Buhler FK302 User Manual

65 Series Rotary Tiller

TABLE OF CONTENTS

DESCRIPTION PAGE

Warranty ..................................................................... 1

Introduction................................................................ 2

SAFETY....................................................................... 3

Safety................................................................ 3

General Safety .................................................. 4

Start Up Safety.................................................. 4

Operation Safety ............................................... 4

Transport Safety................................................ 4

Service & Maintenance Safety .......................... 5

Storage Safety .................................................. 5

Safety Signs...................................................... 5

Safety Sign Installation...................................... 5

ASSEMBLY................................................................. 7

Assembly Instructions ....................................... 7

START UP................................................................... 8

Machine Break-In .............................................. 8

Pre-Operation Checklist .................................... 8

OPERATION ............................................................... 9

Machine Components ....................................... 9

Equipment Matching ......................................... 10

Driveline Dimension .......................................... 11

Attaching/Unhooking ......................................... 13

Field Operation.................................................. 15

Transporting...................................................... 18

Storage ............................................................. 19

Theory of Operation .......................................... 20

MAINTENANCE .......................................................... 21

Service .............................................................. 21

Fluids and Lubricants ........................................ 21

Greasing ........................................................... 21

Servicing Intervals............................................. 22

A-Frame Adjustment ......................................... 24

Tine Replacement ............................................. 24

Slip Clutch......................................................... 25

Clutch Maintenance .......................................... 26

Main Shaft Replacement................................... 27

Troubleshooting ................................................ 28

Bolt Torque ....................................................... 29

65 Series Rotary Tiller

PARTS LISTS

Tiller Drawings and Parts List ........................... 30

PTO (Slip Clutch) Drawing ............................... 36

PTO (Slip Clutch) Parts List (50”,60”, 72”) ........ 37

PTO (Slip Clutch) Parts List (82”)...................... 38

Gearbox Drawing & Parts List (50”,60” & 72”)... 39

Gearbox Drawing & Parts List (82”.................... 40

SHIPPING KIT AND BUNDLE NUMBERS ................. 41

65 Series Rotary Tiller

WARRANTY POLICY

Buhler Manufacturing products are warranted for a period of twelve (12) months (90 days for
commercial application) from original date of purchase, by original purchaser, to be free from
defects in material and workmanship under correct, normal agricultural use and proper
applications.

Buhler Manufacturing’s obligations under this warranty shall be limited to the repair or
exchange, at Buhler Manufacturing’s option, of any Buhler Manufacturing product or part which
proves to be defective as provided. Buhler Manufacturing reserves the right to either inspect
the product at the buyer’s location or have it returned to the factory for inspection.

The above warranty does not extend to goods damaged or subject to accident, abuse or misuse
after shipment from Buhler Manufacturing’s factory, nor to goods altered or repaired by anyone
other than an authorized Buhler Manufacturing representative.

Buhler Manufacturing makes no Express Warranties other than those, which are specifically
described. Any description of goods, including any references and specifications in catalogues,
circulars and other written material published, is for the sole purpose of identifying goods and
shall conform to such descriptions. Any sample or model is for illustrative purposes only and
does not create an Express Warranty that the goods conform to sample or model shown.

The purchaser is solely responsible for determining suitability of goods sold. This warranty is
expressly in lieu of all other warranties expressed or implied. Buhler Manufacturing will in no
event be liable for any incidental or consequential damages whatsoever. Nor for any sum in
excess of the price received for the goods for which liability is claimed.

WARRANTY CLAIMS:

Warranty requests must be prepared on Buhler Manufacturing Warranty Claim Forms with all
requested information properly completed. Warranty Claims must be submitted within a thirty
(30) day period from date of failure repair.

WARRANTY LABOR:

Any labor subject to warranty must be authorized by Buhler Manufacturing. The labor rate for
replacing defective parts, where applicable, will be credited at 100% of the dealer’s posted shop
rate. Defective parts will receive an extra 10% discount to assist with freight or other incidental
costs.

GOVERNMENT LEGISLATION:

Warranty terms and conditions are subject to Provincial or State legislation.

IMPORTANT FACTS:

Buckets and Bucket Tines Carry No Warranty
Bent Spears Carry No Warranty
Snowblower Fan Shafts Carry No Warranty
Mower Blades Carry No Warranty
Portable Auger Parts Have Two (2) Year Warranty
Loader Parts Have Two (2) Year Warranty

IMPORTANT NOTE: This warranty does not apply to rentals

1

65 Series Rotary Tiller

INTRODUCTION

Buhler Farm King has a collection of rotary tiller models to suit your garden and
landscaping needs. The 65 Series Tiller attaches to the 3-point hitch as well as Cat. 1 &
2 Quick Hitch, and is designed to fit a variety of tractors, from 30 hp to 65 hp. Tilling
widths range from 46” to 77” in the 65 Series.

The tilling shaft is equipped with five to eight flanges, depending on the model. Flanges
on all series are available with four tines, and six tines per flange are standard on the 65
series. This provides an optimum balance between performance and durability, even in
heavy soils and when breaking untilled soil.

Standard on all Buhler Farm King Rotary Tillers, the skid shoes are adjustable so it is
easy to set the perfect tilling depth. The automatic chain tightener is standard on all
models. This ensures the chain remains tight even under the toughest tilling conditions.
Housed within a sealed oil bath, the chain tightener is designed to be reliable and
maintenance-free. Getting close to the fences, hedges or covering a tire track is easy
with the side shift feature. The entire unit can be pushed to one side, while the PTO
shaft remains in line with the tractor to minimize stress on the universal joint. The side
shift feature is available on all Buhler Farm King Rotary Tillers except the C6582.

Keep this manual handy for frequent reference. All new operators or owners must
review the manual before using the equipment and at least annually thereafter. Contact
your Buhler Dealer if you need assistance, information, or additional copies of the
manual. Visit our website at

The directions left, right, front and rear, as mentioned throughout this manual, are as
seen facing in the direction of travel of the implement.

www.buhler.com for a complete list of dealers in your area.

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65 Series Rotary Tiller

SAFETY

Remember, YOU are the key to safety. Good safety practices not only protect you, but
also the people around you. Make these practices a working part of your safety
program. Be certain that everyone operating this equipment is familiar with the
recommended operating and maintenance procedures and follows all the safety
precautions. Most accidents can be prevented. Do not risk injury or death by ignoring
good safety practices.

