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Section 3: General Operating Instructions 

OFM2660, OFM2672 & OFM2678 Offset Flail Mowers 333-142M

3/1/21

42

Table of Contents

General Operating Instructions

Read the previous chapters, and the section titled 

“Safety” in particular, in full and make sure that you have 

understood their contents before using the machine.

WARNING

!

To prevent serious injury or death:  

Check the danger zone surrounding the flail mower before 

starting, unfolding, and operating the flail mower. In 

unfavorable working conditions, objects may be projected 

by the flail mower at high speed.

Ensure good visibility. Only start if there are no persons, 

animals, or objects in the danger zone.

Maintain appropriate safety distances in relation to the 

overall dimensions of the flail mower with any accessories 

installed.

Remove all scrap or rubble (wood, metal, plastic, glass, 

wire, cable, etc.) in the work area, which may be projected 

from the flail mower or damage the flail mower itself.

Do not exceed the mower’s rated cutting capacity. Doing so 

can damage drive components and blades. Refer to 

specifications & capacities for rated cutting capacity.

Pay particular attention when using the mower on uneven 

and/or sloping terrain, or when close to ditches or banks.

Adapt the speed and the driving style to the conditions of 

the terrain.

Lightweight tractors with rear attached implements may 

need weights added to the front to maintain steering control. 

Consult your tractor Operator’s Manual to determine 

proper weight requirements and maximum weight 

limitations.

Starting Work

1. Raise the flail mower slightly so that it is not in 

contact with the ground when it starts.

2. Engage the power take-off and increase rotation 

speed slowly.

3. Lower the flail mower until the working position is 

reached and increase the power take-off speed 

progressively to the required working speed.

4. Start traveling forward with the tractor while 

maintaining an appropriate, moderate speed for the 

terrain conditions.

5. During work, regularly shut the tractor down 

according to 

“Tractor Shutdown Procedure” 

on 

page 12 and check to make sure the two driveline 

joints are connected correctly.

Ground Speed

IMPORTANT: 

Working at an excessive ground 

speed may damage the flail mower and produce 

unsatisfactory results.

NOTE:  

The greater the ground speed, the lower the 

quality of the work.

Adjust ground speed in accordance with the following 

criteria:

The type and conditions of the material worked.

The fineness of the worked material.

The roughness and slope of the surface being traveled 

over.

Vibration and Noise

WARNING

!

To prevent serious injury or death:  Periodically check that the 

safety guards are in place and installed correctly on the flail 

mower.

If any abnormal noise or vibration is noted during use, 

stop the flail immediately and shut the tractor down 

according to 

“Tractor Shutdown Procedure”

 on 

page 12. Once safe to do so, identify and eliminate the 

cause. If you cannot resolve the issue yourself, contact 

your dealer.
Check for worn, missing, or damaged blades. Check 

rotor for being bent or damaged. For detailed information, 

refer to 

“Check & Replace Blades” 

on page 49.

Periodically check the condition of the guards and 

immediately replace them should they be damaged. 

In particular, check:

The power take-off guard

The drive shaft guards

The front and lateral guards

Clogging

Working with excessively dense, wet vegetation or at an 

excessive ground speed may cause the flail mower to 

become clogged. 
Clogging causes the tractor motor speed to drop and 

choppy grass cutting. At the first signs of clogging:

Reduce tractor ground speed.

Raise flail mower slightly.

If the flail mower does not automatically clear itself, see 

“Remove Accumulated Trash” 

on page 51”.

Ending Work

WARNING

!

To prevent serious injury or death:  
The flail mower rotor continues to turn by inertia for a few 

moments after the power take-off is disengaged. Wait until all 

flail mower parts come to a complete stop before dismounting 

the tractor or allowing others near the mower.

To stop the flail mower, 
1. Reduce the tractor engine speed.
2. Disengage the power take-off.
3. Wait for all mower components to come to a 

complete stop before going near the flail mower 

and/or allowing a bystander near the mower.

Summary of Contents for OFM2660

Page 1: ...n French Language please see your Land Pride dealer Read the Operator s Manual entirely When you see this symbol the subsequent instructions and warnings are serious follow without exception Your life...

Page 2: ...ly ordered the weights and measurements are no longer accurate for your machine Update the record by adding the machine weight and measurements provided in the Specifications Capacities Section of thi...

