Buhler FK372 User Manual
Series 1 Rotary Cutter
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
Chain Kit Assembly Instructions........................7
OPERATION ...............................................................8
Operating Instructions....................................... 8
Theory of Operation..........................................9
MAINTENANCE ..........................................................10
Service..............................................................10
Bolt Torque .......................................................11
PARTS LISTS
4’ & 5’ Series 1 Rotary Cutter Drawing..............12
4’ & 5’ Series 1 Rotary Cutter Parts List............13
Series 1 Rotary Cutter Chain Kit.......................15
Rotary Cutter PTO Shaft................................... 16
Model #410 Series 1
Rotary Cutter Gearbox Drawing.............17
Model #410 Series 1
Rotary Cutter Gearbox Parts List ...........18
Model #510 Rotary Cutter Gearbox Drawing....19
Model #510 Rotary Cutter Gearbox Parts List ..20
SHIPPING KIT AND BUNDLE NUMBERS.................21
Series 1 Rotary Cutter
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
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Series 1 Rotary Cutter
INTRODUCTION
The Buhler Farm King Series 1 Rotary cutter available in 48” and 60” and is equipped
with a 3-point hitch. The 3-point hitch is Buhler Quick Hitch compatible so it is easy to
attach and unhook. 3-point hitch models include a single solid rubber training wheel.
Buhler Farm King Rotary Cutters are built tough and made to last. The blades are heattreated to enhance rigidity and the heavy-duty gearbox is designed to be rugged and
durable. The access panel on the deck makes it easy to inspect or replace the blades.
An optional chain kit minimizes the possibility of flying debris.
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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Series 1 Rotary Cutter
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.
T
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.
he safety alert symbol means…
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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Series 1 Rotary Cutter
GENERAL SAFETY INSTRUCTIONS
Have a first-aid kit available for use and know how to use it. Have a fire extinguisher
available, stored in a highly visible location, and know how to use it. Wear appropriate
protective gear. This list may include but is not limited to:
- 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. Inspect and clean the working area before
operating. 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 Vehicle) 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.
Inflate transport tires to recommended pressure.
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Series 1 Rotary Cutter
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 serving before operating.
Use heavy leather gloves to handle sharp objects.
Check hydraulics regularly for leaks. Use cardboard to look for leaks, and use hand
and eye protection.
Relieve pressure on hydraulic system before repairing or adjusting.
Failure to follow proper procedures when mounting a tire on a wheel or rim can produce
an explosion, which may result in serious injury or death.
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 the 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
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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Series 1 Rotary Cutter
SERIES 1 ROTARY CUTTER SAFETY SIGNS
Replace safety sign immediately should it become damaged, torn or illegible. Obtain
replacements from your authorized dealer using the part numbers shown.
#1 #4
#2 #3
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