The alert symbol is used throughout this manual. It indicates attention is required and
identifies hazards. Follow the recommended precautions.

The safety alert symbol means…

ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!

CAUTION

The caution symbol 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.

WARNING

The Warning Symbol 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.

DANGER

The Danger Symbol 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.

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65 Series Rotary Tiller

GENERAL SAFETY

Have a first-aid kit available for use and know how to use it.
Have a fire extinguisher available for use and know how to use it.
Wear appropriate protective gear. This list includes but is not limited to:

- a hard hat

- Protective shoes with slip resistant soles

- Protective glasses or goggles

- Heavy gloves

- Wet weather gear

- Hearing protection

- Respirator or filter mask
Read and understand the Operator’s Manual and all safety signs before operating,
servicing, adjusting, repairing, or unplugging the equipment.
Do not attempt any unauthorized modifications to your Buhler product as this could
affect function or safety, and could affect the life of the equipment.
Never start or operate the tiller except from the operator’s station on the power unit.
Inspect and clean the working area before operating.
Keep hands, feet, clothing, and hair away from moving parts.
Ensure bystanders are clear of the area before operating.

START-UP SAFETY

Do not let inexperienced operators or children run this equipment.
Place all tractor and machine controls in neutral before starting.
Operate only with ROPS and seatbelt equipped tractors.
Do not operate inside a building unless there is adequate ventilation.
Ensure all shields are in place and in good condition before operating.
Stay clear of PTO shaft and machine when engaging PTO.

OPERATION SAFETY

Do not permit riders.
Do not wear loose fitting clothing during operation.
Never operate over 540 rpm PTO speed.
Never operate the equipment in the raised position.

TRANSPORT SAFETY

Review Transport Safety instructions in tractor manual before moving.
Check with local authorities regarding transport on public roads. Obey all applicable
laws and regulations. Make sure the SMV (Slow Moving Vehicles) emblem and all the
lights and reflectors that are required by the local highway and transport authorities are
in place, are clean, and can be seen clearly by all overtaking and oncoming traffic.
Never have the equipment in operation during transport.
Always travel at a safe speed.

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65 Series Rotary Tiller

SERVICE AND MAINTENANCE SAFETY

Stop engine, set brake, remove ignition key, and wait for all moving parts to stop before
servicing, adjusting, repairing, or unplugging.
Support the equipment with blocks or safety stands before working beneath it.
Follow good shop practices including

- keep service area clean and dry

- be sure electrical outlets and tools are properly grounded

- use adequate light for the job

Use only tools, jacks, and hoists of sufficient capacity for the job.
Replace and secure all shields removed during servicing before operating.
Use heavy leather gloves to handle sharp objects.

STORAGE SAFETY

Store the unit in an area away from human activity.
Do not permit children to play on or around the stored machine.
Support frame on stands and blocks to provide a secure base.

SAFETY SIGNS

The following illustration shows the approximate location and detail of safety signs.
Keep all safety signs clean and legible and replace any that are damaged or missing.
When original parts are replaced, any safety signs affixed to those parts should be
replaced as well. Replacement safety signs are available from your local dealer.

INSTALLATION OF SAFETY SIGNS

To install safety signs, ensure the installation area is clean and dry. Decide on the
exact position before you remove the backing paper. Remove the smallest portion of
the split backing paper and align over the specified area. Carefully, press in place.
Slowly peel back the remaining paper and smooth the remaining portion in place. Small
air pockets can be pierced with a pin and smoothed out.

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65 Series Rotary Tiller

SAFETY SIGN LOCATIONS - cont'd.

Safety sign “A” Safety sign “B”

Safety sign “C”

Replace safety signs immediately should they become damaged, torn or illegible.
Obtain replacements from your authorized dealer using the part numbers shown.

6

65 Series Rotary Tiller

ASSEMBLY

The machine is shipped with the PTO shaft not installed.

To install the PTO driveline on the machine, follow this procedure:

1. Clear the area of bystanders, especially small children.

2. Clean the splines on the yoke and the input shaft.

3. Align the splines on the yoke and the shaft.

4. Attach the driveline to the tiller by removing the tapered pin and sliding the
yoke onto the gearbox shaft. Line up the pin with the groove in the
gearbox shaft and fasten with the tapered pin. The plastic gearbox PTO
guard has a removable door on top to access the pin. The A-frame brace
can be removed to improve accessibility. Replace the brace after
tightening the nut on the tapered pin.

5. Be sure the yoke is locked in position. Pull on the yoke to be sure the pin
clicks into position.

6. Be sure that the PTO shaft is the appropriate length for the tractor/Tiller
combination. Refer to Driveline Dimension Section for details.

7

65 Series Rotary Tiller

START-UP

MACHINE BREAK-IN

Although there are no operational restrictions on the Tiller when used for the first time, it
is recommended that the following mechanical items be checked:

A. After operating for 1/2 hour or after completing 1/2 acre:

1. Check all nuts, bolts and other fasteners. Tighten to their specified torque
level.

2. Check that the blades are in good condition and bolted securely to the
rotor.

3. Check the oil level in the gearbox. Add as required.

4. Check that the PTO driveline shield turns freely.

5. Lubricate all grease points.

B. After operating for 5 hours and 10 hours:

1. Repeat items 1 through 5 of Section A.

2. Then go to the regular service schedule as defined in Section 5.

PRE-OPERATION CHECKLIST

Efficient and safe operation of the Rotary Tiller requires that each operator reads and
understands the operating procedures and all related safety precautions outlined in this
section. A pre-operation checklist is provided for the operator. It is important for both
personal safety and maintaining the good mechanical condition of the Tiller that this
checklist is followed.

Before operating the machine and each time thereafter, the following areas should be
checked off:

Lubricate the machine per the schedule outlined in the Service and Maintenance
Section.

Use only a tractor of adequate power and weight to pull the machine.

Check that the machine is properly attached to the tractor. Be sure retainers are
used on the mounting pins.

Check the oil level in the gearbox. Add as required.

Check that the PTO driveline shield turns freely and that the driveline can
telescope easily. Clean and lubricate if required.