Page 3: ...4 Handling Unloading Instructions 15 Packing Unpacking 15 Attach Flail head to the Hitch 15 Hose Assembly 16 Preliminary Checks Inspections 16 Lifting Transporting the Mower 17 Handling Storage 17 Per...

Page 4: ...facture Instrument 47 Belt Frequency Meter 47 Set Belt Tension 48 Replace Belts 48 Check Replace Blades 49 Check Blades 49 Replace Blades 49 Skid Shoe Replacement 50 Remove Accumulated Trash 51 Cleani...

Page 5: ...hen backing up Before the tractor starts to move look down and behind to make sure the area is clear Safety at All Times Careful operation is you best assurance against an accident All operators no ma...

Page 6: ...Remove all tools and unused parts from equipment before operation Do not weld or torch on galvanized metal as it will release toxic fumes Tire Safety Tire changing can be dangerous and must be perform...

Page 7: ...th the control of the power machine Riders can be struck by objects or thrown from the equipment Never use tractor or implement to lift or transport riders Prepare for Emergencies Be prepared if a fir...

Page 8: ...silica particles This dust can cause serious injury to the lungs silicosis There are guidelines which should be followed if crystalline silica quartz is present in the dust Be aware of and follow OSH...

Page 9: ...Important Safety Information 3 1 21 5 This page left blank intentionally...

Page 10: ...e com 3 Some new equipment installed during repair requires safety labels to be affixed to the replaced component as 76034 76034 specified by Land Pride When ordering new components make sure the corr...

Page 11: ...le of Contents 74956 76034 74956 74956 842 556C Warning Pinch Point or Crushing Hazard 3 Places Top Image Front side of rear lateral pivot joint Middle Image Back side of front lateral pivot joint Bot...

Page 12: ...f Contents 74956 76034 74956 844 001C Danger Hot Surface Hazard 1 Place Behind the gearbox 838 615C 2 x 9 5 cm x 23 cm Amber Reflector 2 Places Left right ends on the front side of the flail head 838...

Page 13: ...Important Safety Information OFM2660 OFM2672 OFM2678 Offset Flail Mowers 333 142M 3 1 21 9 Table of Contents 74956 842 555C Danger Warning Safety Combo 1 Place Right top side of the flail head...

Page 14: ...M 3 1 21 10 Table of Contents 76034 13313 13313 818 540C Danger Guard Missing Hazard 1 Place On outer driveline profile 818 552C Danger Entanglement Hazard 1 Place On outer driveline shield 818 543C D...

Page 15: ...ay change slightly to assure you of the best performance To order a new Operator s or Parts Manual contact your authorized dealer Manuals can also be downloaded free of charge from our website at www...

Page 16: ...tdown Procedure The following are basic tractor shutdown procedures Follow these procedures and any additional shutdown procedures provided in your tractor Operator s Manual before leaving the operato...

Page 17: ...flail mower more comfortable Standard Offset Flail Mower Figure 1 1 12 11 13 14 15 16 17 18 18 19 11 1 3 4 5 6 7 8 9 74958 2 10 1 Three point linkage 2 Flail head 3 Rear roller 4 Rear deflector 5 Gea...

Page 18: ...e original purchase must be installed by the dealer Counter blade Accessory Refer to Figure 1 2 The counter blade 1 improves topping results by shredding material more uniformly Counter Blade Figure 1...

Page 19: ...en unpacking the machine sort the packing materials correctly by category IMPORTANT Packaging materials dust and chemical products must be disposed of correctly IMPORTANT Upon receipt check that the m...

Page 20: ...essary for its use including both standard and optional equipment The implement leaves the factory in perfect working order However the dealer must check the following upon delivery to the customer Th...

Page 21: ...by the constructor and or with the relative technical rules A chain or strap must NEVER exceed an angle of 45 relative to the vertical An angle exceeding 45 will place extreme strain on the entire hoi...

Page 22: ...cessories used must be in proper working order and of suitable load capacity for the weight of the machine or parts lifted Keep the work area clear of materials objects and persons when lifting and ha...

Page 23: ...ly clean and lubricate driveline coupling B and gearbox input shaft C 4 Connect driveline shaft coupling B to the gearbox input shaft C as follows Retainer Bolt and Nut Hook up a Remove retainer nut a...

