Farm King I Series Product manual

Rotary Cutter
Series I
OPERATOR AND PARTS MANUAL
092013 FK372

3
Table of Contents - Series I Rotary Cutter
Table of Contents
Introduction .................................................................................................................................5
Safety............................................................................................................................................6
• Safety Instruction.............................................................................................................6
• General Safety..................................................................................................................7
• Start-up Safety .................................................................................................................7
• Operation Safety ..............................................................................................................7
• Transport Safety...............................................................................................................7
• Service and Maintenance Safety ....................................................................................8
• Storage Safety..................................................................................................................8
• Safety Signs .....................................................................................................................8
• Safety Sign Installation ...................................................................................................8
Assembly....................................................................................................................................10
• Chain Kit Assembly Instructions................................................................................... 11
Operation ...................................................................................................................................11
• Theory of Operation ......................................................................................................12
Maintenance ..............................................................................................................................13
• Service ............................................................................................................................13
Bolt Torque .................................................................................................................................14
• Checking BoltTorque .....................................................................................................14
Part Drawings.............................................................................................................................16
• 4' and 5' Drawing...........................................................................................................16
• 4' and 5' Parts List..........................................................................................................17
• Chain Kit Drawing..........................................................................................................20
• Chain Kit Parts List .........................................................................................................21
• PTO Shaft Drawing ........................................................................................................22
• PTO Shaft Parts List .......................................................................................................23
• Gearbox Drawing - 410..................................................................................................24
• Gearbox Parts List - 410.................................................................................................25
• Gearbox Drawing - 510..................................................................................................26
• Gearbox Parts List - 510.................................................................................................27

4
Table of Contents - Series I Rotary Cutter
Shipping Kit and Bundle Numbers ..........................................................................................28
Warranty.....................................................................................................................................30
Manufacturer’s statement: for technical reasons Buhler Industries Inc. reserves the right to modify
machinery design and specifications provided herein without any preliminary notice.
Information provided herein is of descriptive nature. Performance quality may depend on soil fertility,
applied agricultural techniques, weather conditions and other factors.

5
Introduction - Series I Rotary Cutter
Introduction
The Farm King Series 1 Rotary cutter available in 48" and 60" and is equipped with a 3-point hitch.
The 3-point hitch is Farm King Quick Hitch compatible so it is easy to attach and unhook. 3-point
hitch models include a single solid rubber training wheel.
Farm King Rotary Cutters are built tough and made to last.The blades are heat-treated 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 Farm King
Dealer if you need assistance, information, or additional copies of the manual. Visit our website
at www.buhlerindustries.com for a complete list of dealers in your area.
The directions left, right, front and rear, as mentioned throughout this manual, are as seen facing
in the direction of travel of the implement.

6
Safety - Series I Rotary Cutter
Safety
Safety Instructions
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.

7
Safety - Series I 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 Farm King product as this could
affect function or safety, and could affect the life of the equipment.
• Never start or operate the mower 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 PTO rpm speed.
• Never operate the equipment in the raised position.
Transport Safety
• ReviewTransport Safety instructions in tractor manual before moving.
• Check with local authorities regarding transport on public roads. Obey all applicable laws
and regulations.
• Do not tow equipment that does not have brakes at speeds over 20 mph (32 km/h).
• Do not two equipment that does not have brakes that, when fully loaded, has a mass
(weight) over 3300 lb. (1.5 t) and more than 1.5 times the mass (weight) of the towing unit.
• 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.

8
Safety - Series I Rotary Cutter
• Never have the equipment in operation during transport.
• Always travel at a safe speed.
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.
• Replace and secure all shields removed during servicing 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.
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.
• Replace safety sign immediately should it become damaged, torn or illegible. Obtain
replacements from your authorized dealer using the part numbers shown.

9
Safety - Series I Rotary Cutter
1
1
1
2
3
1
3
2
1
2
3

10
Assembly Instructions
1. Raise the hitch arms (#1) and the hitch supports (#4) from the deck. Remove the bolt holding on
the top link (#12). Line up the end holes on the hitch supports with the holes on the outside of
the hitch arms where you just removed the bolt. Bolt the hitch arms, hitch supports and top link
together with the bolt you just removed using two flat washers and a lock nut.
2. Connect the PTO shaft to the gearbox. A snap ring holds on the PTO shaft with a shear pin.
Make sure the PTO guard (#19) is bolted in place.
3. Re-check all the fasteners.There should be free movement of all pieces held together by a bolt
and lock nut.
Chain Kit Assembly Instructions
All cutters have the required holes for mounting the chain kit.The use of this chain kit will help
reduce the possibility of injury to persons or property by stopping many thrown objects.
1. Bolt the front chain holder (#8) to the front of the cutter using 3/8" x 1" (10 x 25 mm) hex bolts,
lock washers, flat washers and hex nuts.
2. Use 1/4" (6 mm) x 5 link chains (#2) at the front. A chain is pushed through each slot from
underneath and a 3/8" (10 mm) rod is threaded through the top link of each chain. Hold rods in
place using the cotter pins supplied. See parts list for correct length of rods.
3. Bolt the rear center (#5) and rear side (#6 & #7) chain holders to the rear of the cutter. Use
1/4" (6 mm) x 5 link chains (#2) along all rear edges.Thread rods as in front using lengths as
shown in parts list.
Assembly - Series I Rotary Cutter