Check the blades. Be sure they are not damaged or broken and are bolted
securely to the rotor. Repair or replace as required.

Remove any entangled material on rotating parts.

Install and secure all guards, doors and covers before starting.

The four socket set screws on the inside of the PTO clutch assembly must be
turned out as far as they go to engage the clutch.

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65 Series Rotary Tiller

OPERATION

TO THE NEW OPERATOR OR OWNER

The Buhler Farm King 65 Series Rotary Tiller is a machine that combines the primary
and secondary tillage operation into one machine. It breaks up the soil and prepares
the seed bed in one pass. Rotational power to the rotor is provided by the tractor PTO.
Be familiar with the machine before starting.

It is the responsibility of the owner or operator to read this manual and to train all
other operators before they start working with the machine. Follow all safety
instructions exactly. Safety is everyone's business. By following recommended
procedures, a safe working environment is provided for the operator, bystanders
and the area around the work site. Untrained operators are not qualified to
operate the machine.

Many features incorporated into this machine are the result of suggestions made by
customers like you. Read this manual carefully to learn how to operate the machine
safely and how to set it to provide maximum field efficiency. By following the operating
instructions in conjunction with a good maintenance program, your Tiller will provide
many years of trouble-free service.

MACHINE COMPONENTS

The Buhler Farm King 65 Series Rotary Tiller consists of a rotating drum that is
equipped with bent blades for breaking up and leveling soil. The blades are turned
through the soil while the machine moves over the working area. A Drag Shield is used
to maintain a level seedbed. Rotational power to the drum is provided by the PTO on
the tractor. The power is transmitted through the gearbox in the center of the machine
to the chain drive down the side. The A-frame can be moved to offset the machine.

A Point A-frame
B PTO Driveline
C Gear Box
D Chain Drive
E Rotor
F Blades
G Skid Plates

9

65 Series Rotary Tiller

EQUIPMENT MATCHING

To insure the safe and reliable operation of the Tiller, it is necessary to use a tractor
with the correct specifications. Use the following list as a guide in selecting a tractor to
use on the machine.

1. Horsepower: Use Table 1 as a guide in selecting the tractor horsepower

appropriate for your width of machine. Use only small Agricultural tractors on this
machine.

Table 1 Horsepower vs. Width

Model Width Horsepower

50H 4.2 feet 40

(1.3m)

60H 5 feet 45

(1.5m)

72H 6 feet 55

(1.8m)

82H 7 feet 65

(2.1m)

ALERT: Do not exceed the recommended horsepower levels. The use
of horsepower will void the warranty.

2. Tractor Weight:

By following the recommendations for the tractor power, the tractor will have
sufficient weight to provide stability for the unit during field operation or when
transporting. It is also recommended that each tractor be equipped with a full
complement of suitcase weights on the front of the tractor. This will provide the
required weight on the front for turning and extra traction if equipped with front
wheel assist.

3. 3 Point Hitch:

The Tiller is equipped with a Category 1, 3-point hitch. Be sure the tractor 3­point hitch is in the Category 1 configuration. Install the lift arm blocks or shorten
the stop chains to place the arms into the non-sway configuration. Refer to the
tractor manual for details.

4. Load Sensing Hydraulics:

Many newer tractors are equipped with “Load Sensing” hydraulics. It is the
responsibility of the operator to set the tractor hydraulic system to provide “float”
on the 3-point hitch. Refer to Tractor Manual for details. The float feature will
allow the machine to follow the ground contours during operation.

5. PTO Shaft:

The tractor must have a 1 3/8” 6 spline 540 rpm PTO shaft to fit the driveline
shaft supplied with the machine. Do not use shaft adapters or operate at any
other speed. It is not recommended that a tractor with variable speed PTO’s be
used on the Tiller. Operating at speeds faster than 540 rpm will overload the
drivetrain and lead to early failures.

Attach the safety chains supplied with the PTO shaft, allowing sufficient slack for
the driveline during turns and operation. Check booklet attached to the PTO for
instructions.

10

65 Series Rotary Tiller

DRIVELINE DIMENSION

A PTO driveline is supplied with the machine. To accommodate the variety of 3 point
hitch geometry available today, the driveline can be too long for some machines and
must be cut. It is very important that the driveline be free to telescope but not bottom
out when going through its working range. If the driveline bottoms out, the bearings on
both the machine and tractor PTO shaft will be overloaded and fail in a short time.

If cutting the drive is necessary, follow this procedure:

1. Clear the area of bystanders, especially small children.

2. Attach the Tiller to the tractor but do not attach the driveline.

3. Raise the implement until the input gearbox shaft is at the closest point to the
tractor output shaft.

.4. In this position, measure the dimension between the locking groove on the tractor

output shaft and the groove on the Tiller input shaft.

5. Now measure the pin to pin dimension on the compressed driveline.

6. If the driveline pin to pin dimension (B) exceeds the groove to groove dimension,
the driveline should be cut.

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65 Series Rotary Tiller

DRIVELINE DIMENSION – cont’d.

7. To determine how much to cut off the PTO shaft ends, calculate “x” using the
following formulas and the dimensions “A” and “B” from the previous steps.

X = B – A + ½”.

Pull the driveline apart and cut off the dimension determined “X” from each end.

8. Be sure to use a hacksaw to cut from each end of the separated shaft. Cut both
the plastic tube and the metal cores.

9. Use a file to remove the burrs from the edges that were cut.

10. Assemble the two ends of the shaft.

11. Make sure that the shaft can telescope freely. If it does not, separate the two
parts and inspect for burrs or cuttings on the shaft ends. Be sure it telescopes
freely before installing.

12. Make sure the plastic covering shield is free to rotate on the shaft before
installing on the machine.

12

65 Series Rotary Tiller

ATTACHING/UNHOOKING

The Tiller should always be located on a level, dry area that is free of debris and other
foreign objects. When attaching the machine to a tractor, follow this procedure:

1. Clear the area of bystanders, especially small children.

2. Be sure the tractor 3 point hitch is in the Category 1 configuration and the lift
arms are in the non-sway configuration (See tractor manual).

3. Make sure there is enough room and clearance to safely back up to the Tiller.

4. Attach the PTO driveline to the Tiller if it was removed for storage (See
Assembly).

5. While backing up, align the lift arm balls with the mounting pins on the Tiller.

ALERT: It may be necessary to add weight to the 3 point hitch to lower
the lift arms.