Page 24: ...dels described herein are equipped with a three point linkage for hitching the implement to the rear of a tractor s three point hitch The implement is equipped with hydraulic systems for lateral adjus...

Page 25: ...length of the top center link 5 until hitch pin 7 is close to the rear of the slot to ensure that the mower will work correctly See Figure 1 15 h 10 Continue with Driveline Hook up on page 22 IMPORTAN...

Page 26: ...during operation They must overlap by at least 1 3 of their length They must not separate under any working condition The ends of the two driveline profiles must never reach the travel limit in any wo...

Page 27: ...or pull collar pops out and locks in place in groove E on the power take off shaft 9 Pull on driveline collars at both ends of the driveline to ensure they are secured to the tractor s power take off...

Page 28: ...ure manufacturer production date reference code Reference Meanings A Code of the hydraulic hose B Manufacturer s name C Hydraulic hose production date D Maximum operating pressure 74979 Hydraulic Iden...

Page 29: ...nto the blocks b Shut tractor down before dismounting Refer to Tractor Shutdown Procedure on page 12 c Move or remove drawbar if it interferes with the flail mower and make any other necessary correct...

Page 30: ...9 on page 22 11 If dimension A is less than 1 2 5 cm continue with step 12 on this page 22165 IMPORTANT A driveline that is too long can bottom out causing structural damage to the tractor and implem...

Page 31: ...qual length as shown in Figure 1 25 Check driveline maximum allowable length as follows 1 Make sure Check Driveline Collapsible Length on page 26 has been completed before continuing with instructions...

Page 32: ...tire manufacturer If the axle is supported by two tires the permitted tire load capacity of one tire is multiplied by two Locate the tire load capacities in the manufacturers documentation and record...

Page 33: ...Section 1 Assembly Set up OFM2660 OFM2672 OFM2678 Offset Flail Mowers 333 142M 3 1 21 29 Table of Contents This page left blank intentionally...

Page 34: ...MPORTANT When working in rocky or uneven terrain conditions increase the distance the blades are carried above ground The driveline coupled to the tractor must also be as horizontal as possible while...

Page 35: ...ys be in the raised position before traveling with the implement attached to the tractor Adjust Lateral Position Figure 2 3 Adjust Lateral Position Refer to Figure 2 3 WARNING To prevent serious injur...

Page 36: ...1 21 32 Table of Contents Accumulator Figure 2 4 Accumulator Safety Function Refer to Figure 2 4 The implement is equipped with an accumulator 1 which allows the arms to fold back partially in the eve...

Page 37: ...e angle of the flail head is adjustable to suit the job at hand The incline angle may be rotated from 65 to 65 relative to the horizontal Simply use the tractor control lever connected to the inclined...

Page 38: ...d working condition while operating the implement A crushing hazard exists while hooking up and unhooking the implement Keep people and animals away while backing up to the implement or pulling away f...

Page 39: ...low Tractor Shutdown Procedure provided in this manual before dismounting the tractor Select a safe ground speed when transporting Never travel at a speed which does not allow adequate control of stee...

Page 40: ...s with caution in order to avoid compromising the machine s stability Make sure implement does not block tractor s Slow Moving Vehicle SMV sign when transporting on a public road If operators in vehic...

Page 41: ...ot lift the flail mower excessively when the power take off is running This may cause the driveline to angle excessively and fail causing serious injury to the operator and damage to the flail mower i...

Page 42: ...eath Carefully check to ensure that the safety guards are present and correctly installed on the implement Periodically check their condition Working at Night This Offset Flail Mower can be used at ni...

Page 43: ...e flail mower above ground 2 Operate the hydraulic control lever to adjust the lateral position of flail mower as needed 3 Lower the flail mower to the ground and continue mowing while traveling forwa...

Page 44: ...hine for cutting hedges all persons animals and objects must be kept out of the danger area Do not use a tractor without a cab It is possible for the flail mower to throw objects at the operator in al...

Page 45: ...and falling Working on Incline Surfaces The flail mower will follow the terrain up or down 65 degrees When working with the flail on inclining and declining surfaces make sure the weight of the flail...

Page 46: ...cording to Tractor Shutdown Procedure on page 12 and check to make sure the two driveline joints are connected correctly Ground Speed IMPORTANT Working at an excessive ground speed may damage the flai...

