
(unit) was designed for a specific application;
DO NOT modify or use this unit for any
application other than that for which it was
designed. Units operated improperly or by
untrained personnel can be dangerous!
Inexperienced operators should receive
instruction from someone familiar with the
equipment before being allowed to operate the
unit.
Do Not Operate
Do not use the unit if it is in need
of repair. If you believe the unit
has a defect which could cause injury or
death, you should immediately stop using the
unit.
Fall Hazard
Do not use the unit as a platform. Do not
climb on the unit. Do not stand on the unit
at any time. Do not ride on the unit or allow
others to ride on it.
Pinch Point Hazard
Keep hands and feet away from any
moving parts to prevent them from getting
pinched.
Impaired User Hazard
Do not attempt to assemble,
operate, or maintain the Hay
Accumulator under the influence of drugs or
alcohol. Consult your doctor before using the
Hay Accumulator while taking prescription
medications.
Falling Hazard
Do not allow riders on the tractor
or Hay Accumulator at any time.
Falling can result in severe injuries or death.
Stay Clear
Clear the area of people, especially
small children, before using the Hay
Accumulator. Under no circumstances should
young children be allowed to work with or
around the Hay Accumulator.
2.5 Safety Signs
CAUTION
N
I
NG
AR Legible Safety Signs
Keep safety signs clean and legible at all
times. Replace any safety sign or
instruction sign that is missing or not legible.
Refer to the Safety Sign Location section for
additional information.
When replacing parts that displayed a safety
sign, replace the safety sign as well.
Replacement safety signs (labels) are available
from your authorized Dealer Parts Department
or the factory at no cost.
2.6 Practice Safe Maintenance
SAFETY
INSTRUCTIONS
Understand service procedures before
doing any work. Keep the work area clean
and dry.
Keep all parts in good working
condition and properly installed.
Replace worn or broken parts
immediately.
Do not modify the unit or its safety
devices. Do not weld on the unit.
Unauthorized modifications may
impair its function and your safety.
2.7 Training
Anyone who will be using and/or maintaining the
Hay Accumulator must read, clearly understand,
and follow ALL safety, operation, and maintenance
information presented in this manual, other related
OEM manuals, and the safety signs.
If you do not understand any information in
this manual, see your dealer or contact Kuhns
Manufacturing LLC before proceeding.
Do not use or allow anyone else to use this Hay
Accumulator until all information has been reviewed.
Annually review this manual before the season start-
up.
Make periodic reviews of SAFETY and OPERATION
a standard practice. An untrained operator is not
qualified to use this Hay Accumulator.

AF8 Hay Accumulator 9 Kuhns Manufacturing (877) 296-5851
2.8 Sign-Off Form
Kuhns Manufacturing LLC follows the general
Safety Standards specified by the Farm Equipment
Manufacturers Association (FEMA), and the
American National Standards Institute (ANSI).
Anyone who will be using and/or maintaining the
Hay Accumulator must read and clearly understand
ALL safety, operation and maintenance information
presented in this manual.
Do not use or allow anyone else to use this
equipment until all information has been reviewed.
Annually review this manual before the season start-
up.
Sign-Off Form
Date User’s Signature Owner’s Signature
Make periodic reviews of SAFETY and OPERATION
of the Hay Accumulator a standard practice. An
untrained operator is not qualified to use this Hay
Accumulator.
This sign-off sheet is provided for your records to
show that all personnel who will be working with
the equipment have read and understand the
information in this Operation and Parts Manual
and have been instructed in the operation of the
equipment.

Kuhns Manufacturing (877) 296-5851 10 AF8 Hay Accumulator
2.9 Operation Safety
Refer to “2.4 General Operating Safety” on page
8 for safety recommendations related to
using the Hay Accumulator. All applicable safety
recommendations in other sections should also be
followed.
2.10 Transporting Safety
Refer to “9. Transporting” on page 31 for safety
recommendations related to transporting the Hay
Accumulator. All applicable safety recommendations
in other sections should also be followed.
2.11 Storage Safety
Refer to “10. Storage” on page 34 for safety
recommendations related to storing the Hay
Accumulator. All applicable safety recommendations
in other sections should also be followed.
2.12 Maintenance Safety
Refer to “11. Maintenance” on page 35 for safety
recommendations related to maintaining the Hay
Accumulator. All applicable safety recommendations
in other sections should also be followed.