6. Stop tractor, set park brake, remove ignition key and wait for all moving parts to
stop before dismounting.

7. If your tractor is not equipped with a Quick Hitch:
a. Align the left lower link arm with the mounting pin.
b. Slide the ball over the pin and install the Linch Pin.
c. Use the screw jack on the right lift arm to align the ball with the pin.
d. Slide the ball over the mounting pin and install the Linch Pin.
e. Level the frame using the screw jack.
f. Remove retainer and pin from the mast.
g. Align top link using the turnbuckle.
h. Insert pin and install Linch Pin
i. Level frame using the turnbuckle.

8. If your tractor is equipped with a Quick Hitch:
a. Set the height of the 3 point hitch so the Quick Hitch claws are lower than

the mounting pins.

b. Be sure the 3 point hitch is set in the non-sway position (See tractor

manual for details.)
c. Align the claws under the mounting pins while backing up.
d. When the claws are under the pins, slowly raise the 3 point hitch. Be sure

each of the mounting pins seat in their respective claw.
e. Release the claw retainer locks to secure the mounting pins in the claws.

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65 Series Rotary Tiller

ATTACHING/UNHOOKING – cont’d.

9. Attach the PTO driveline:
a. Check that the driveline telescopes easily and that the shield rotates

freely.

CAUTION: Be sure that the driveline does not bottom out when going

through its working angles.

b. Attach the driveline to the tractor by retracting the locking pin, slide the

yoke over the shaft and push on the yoke until the lock pin clicks into
position. Pull on the yoke to be sure it is locked in position.

c. Attach the anchor chain on the driveline shield to the frame.

10. Use the 3 point hitch to raise the machine.

11. Unpin the front frame stand. Raise and pin in its storage position.

12. Remove the blocks from under the Depth Gauge Shoes.

13. Reverse the above procedure when unhooking from the tractor.

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65 Series Rotary Tiller

FIELD OPERATION

Buhler Farm King 65 Series Rotary Tillers are designed with the inherent flexibility of
operating well in almost any kind of soil and terrain conditions. However, the operator
has the responsibility of being familiar with all operating and safety procedures and
following them.

Each operator should review this section of the manual at the start of the season and as
often as required to be familiar with the machine. When using, follow this procedure:

1. Review and follow the pre-operation Checklist. Review Safety Instructions.

2. Attach the tractor to the machine.

3. Before going to the field review Transporting Section.

4. Pull into the field and position the machine in a level area.

5. Lower into working position.

6. Set the machine:
a. Level the frame:

Use the screw jack on the right lift arm to level the frame from side-to-side.

b. Depth: Use the Depth Gauge Shoes on each side to set the operating

depth. Position the Depth Gauge Shoes in the top hole for shallow tilling
and in the bottom hole for deep tilling.
ALERT: In soft soil conditions, the skid plates become less effective and
sink into the ground. Use the turnbuckle on the top link to set the frame
angle so the bottom of the Depth Gauge Shoes are level when operating.

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65 Series Rotary Tiller

FIELD OPERATION - cont'd.

c. Offset:

The Category Pin Brackets can be moved 3 to 4 inches along the Deck
Assembly to either side of center if required. Center the machine for
normal operation. Offset if the tire tracks are wider than the machine or
when tilling around trees, bushes or other areas.
ALERT: Sliding offset feature not available in the 82” model.

d. Drag Shield:

Adjust the chain in the Adjustment Bracket to set the height of the Drag
Shield. Set the Drag Shield to just contact the tilled soil when operating.

7. Align the unit with the working area.

8. Starting machine:
a. Run the engine at low idle.
b. Slowly engage the PTO control to start the machine.
c. Slowly bring the engine to the rated PTO speed. Never exceed rated

speed.

d. Lower the machine to the ground and proceed down the field.

9. Stopping machine:
a. Slowly decrease engine speed to low idle.
b. Raise machine out of the ground.
c. Disengage PTO clutch slowly.

CAUTION

park brake
remove ignition key and wait for all moving parts to stop before
dismounting.

10. Ground Speed:
Travel speed can vary between 2 and 5 mph (3 and 8 km/h) depending on the
soil and terrain conditions. It is the responsibility of the operator to note the
condition of the job being done and set the speed to obtain a quality tilling job
and maintain control of the machine. The speed can be increased to optimize
tilling. Decrease speed if you want the soil worked to a finer texture.

: Place all controls in neutral, lower machine, stop engine, set

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65 Series Rotary Tiller

FIELD OPERATION - cont'd.

11. Operating hints:

a. Determine the moisture content of the soil before starting. Soil that is too

wet will "ball-up" in the rotor blades making tilling impossible. Sandy soils
normally can be worked better than heavy clay or loam soils. It is the
responsibility of the operator to determine the soil type and moisture
content before starting. It may be necessary to wait for the soil to dry out
before starting to work.

b. Set the length of the Top Link to obtain the quality of the job desired

without needlessly using power and fuel in churning the soil. Use the
condition of the seedbed as your guide.

c. When tilling hard or compacted soils, it is recommended that two passes

be used when working. Use the Depth Gauge Shoes on each side of the
frame to adjust the tilling depth of the machine. The second pass should
be made at an angle to the first to give a consistent job and minimize
compaction.

d. Always remove heavy crop cover, all grass and weeds, before starting to

prevent rotor plugging.

e. The rotation of the Tines propel the machine in the forward direction.

Always use the tractor transmission to control the speed of forward travel.

f. Always disengage the PTO control and raise the machine out of the

ground before depressing the master clutch on the tractor.

g. Use low gear on the tractor to start the job. Increase the speed of forward

travel only as the quality of the job and power available will allow.

h. If the slip clutch slips, reduce the ground speed or raise the machine

slightly out of the ground.

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65 Series Rotary Tiller

TRANSPORTING

When transporting the machine, review and follow these instructions:

1. Be sure all bystanders are clear of the machine.

2. Be sure that the machine is securely attached to the tractor and all retainer pins
are installed.

3. Clean the SMV emblem, lights and reflectors and be sure they are working.

4. Be sure you are in compliance with all applicable lighting and marking
regulations when transporting. Check with your local authorities.