Page 47: ...6 Shut tractor down properly before dismounting Refer to Tractor Shutdown Procedure on page 12 7 Unhook driveline 1 by pulling back on the driveline pull collar or pushing down on the driveline push p...

Page 48: ...is not possible before starting work park the tractor on level ground disengage the power take off set all controls to their neutral positions switch the motor off and remove the switch key from the...

Page 49: ...to leave the hazardous areas Do not wear rings watches jewelry unfastened or dangling garments such as ties torn garments scarves unbuttoned jackets or blouses with open zippers that could get caught...

Page 50: ...ot perform any welding work near hydraulic hoses The hydraulic oil can easily catch fire One of the most important things you can do to prevent hydraulic system problems is to ensure your tractor s hy...

Page 51: ...y 2 Place the instrument against the mid point of one of the belts 1 3 2 4 76019 IMPORTANT The indicator arm 3 must be pushed down into the body of the instrument 3 Push button 1 slowly down and firml...

Page 52: ...ded in this manual before servicing adjusting cleaning or maintaining this implement Replace belts when necessary When replacing belts first loosen the belt tension to permit removal of the belts them...

Page 53: ...re using the machine A thorough and regular inspection is vital for cutting quality and above all for the safety of the machine operator and bystanders 3 Blades should be replaced if They are damaged...

Page 54: ...support blocks as follows Using a Hoist a Attach a hoist with a suitable lift capacity to the identified lift points on the flail mower Refer to Permitted Hoist Lifting Points on page 18 b Lift the m...

Page 55: ...h or degrease any of the machine s parts Never have open flames in the area Do not aim pressurized water at rotating parts bearings gaskets hydraulic hoses cases etc Do not use any solvents or aggress...

Page 56: ...nd Points 76075 76076 76076 30 Hours Front Lateral Pivot Pins 2 Zerks Type of Lubrication Multi purpose Grease Quantity Until grease emerges Back Lateral Pivot Pins 2 Zerks Type of Lubrication Multi p...

Page 57: ...or Right Side Bearing Lubricate bearings every 30 hours and after each heavy duty usage Bearings that do not need maintenance work should not be lubricated 1 Zerk Type of Lubrication Multi purpose Gre...

Page 58: ...vy duty usage Bearings that do not need maintenance work should not be lubricated 2 Zerks Type of Lubrication Multi purpose Grease Quantity As required 30 Hours Driveline Universal Joints See the serv...

Page 59: ...orrectly Add Oil 1 Refer to Gearbox Lubrication above for type of lubricant to add to the gearbox 2 With the implement on flat level ground and the tractor shutdown correctly remove filler cap 7 3 Fil...

Page 60: ...begins IMPORTANT Avoid spraying pressurized jets of water onto the bearing seals 1 Remove any dirt grease and product that has accumulated on the mower and its moving parts Scrape off compacted dirt...

Page 61: ...the greasing points 5 Check the oil level of the gearbox 6 Carry out any necessary maintenance operations 7 Check that the driveline is correctly installed and that all the driveline guards and shield...

Page 62: ...D in cm 85 215 85 215 85 215 Height H in cm 50 126 50 126 50 126 Weight without driveline lb kg 1 631 740 1 720 780 1 808 820 Working width in cm 61 155 73 185 79 200 Deck thickness gauge mm 8 4 End...

Page 63: ...nd over the rotor which allows it to be dispersed more evenly Allows material to be shredded completely High blade tip speed Creates a vacuum effect provides a clean cut and slices through saplings wi...

Page 64: ...the flail head Clogging Clean the machine to remove accumulated debris Roller does not turn easily Insufficient greasing Grease as indicated Roller casing bearings worn Replace the bearings Roller or...

Page 65: ...165 315 230 5 8 11 130 97 205 150 285 210 M16 X 1 5 155 115 240 180 335 245 5 8 18 150 110 230 170 325 240 M18 X 2 5 195 145 310 230 405 300 3 4 10 235 170 360 265 510 375 M18 X 1 5 220 165 350 260 4...

Page 66: ...product is not designed Misuse also specifically includes failure to properly maintain oil levels grease points and driveline shafts Claims under this Warranty should be made to the dealer which origi...

Page 67: ......

Page 68: ...Corporate Office P O Box 5060 Salina Kansas 67402 5060 USA www landpride com...

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