AF8 Hay Accumulator 11 Kuhns Manufacturing (877) 296-5851
3. SAFETY SIGNS AND LABELS
3.1 General Information
The types of safety signs (hazard labels) and
instructional labels, along with their locations on the
equipment, are shown in the following illustrations.
Good safety practices require that you familiarize
yourself with the various safety signs, the type
of warning, and the area or particular operation
related to that area that requires your SAFETY
AWARENESS.
THINK
SAFETY!
Think SAFETY!
Work SAFELY!
Pay close attention to the safety signs and
instructional labels attached to the tractor, baler, and
Hay Accumulator. The safety signs attached to the
Hay Accumulator are reproduced in this section. If
the Hay Accumulator is missing a label or one is
unreadable, replace the label before using the Hay
Accumulator.
SAFETY
INSTRUCTIONS
N
I
NG
AR Safety Signs and Instructional
Labels
Keep safety signs or instructional labels clean
and legible at all times. Use a clean, damp cloth
to clean safety decals.
1. Replace any missing or hard-to-read safety
signs or instructional labels.
2. Use care when washing or cleaning the
equipment. Make sure not to remove or
damage the labels. When using a pressure
washer to clean the Hay Accumulator, avoid
spraying too close to decals; high-pressure
water can enter through very small scratches
or under edges of decals causing them to peel
or come off .
3. Locations for the labels and replacement part
numbers are shown in this section.
4. Replacement parts must have replacement
labels attached before the Hay Accumulator is
used.
5. Labels are available from your authorized
dealer or from Kuhns Manufacturing LLC at
no charge.
3.2 Contact Information
For replacement decals, contact:
Kuhns Manufacturing
4210 Kinsman Road NW
North Bloomfield, OH 44450
Phone: 877-296-5851
Fax: 440-693-4336
E-mail: [email protected]
3.3 How to Install Replacement Safety
Signs
1. Clean and dry the installation area.
Note: Do not install the signs if the temperature is
below 50°F.
2. Determine the exact position before you remove
the backing paper.
3. Remove the backing paper.
4. Align the sign over the specified area and
carefully press the sign to the part/frame.
Note: Small air pockets can be pierced with a pin
and smoothed out using the piece of backing
paper.

Kuhns Manufacturing (877) 296-5851 12 AF8 Hay Accumulator
3.4 Safety Sign Locations
KN-00088
MODEL:XXXXX
SERIALNO:XXXXX
KN-00049
PINCHPOINT
CAUTION
KN-00046
•Pinchpointsmaycause
injuriessuchascuttingor
crushing.
•Donotplacehandorfingers
betweenstationaryand
movingparts.
•Stayclearofmovingparts.
PINCHPOINT
CAUTION
KN-00046
•Pinchpointsmaycause
injuriessuchascuttingor
crushing.
•Donotplacehandorfingers
betweenstationaryand
movingparts.
•Stayclearofmovingparts.
KN-00047
WARNING
NO RIDERS
KN-00047
WARNING
NORIDERS
FALLINGHAZARD
Donotclimborstandontheunitat
anytime.
Donotusetheunitasaplatform.
Fallingcanresultinseriousinjury
ordeath.
KN-00053
READTHE
MANUAL
Donotoperateorperform
serviceonunitwithout
readingandunderstanding
Owner’smanual.
Avoidunsafeoperating
methodsormaintenance
procedures.
Ifmanualislost,goto
www.kuhnsmfg.comto
downloadamanual.
KN-00045
Toavoidseriousinjuryordeath:
FALLINGHAZARD
Donotclimborstandontheunitat
anytime.
Donotusetheunitasaplatform.
Fallingcanresultinseriousinjury
ordeath.
KN-00053
3
2
6
2
7
4
6
4
1
5
Item Type Description Qty.
1 WARNING Read the Manual 1
2 WARNING No Riders 3
3 INFORMATIONAL Serial Number 1
4 CAUTION Pinch Point 4
5 WARNING Do Not Transport at Speeds Over 20 MPH 1
6 WARNING Falling Hazard 4
7 INFORMATIONAL Made in USA 1