5. Be sure your machine can clearly be seen by overtaking and oncoming traffic.

6. Keep to the right and yield the right-of-way to allow faster traffic to pass. Drive
on the road shoulder if permitted by law.

7. Do not allow riders.

8. Always use hazard flashers on the tractor when transporting unless prohibited by
law.

9. Use pilot vehicles front and rear when transporting during times of limited
visibility.

10. Never transport the machine faster than 20 mph (32 km/h). The ratio of the
tractor weight to the Tiller weight plays an important role in defining acceptable
travel speed. Table 2 summarizes the recommended travel speed to weight
ratio.

Table 2 Speed vs. weight Ratio

Weight of fully equipped
or loaded implement(s)
relative to weight of
Road Speed towing machine

Up to 32 km/h 1 to 1, or less
(20 mph)

Up to 16 km/h 2 to 1, or less
(10 mph)

Do not tow More than 2 to 1

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65 Series Rotary Tiller

STORAGE

After the season's use, the machine should be thoroughly inspected and prepared for
storage. Repair or replace any worn or damaged components to prevent any
unnecessary down time at the start of next season. To insure a long, trouble free life,
this procedure should be followed when preparing the unit for storage:

1. Clear the area of bystanders, especially small children.

2. Thoroughly wash the machine using a pressure washer to remove all dirt, mud,
debris and residue.

3. Inspect the blades and rotors for damage or entangled material. Repair or
replace damaged parts. Remove all entangled material.

4. Change the oil in the gear box.

5. Lubricate all grease fittings. Make sure that all grease cavities have been filled
with grease to remove any water residue from the washing.

6. Touch up all paint nicks and scratches to prevent rusting.

7. Move to storage area.

8. Select an area that is dry, level and free of debris.

9. Place blocks under the Depth Gauge Shoes.

10. Unhook from tractor.

11. If the machine cannot be placed inside, cover with a waterproof tarpaulin and tie
securely in place.

12. Store the machine in an area away from human activity.

13. Do not allow children to play on or around the stored machine.

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65 Series Rotary Tiller

THEORY OF OPERATION

20

65 Series Rotary Tiller

MAINTENANCE

SERVICE

Follow Maintenance Safety Instructions as outlined in Maintenance Safety.

FLUIDS AND LUBRICANTS

1. Hydraulic Oil:

Use standard hydraulic oil for all operating conditions.

2. Gear Box Oil:

Use an SAE 85W90 gear oil for all operating conditions.

Gear Box Capacity: 1 U.S. quart (0.85 liter)

3. Chain Case Grease:

Use a multi purpose grease for all operating conditions.
If chain case is removed, refill with 800 grams of grease.

4. Storing Lubricants:
Your machine can operate at top efficiency only if clean lubricants are used. Use
clean containers to handle all lubricants. Store them in an area protected from
dust, moisture and other contaminants.

GREASING

Use a Maintenance Checklist to keep a record of all scheduled maintenance.

1. Use a hand-held grease gun for all greasing.

2. Wipe grease fitting with a clean cloth before greasing, to avoid injecting dirt and
grit.

3. Replace and repair broken fittings immediately.

4. If fittings will not take grease, remove and clean thoroughly. Also clean lubricant
passageway. Replace fitting if necessary.

21

65 Series Rotary Tiller

SERVICING INTERVALS

The periods recommended below are based on normal operating conditions. Severe or
unusual conditions may require more frequent lubrication or oil changes.

8 Hours or Daily; Telescoping Tubes and Quick Disconnect 20 Hours

1. Lubricate PTO driveline (7 locations).

ALERT: When using the safety chains supplied with the PTO shaft, the
shield bearings must be kept lubricated.

80 hours or once a season:

2. Lubricate rotor driven end

Bearing (1 location)

3. Lubricate rotor drive end

bearing
(1 location).

4. Lubricate chain drive

bearing
(1 location)

- use 3 squirts only

- push grease in gradually

22

65 Series Rotary Tiller

SERVICING INTERVALS – cont’d.

40 Hours

1. Check gearbox oil level.

Add as required

2. Add approximately 10 squirts

of grease in chain case.

Annually

1. Change gear box oil. Refill with SAE 85W90 gear oil.

2. Wash machine.

23

65 Series Rotary Tiller

MAINTENANCE

By following a careful service and maintenance program for your machine, you will
enjoy many years of trouble-free operation.

A-FRAME ADJUSTMENT

When moving the hitch along the front frame to adjust the offset, follow this procedure:

1. Clear the area of bystanders, especially small children.

2. Raise the machine so it is slightly out of the ground.

3. Loosen the U-bolts through the Category Pin brackets.

4. Slide the hitch along the Deck until the machine is set at the desired

offset.

5. Tighten the U-bolts to their specified torque.

TINE REPLACEMENT

When the Tines are damaged in any way, they will need to be replaced. When
replacing, follow this procedure:

1. Clear the area of bystanders, especially small children.

2. Raise the machine until the Tines are slightly above the ground.

3. Stop engine, set park brake, remove ignition key and wait for all moving

parts to stop before dismounting.

4. Place blocks under each Depth Gauge Shoe to support the machine.

5. Raise the Drag Shield and secure in the up position.

6. Wear leather or heavy canvas gloves when handling Tines.

7. Remove mounting bolts from Tines.

ALERT: An alternate method would be to disconnect the machine from

the tractor and tip it forward on its nose.

8. Install a new replacement blade and tighten the mounting bolts to their

specified torque.

9. Lower the rear gate.

10. Remove the blocks under the skid plates.

24

65 Series Rotary Tiller

SLIP CLUTCH

During normal operation, the slip clutch can release and slip when encountering an
obstruction or when overloaded. It is designed to slip when the load exceeds 3 times its
nominal rating. When the clutch slips too frequently during normal operating conditions,
it is necessary to replace the clutch linings. NOTE: The PTO shafts are shipped with
the slip clutch disengaged. There are four socket set screws on the inside of the clutch
assembly, which are turned out as far as they go to engage the clutch. Disengage
clutch by turning set screws in fully.

To replace clutch linings, follow this procedure:

1. Disengage the clutch by turning the four set screws all the way in.

2. Remove the outside bolts from the clutch assembly and replace the clutch
linings.

3. When re-tightening the bolts, stop when the clutch spacer starts to touch the
clutch plates. You should be able to just move the spacer by hand when you
have the correct bolt torque.

4. Engage clutch by turning out set screws after assembly is complete.

25

65 Series Rotary Tiller

CLUTCH MAINTENANCE

1. Before first use or after storage of more than one month, the clutch should be
checked.

2. Disengage clutch by turning in the four socket set screws.

3. Run the PTO at low idle to slip the clutch linings. This will help remove the dirt,
corrosion, and surface gloss from the clutch plates and also ensure that the
linings are loose.

4. Engage the clutch by turning out the socket set screws.

5. Normally the clutch will slip at a 20% higher torque after the “run in” than before.

6. Check the temperature of the clutch after running for 20 minutes and every 8
hours after that. If the clutch is hot to the touch or smokes, check that the
outside bolts are correctly tightened as explained in slip clutch section. If clutch
still slips, linings may have to be replaced.

26

65 Series Rotary Tiller

REPAIR

MAIN SHAFT REPLACEMENT

The main shaft is designed with a replaceable Final Drive Assembly on the driven end.
This feature keeps the cost of repairs down should replacement be required and makes
main shaft replacement easier.

When replacing the Final Drive Assembly, follow this procedure;

1. Clear the area of bystanders, especially small children.

2. Unhook from the tractor.

3. Remove the driveline and store to the side.

4. Remove the chain cover, the chain and the sprocket.

5. Use 2 people or a hoist to tip the machine forward on its nose.

6. Life the Drag Shield up and lay forward.

7. Remove the mounting bolts connect the Main Shaft to the Final

Drive Assembly.

8. Wear leather or heavy canvas gloves when handling the

Main Shaft and Tines.

9. Remove the Final Drive Assembly from the machine.

10. Install the replacement part.

11. Install and tighten the connecting bolts to their specified torque.

12. Install the sprocket and chain.

13. Tip the machine into the upright position.

14. Refill the chain cover with approximately 800 grams of

multi-purpose grease.

15. Use gasket compound and replace the chain cover.

16. Be sure all fasteners are tightened to their specified torque.

27

65 Series Rotary Tiller

TROUBLE SHOOTING

The Buhler Farm King 65 Series Rotary Tiller moves curved Tines on a turning rotor
through the ground to break it up and prepare a seed bed. It is a simple and reliable
system that requires minimal maintenance.

In the following section, we have listed many of the problems, causes and solutions to
the problems that you may encounter.

If you encounter a problem that is difficult to solve, even after having read through this
trouble shooting section, please call your local Buhler Farm King distributor dealer.
Before you call, please have this Operator's Manual and the serial number from your
Tiller ready.

PROBLEM CAUSE SOLUTION

Rotor won't Slip clutch slipping. Check that clutch is engaged
turn. or replace friction plates. or replace friction plates.

PTO clutch slipping. Set PTO clutch. See

tractor manual.

Broken drive chain. Repair or replace chain.

****

Untilled 3 point hitch not set. Set 3 point hitch in
ground behind float. See tractor
machine. manual.

Traveling too fast. Travel slower.

Ground very hard. Slow down. Make
2 passes.

Machine not leveled. Adjust screw jack
on 3 point arm.

Adjust Depth Gauge
Shoes.

****

Seed bed lumpy. Traveling too fast. Slow down.
Make 2 passes.

****

Uneven seed bed. Machine not level. Level machine.

Drag Shield too high. Adjust Drag Shield.

28

65 Series Rotary Tiller

29

65 Series Rotary Tiller

50”, 60” & 72” SERIES TILLERS

30

65 Series Rotary Tiller

50”, 60” & 72” “65” SERIES TILLERS

31

65 Series Rotary Tiller

82” “65” SERIES TILLER ONLY

32

65 Series Rotary Tiller

PARTS LIST

WHEN ORDERING PARTS

Always give your dealer the Model, Color and Serial Number of your machine to assist
him in ordering and obtaining the correct parts. Use the exploded view and tabular
listing of the area of interest to exactly identify the required part.

50", 60", 72", & 82" 65 Series Tillers

Item Part # Description

1 906904 Chain Guard
2 967164 Pound-In Grease Fitting
3 912300171 100B16 Sprocket
4 959221 Bottom Sprocket Spacer 3 1/2"OD x 1.07"
5 81592 3/8" Hex Nut
6 903193 Cat. Pin Bracket Weldment - Right
7 906312 100H Roller Chain (38 Link w/ Connector)
8 912301557 1 5/8" Retainer Ring

9 912300170 100B11 Sprocket
10 912301556 1 3/4" Retainer Ring
11 982000500 Side Stand Weldment
12 912301660 Snapper Clip
13 982006422 1 5/8" Oil Seal Plate
14 967363 1 5/8" Four Bolt Flange Bearing

967364 1 5/8" Bearing Only
15 967361 7/8" X 4" Clevis Pin
16 965911 7/16" Linch Pin
17 906297 Deck Weldment (50")

906298 Deck Weldment (60")

906299 Deck Weldment (72")

906300 Deck Weldment (82")
18 959227 1 5/8" Hex Shaft (50")

959228 1 5/8" Hex Shaft (60")

959229 1 5/8" Hex Shaft (72" & 82")
19 84268 5/8" x 1 1/2" Hex Bolt (pl)
20 967372 5/8" U-Bolt
21 903171 Spacer 1.05" OD x 2 1/4"
22 982505211 Drive Shaft Shield (50")

982605211 Drive Shaft Shield (60")

982725211 Drive Shaft Shield (72")
23 982505311 Drive Shaft Shield (50")

982605311 Drive Shaft Shield (60")

982725311 Drive Shaft Shield (72")

33

65 Series Rotary Tiller

24 982825212 Drive Shaft Shield (82")
25 F0354 PTO Shaft w/ Slip Clutch (50", 60", & 72")

F0355 PTO Shaft w/ Slip Clutch (82" only)
26 967392 Gearbox PTO Guard (50", 60", & 72")

912300160 Gearbox PTO Guard (82")
27 982005111 Drive Shaft Shield Mount
28 967558 S4073 Gearbox (50", 60", & 72")

912300159 4083 F Gearbox (82" only)
29 903320 Drive Shaft Shield (50", 60", & 72")
30 982825221 Drive Shaft Shield (82")
31 968632 1 1/2" - Four Bolt Flange Bearing