AF8 Hay Accumulator 13 Kuhns Manufacturing (877) 296-5851
3.5 Hay Accumulator Safety Signs
1.
READ THE
MANUAL
Do not operate or perform
service on unit without
reading and understanding
Owner’s manual.
Avoid unsafe operating
methods or maintenance
procedures.
If manual is lost, go to
www.kuhnsmfg.com to
download a manual.
KN-00045
To avoid serious injury or death:
2. 2.
KN-00047
WARNING
NO RIDERS
3.
MODEL: XXXXX
SERIAL NO: XXXXX
KN-00049
4. 4.
PINCH POINT
CAUTION
KN-00046
• Pinch points may cause
injuries such as cutting or
crushing.
• Do not place hand or fingers
between stationary and
moving parts.
• Stay clear of moving parts.
5. 5.
KN-00048
DO NOT transport at speeds above 20 mph.
Exceeding 20 mph may cause loss of control
and serious personal injury.
ONLY transport behind a properly sized and
equipped tow vehicle. ALWAYS properly
fasten the implement to the tow vehicle.
REDUCE speed on inclines, while turning, and
when towing in adverse conditions.
ENSURE an SMV emblem can be clearly seen
from behind the unit. Turn ON the tow vehicle
flashing warning lights when transporting.
1.
2.
3.
4.
WARNING
6.
FALLING HAZARD
Do not climb or stand on the unit at
any time.
Do not use the unit as a platform.
Falling can result in serious injury
or death.
KN-00053
7.

Kuhns Manufacturing (877) 296-5851 14 AF8 Hay Accumulator
4. Names of Major Parts
KN-00089
1
2
4
8
11
10
17
16
9
15
12
13
5
6
7
14
3
Item Description
1 Main Chute
2 Belted Base Chute
3 Belt Tensioner
4 Hitch
5 Chute Platform
6 Back Gate Trip Flipper
7 Reach Pole
8 Tires, ST225/75R15
9 Accumulator Bed
Item Description
10 Back Gate
11 Slow Moving Vehicle Sign
12 Gate #1
13 Gate #2
14 Gate #3
15 Gate Switch
16 Side Panels
17 Tail Lights

AF8 Hay Accumulator 15 Kuhns Manufacturing (877) 296-5851
4.1 Undercarriage
The Hay Accumulator’s undercarriage supports
the overall unit and includes the axles, wheel
assemblies, swivel dolly, base chute, and the hitch.
KN-00090
4.2 Accumulator Bed
The accumulator bed guides and positions the bales
on the accumulator. The accumulator bed rests on
the frame and is secured at the rear of the frame
with two heavy-duty hinges. Shipped in the resting
position, the bed is lifted upward and fastened for
operation and left there.
KN-00091
4.3 Linkage System
The linkage system directs the bales through the
accumulator bed. The system consists of three
gates, a gate switch, a back gate, a trip mechanism,
and a network of springs and cables.
KN-00092
4.4 Belted Base Chute
The belted base chute is standard equipment on the
Hay Accumulator and will aid in cornering.
KN-00093
4.5 Lights
The Hay Accumulator is equipped with Agricultural
Lights and an Enhanced Flasher Lighting Module to
meet ASABE S279 standard.
KN-00094