967295 1 1/2" Bearing only (Greasable)
32 982000350 Left Depth Gauge Shoe Weldment
33 982000300 Right Depth Gauge Shoe Weldment
34 982006400 Right Shaft Cover Cone
35 982506200 Main Shaft - 6 Tine (50")

982606200 Main Shaft - 6 Tine (60")

982726200 Main Shaft - 6 Tine (72")

967421 Main Shaft - 4 Tine (50")

967422 Main Shaft - 4 Tine (60")

967423 Main Shaft - 4 Tine (72")

982826200 Main Shaft - 6 Tine (82")

967424 Main Shaft - 4 Tine (82")
36 81593 3/8" Lock Washer
37 982000471 1/4" x 14 Link Chain
38 967357 Drag Shield Lift Bracket
39 903187 Cat. Pin Bracket Weldment - Left
40 909715 Drag Shield Hinge Rod (50'')

909712 Drag Shield Hinge Rod (60'')

909716 Drag Shield Hinge Rod (72'')

909717 Drag Shield Hinge Rod (82'')
41 967379 Final Drive Assembly - 6 Tine

967420 Final Drive Assembly - 4 Tine
42 909733 Drag Shield (50")

909734 Drag Shield (60")

909735 Drag Shield (72")

909736 Drag Shield (82")
43 967485 Tine Right
44 967486 Tine Left
45 982006322 1 3/4" Oil Seal Plate (6 1/2" x 6 1/2")
46 959220 Top Sprocket Spacer 3"OD x 1.07"
47 967374 2" Four Bolt Flange Bearing

967375 2" Bearing only
48 967393 Left Bearing Cover Cone
49 912303600 1 3/4" Oil Seal

34

65 Series Rotary Tiller

50 912303601 1 5/8" Oil Seal
51 982000341 Depth Gauge Shoe Bracket
52 907306 LH Side Plate Assy
53 982005711 Tension Spring
54 967378 Chain Tensioner Weldment
55 81525 1/4" X 3/4" Hex Bolt
56 84498 1/4" Lock Nut
57 81627 1/2" X 3" Hex Bolt
58 81637 1/2" Lock Washer
59 81636 1/2" Hex Nut
60 967122 5/8" X 2 1/4" Hex Bolt Grade 8
61 812482 5/8" Lock Nut
62 84270 5/8" X 1 3/4" Hex Bolt
63 812763 1/2" X 1 1/2" Hex Bolt Grade 8 (NF)
64 812764 1/2" X 2" Hex Bolt Grade 8 (NF)
65 812765 1/2" Hex Nut Grade 8 (NF)
66 81659 5/8" X 1" Hex Bolt (NC)
67 81677 5/8" Lock Washer
68 84277 1/2" X 1 1/2" Hex Bolt
69 812364 1/2" Lock Nut
70 86171 3/8" X 1 1/4" Hex Bolt
71 84000 3/8" B.S. Flat Washer
72 84072 3/8" X 3/4" Hex Bolt
73 812363 3/8" Lock Nut
74 81549 5/16" X 3/4" Hex Bolt
75 81569 5/16" Lock Washer
76 9812767 1/2" Lock Washer Grade
77 965807 Cat. 1 Top Link Pin
78 81676 5/8" Hex Nut
79 84048 1/2'' Flat Washer
80 81620 1/2" X 1 1/4" Hex Bolt
81 86170 3/8" X 1" Hex Bolt
82 903175 A-Frame Bottom Weldment
83 903179 A-Frame Top - Right Hand
84 903180 A-Frame Top - Left Hand
85 903181 A-Frame Brace Plate

86 811790 3/4" x 4 1/2" Hex Bolt
87 81700 3/4" Hex Nut
88 81701 3/4" Lock Washer
89 87553 1/2" X 1 3/4" Hex Bolt
90 81568 5/16" Hex Nut
91 909277 Manual Holder
92 9812432 1 1/4'' Cotter Pin
93 812026 5/16" x 1" Hex Bolt

35

65 Series Rotary Tiller

65 SERIES TILLER PTO (SLIP CLUTCH)

(50”, 60”, 72” & 82”)

36

65 Series Rotary Tiller

65 SERIES TILLER PTO PARTS LIST (SLIP CLUTCH) - 50'', 60'' & 72''

ITEM PART NO. DESCRIPTION

F0354 Shaft Complete
908262 Outer Half Shaft - Tractor

936527 Inner Half Shaft - Implement
1 908259 Quick Disc Yoke - RS
2 966236 Repair Kit
3 936352 Outer Tube Yoke
4 936358 Flexible Pin
5 936368 Outer Cardan Tube
6 936369 Inner Cardan Tube
7 936359 Flexible Pin
8 936353 Inner Tube Yoke
9 936564 Torque Limit

10 966234 Outer Shield Collar
11 966232 Outer Shield Cone Set
12 936370 Outer Shield Safety Tube
13 936371 Inner Shield Safety Tube
14 936518 Inner Shield Cone Set
15 966235 Inner Shield Collar
16 907192 Ball & Collar Kit
17 910-075 Taper Pin Kits
18 936524 Spring Set
19 936520 Clutch Plate
20 936521 Clutch Lining
21 936523 Hub C/W Q.D.
22 936522 Thrust Plate
23 936519 Clutch Screw
24 936402 Complete Safety Chain
25 966223 Antifriction Sleeve
26 936526 Spacer

*27 936512 Set Screw

* Set Screw should be backed out all the way to engage clutch

37

65 Series Rotary Tiller

65 SERIES TILLER PTO PARTS LIST (SLIP CLUTCH) - 82'' ONLY

ITEM PART NO. DESCRIPTION

F0355 Shaft Complete

908263 Outer Half Shaft - Tractor

936530 Inner Half Shaft - Implement
1 908260 End Yoke - RS
2 910-036 Repair Kit
3 910-039 Outer Tube Yoke
4 910-040 Flexible Pin
5 910-044 Outer Cardan Tube
6 910-045 Inner Cardan Tube
7 910-042 Flexible Pin
8 910-048 Inner Tube Yoke
9 936528 Torque limiter FT42

10 910-046 Outer Shield Collar
11 966232 Outer Shield Cone Set
12 910-052 Outer Shield Safety Tube
13 910-053 Inner Shield Safety Tube
14 936518 I. Cone Set
15 910-055 Inner Shield Collar
16 907192 Ball & Collar Kit
17 910-075 Taper Pin Kits
18 936524 Spring Set
19 936529 Clutch Plate
20 936521 Clutch Lining
21 936523 Hub C/W Q.D.
22 936522 Thrust Plate
23 936519 Clutch Screw
24 936402 Complete Safety Chain
25 966223 Antifriction Sleeve
26 936526 Spacer

*27 936512 Set Screw

* Set Screw should be backed out all the way to engage clutch

38

65 Series Rotary Tiller

50'', 60'', & 72'' 65 SERIES TILLER GEARBOX PARTS LIST

ITEM PART NO. DESCRIPTION QUANTITY

967558 Gearbox Assembly
1 967395 Housing 1
2 967396 Hex Shaft 1
3 967397 Cover 1
4 967305 Snap Ring, 1.80, DIN 472 2
5 967398 Snap Ring Din 472/1 2
6 967399 Snap Ring Din 471/2 1
7 967400 Ring As Required
8 967401 Ring As Required
9 967402 Ring As Required

10 967340 Ring, 85.2 x 94.7 x .3 As Required
11 967342 Ring, 85.2 x 94.7 x .5 As Required
12 967343 Ring, 85.2 x 94.7 x .2 As Required
13 967328 Ball Bearing 6012 1
14 966555 Ball Bearing 6208 1
15 967404 Cone & Cup Bearing 1
16 967330 Cone & Cup Bearing 1
17 967332 Oil Seal, 60 x 95 x 10 2
18 967405 Oil Seal 1
19 967312 Oil Plug, 3/8" DIN 906 3
20 967406 Gear Set 1

39

65 Series Rotary Tiller

82'' 65 SERIES TILLER GEARBOX PARTS LIST

ITEM PART NO. DESCRIPTION QUANTITY

912300159 Gearbox Assembly
1 967280 Housing 1
2 967323 Hex Shaft, 41.15mm Dia. 1
3 967281 Cover, 160mm Dia. 1
4 967325 Snap Ring E.45, DIN 471/2 1
5 967326 Snap Ring, I.95, DIN 472/2 2
6 967335 Ring, 45.2 x 54.8 x .6 As Required
7 967336 Ring, 45.2 x 54.8 x .8 As Required
8 967337 Ring, 45.2 x 54.8 x 1.0 As Required
9 967338 Ring, 45.2 x 54.8 x .3 As Required

10 967339 Ring, 45.2 x 54.8 x .4 As Required
11 967340 Ring, 85.2 x 94.7 x .3 As Required
12 967341 Ring, 85.2 x 94.7 x .4 As Required
13 967342 Ring, 85.2 x 94.7 x .5 As Required
14 967343 Ring, 85.2 x 94.7 x .2 As Required
15 967344 Ring, 85.2 x 94.7 x .1 As Required
16 967327 Ball Bearing, 6209 1
17 967328 Ball Bearing, 6012 1
18 967329 Cone & Cup Bearing, 30209 1
19 967330 Cone & Cup Bearing, 32012 1
20 967331 Oil Seal, 45 x 85 x 10 1
21 967332 Oil Seal, 60 x 95 x 10 2
22 967312 Oil Plug, 3/8" gaz. DIN 906 3
23 967334 Bevel Gear Set, R=1.192 1

40

65 Series Rotary Tiller

SHIPPING KIT AND BUNDLE NUMBERS

The following is a list of Kit Numbers for this product and the Bundle Numbers,
Descriptions, and Quantities for Each Kit.

QUANTITY BUNDLE NO. DESCRIPTION

C6550 50” Tiller c/w PTO

1 F0857 Deck Assembly

C6560 60” Tiller c/w PTO

1 F0859 Deck Assembly

C6572 72” Tiller c/w PTO

1 F0861 Deck Assembly

C6582 82” Tiller c/w PTO

1 F0863 Deck Assembly

C6550-4 50” Tiller 4-Tine c/w PTO

1 F0858 Deck Assembly

C6560-4 60” Tiller 4-Tine c/w PTO

1 F0860 Deck Assembly

C6572-4 72” Tiller 4-Tine c/w PTO

1 F0862 Deck Assembly

C6582-4 82” Tiller 4-Tine c/w PTO

1 F0864 Deck Assembly

The following is a list of options available for the Kits listed above.

OPTIONAL BUNDLE NUMBERS

902676 Adaptor Kit

41

NOTES

Farm King Division
301 Mountain Street S.
Morden, MB R6M 1X7
Ph.: [phone]
Fax: [phone]

Allied/Inland Division
1260 Clarence Avenue
Winnipeg, MB R3T 1T2
Ph.: [phone]
Fax: [phone]

B.I.I. Division
1330 43

rd

Street N.W.
Fargo, ND 58102
Ph: [phone]
Fax: [phone]

B.C., Abbotsford
[phone]

AR, West Memphis
[phone]

GA, Stone Mountain
[phone]

ID, Meridian
[phone]

IN, Clarksville
[phone]

KS, Wichita
[phone]

MN, Lakeville
[phone]

MT, Billings
[phone]

ND, Bismarck
[phone]

ND, Fargo
[phone]

NE, Blair
[phone]

OH, Youngstown
[phone]

OR, Beaverton
[phone]

SD, Huron
[phone]

TX, Houston
[phone]

UT, Salt Lake City
[phone]

WI, Portage
[phone]

AB, Edmonton
[phone]

SK, Regina
[phone]

ON, Woodstock
[phone]

QC, Dorion
[phone]

Buhler Manufacturing

301 Mountain Street S.
Morden MB.
R6M 1X7
Ph.: [phone]
Fax: [phone]

www.buhler.com

Burando Hill
Katanning
W. Australia
011-618-98-214422

Chihuahua, Mexico

011-52-158-90306

John Kerr Equipment Ltd.
Wilcoxholm Farm
Linlithgow, W. Lothian
Scotland
011-441-506-842280

Skovde, Sweden
011-46-500-452651

Naestved, Denmark
011-45-557-29511

Printed in Canada