Kuhns Manufacturing (877) 296-5851 16 AF8 Hay Accumulator
4.6 Linkage System Operation
1. Bale #1 enters the Hay Accumulator and slides
downward and into position.
KN-00095
2. Bale #2 enters the Hay Accumulator and slides
downward and into position, rotating the gate
actuating spring and shifting gate #1to open
row #2.
KN-00096
3. Bale #3 enters the Hay Accumulator and slides
downward and into position.
KN-00097
4. Bale #4 enters the Hay Accumulator and slides
downward and into position, rotating the gate
switch and shifting gate #2 to open row #3.
KN-00098
5. Bale #5 enters the Hay Accumulator and slides
downward and into position.
KN-00099
6. Bale #6 enters the Hay Accumulator and slides
downward and into position, rotating the gate
actuating spring and shifting gate #3 to open row
#4.
KN-00100

AF8 Hay Accumulator 17 Kuhns Manufacturing (877) 296-5851
7. Bale #7 enters the Hay Accumulator and slides
downward and into position, rotating the back
gate trip slider to engage the trip flipper.
KN-00101
8. Bale #8 enters the Hay Accumulator and slides
downward, depressing the back gate trip flipper to
open the back gate.
KN-00102
9. Once the back gate is open, the bales slide to
the ground. When all bales are clear, the back
gate returns to its original position and latches. All
gates return to their original position.
KN-00103

Kuhns Manufacturing (877) 296-5851 18 AF8 Hay Accumulator
5. Assembly
The accumulator ships in the folded position, as
shown.
KN-00104
1. Bolt the chute platform into position using four
1/2 x 1-1/4” bolts and locking nuts. Do not fully
tighten the bolts.
KN-00110
2. Bolt the chute platform sides to the chute platform
and the accumulator bed using three 3/8 x 3/4”
serrated fl ange bolts and nuts on each side. Do
not fully tighten the bolts.
KN-00111
WARNING
Crush Hazard
The accumulator bed weighs
approximately 1100 pounds and can cause
serious injury or death if it falls on a person.
Use a lifting device with adequate capacity to
support the accumulator bed. Use extreme
caution when working under the accumulator
bed when it is supported by a lifting device. Do
not allow anyone to walk under or stand near
the accumulator bed when it is supported by a
lifting device.
3. Chock the wheels to prevent the accumulator
from moving during the next steps.
4. Using a suitable lifting device, raise the front
of the accumulator bed to install the front
supports. The accumulator bed assembly weighs
approximately 1100 pounds.
KN-00105

AF8 Hay Accumulator 19 Kuhns Manufacturing (877) 296-5851
5. Bolt the front supports in place using four 1/2 x 3”
bolts and serrated fl ange nuts provided. Tighten
the bolts to the proper torque value.
WARNING
Make sure to install these bolts from the inside,
with the nut on the outside of the accumulator.
Note: Refer to “11.8 Standard Torque Values” on
page 38 for the proper torque value for all
fasteners.
KN-00187
6. Bolt the front crosses in place using four
1/2 x 2-3/4” bolts and serrated fl ange nuts
provided. Do not fully tighten the bolts.
KN-00188
7. Bolt the front crosses together using four 3/8 x 1”
bolts and serrated fl ange nuts provided. Do not
fully tighten the bolts.
KN-00188a
8. If required, bolt the hay dog to the base chute
top using two 3/8 x 3/4” serrated fl ange bolts and
nuts.
KN-00109

Kuhns Manufacturing (877) 296-5851 20 AF8 Hay Accumulator
9. Attach the main chute using six 3/8 x 3/4”
serrated fl ange bolts and nuts (1) at the bottom
and two 3/8 x 1” carriage bolts (2) with serrated
fl ange nuts at the top. Do not fully tighten the
bolts.
KN-00190
2
1
10. Bolt the chute extensions to the main chute
using two 3/8 x 3/4” carriage bolts with serrated
fl ange nuts on each side. Tighten the bolts to the
proper torque value.
KN-00113
11. Bolt the SMV sign into position using two
5/16 x 3/4” carriage bolts with nylon lock nuts.
Tighten the bolts to the proper torque value.
KN-00114
12. Tighten all the bolts that were previously left
loose to the proper torque value. Tighten the
bolts in the order that they were assembled, as
shown.
KN-00115
2
1
3
6
6
3
4
5
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