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Land Pride OFM3678 Manual
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Land Pride OFM3678 Manual

Offset flail mowers
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Offset Flail Mowers
OFM3678, OFM3690 & OFM3698
76012
Table of Contents
!
Read the Operator's Manual entirely. When you see this symbol,
the subsequent instructions and warnings are serious - follow
without exception. Your life and the lives of others depend on it!
Cover photo may show optional equipment not supplied
with standard unit.
For an Operator's Manual and Decal Kit in French
Language, please see your Land Pride dealer.
333-149M
Operator's Manual
Printed 6/11/21

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Summary of Contents for Land Pride OFM3678

  • Page 1 Your life and the lives of others depend on it! Cover photo may show optional equipment not supplied with standard unit. For an Operator’s Manual and Decal Kit in French Language, please see your Land Pride dealer. Printed 6/11/21...
  • Page 2 Machine Height Machine Length Machine Width Machine Weight Delivery Date First Operation Accessories Dealer Contact Information Name: Street: City/State: Telephone: Email: California Proposition 65 WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 3 Land Pride assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Land Pride reserves the right to revise and improve its products as it sees fit. This publication describes the state of this product at the time of its publication, and may not reflect the product in the future.
  • Page 4 App on your smart phone, open the App, Refer to Parts Manual QR point your phone on the QR code and Locator on this page for take a picture. detailed instructions. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 5  Important Safety Information Important Safety Information Listed below are common practices that may or may not be applicable to the products described in this manual. Safety at All Times Look for the Safety Alert Symbol The SAFETY ALERT SYMBOL indicates there is a potential hazard Careful operation is your best to personal safety and extra precaution must be taken.
  • Page 6  Replace parts on this implement correct tools and equipment. follow all shutdown procedures with genuine Land Pride parts only.  Always properly match the wheel before leaving the operator’s seat to Do not alter this implement in a way size to the properly sized tire.
  • Page 7 Use Seat Belt and ROPS Keep Riders Off Lights and Devices Machinery  Land Pride recommends the use of a CAB or roll-over-protective-  A Slow moving power machine  Never carry riders on the tractor or structures (ROPS) and seat belt can create a hazard when driven implement.
  • Page 8 Important Safety Information Listed below are common practices that may or may not be applicable to the products described in this manual. Avoid crystalline Silica  Be aware of and follow OSHA  If possible, change into disposable (or other local, State, or Federal) or washable work clothes at the (quartz) Dust guidelines for exposure to airborne...
  • Page 9 Important Safety Information This page left blank intentionally. 6/11/21...
  • Page 10 Spray soapy water onto the cleaned area. all damaged or missing labels. Order new labels from your Peel backing from label and press label firmly onto the nearest Land Pride dealer. To find your nearest dealer, surface. visit our dealer locator at www.landpride.com.
  • Page 11 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 Bottom Image: Top, Front side of incline pivot joint 76091 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 12 2 Places: Left & right ends on the front side of the flail head 76090 838-614C 2" x 9"(5 cm x 23 cm) Red Reflector 2 Places: Left & right ends of the back side of the flail head OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 13 Table of Contents Important Safety Information 842-555C 76091 Danger/Warning: Safety Combo 1 Place: Right, top side of the flail head 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 14 1 Place: Behind the belt guard cover on the end frame 13313 818-552C Danger: Entanglement Hazard 1 Place: On outer driveline shield 13313 818-540C Danger: Guard Missing Hazard 1 Place: On outer driveline profile OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...

  • Page 15: Figure 1

    Table of Contents Introduction Introduction Owner Assistance Land Pride welcomes you to the growing family of new product owners. This Offset Flail Mower has been The dealer should complete the Online Warranty designed with care and built by skilled workers using Registration at the time of purchase.
  • Page 16 6. Wait for all components to come to a complete stop before leaving the operator’s seat. Use steps, grab-handles and anti-slip surfaces when stepping on and off the tractor. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 17 7. Slow Moving Vehicle Sign 16. Rear deflector 25. Rear lateral pivot joint 17. Roller 26. Left-hand skid shoe 8. Belt guard 9. Gearbox 18. Right-hand skid shoe 27. Driveline (not shown) 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 18 (B). 74958 Blades Usage Good for cutting grass, shrubs, vine shoots, Hammer and for shredding orchard and vineyard Blade trimmings. Rotor & Hammer Blades Figure 1-3 Counter Blade Figure 1-2 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 19 (#1) with the lateral arms (#2) level. 6. Secure park stands (#7) with bent pins (#8) and hairpin cotter (#9). Remove hoist from the hitch frame (#1) and lateral arms (#2). 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 20 • That all bolts and nuts are tightened correctly. • That all guards are in place and fitted correctly. • That, in general, the machine shows no signs of defects. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...

  • Page 21: In (Cm) 102

    An angle exceeding 45° will place extreme strain on the entire hoisting system and hoist points, and poses a very high risk of damage or failure of the hoisting components. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 22 • Install hoisting clevis and hitch pins in the specific holes. Make sure the clevis and hitch pins are are secured in place. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 23 Move driveline coupler back and forth to ensure pull collar (G) and hold. the driveline is secured to the shaft. b. Start driveline onto the gearbox input shaft (C) as shown in Figure 1-9. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 24 Consult your tractor Operator’s Manual to determine machine itself. proper weight requirements and maximum weight 3. With the implement itself resting securely on a level, limitations. flat surface, align tractor up with the implement. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 25 IMPORTANT: The center 3-point link is connected correctly when the hitch pin is at the end of the slot furtherest away from the tractor. Three-Point Hook-up 10. Continue with “Driveline Hook-up” on page 22. Figure 1-14 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...

  • Page 26: Refer To

    Length” on page 26 and “Measure Driveline Figure 1-16 Maximum Length” on page 27. 6. Refer to Figure 1-16: Press down on button (C) and hold or pull back lock collar (D) and hold. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 27 9. Pull on driveline collars at both ends of the driveline to ensure they are secured to the tractor’s power take-off shaft and to the mower’s gearbox input shaft. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 28 5. Continue with“Check Driveline Interference” on page 25. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 29 8. Start tractor, raise implement slightly, and drive forward enough to clear the support blocks. 9. Lower implement to ground and shut tractor down using “Tractor Shutdown Procedure” on page 12. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 30 10. Attach driveline to the implement and tractor. Refer to steps 6-9 on page 22. 11. If dimension “A” is less than 1" (2.5 cm), continue with step 12 on this page. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 31 3. Assemble the two driveline profiles together with just 1/3 overlapping of the profile tubes as shown. 4. Measure driveline “Maximum Allowable Length” and record here ______. 5. Continue with “Driveline Hook-up” on page 22. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 32 The rear axle load must not exceed the permitted rear tire • Permitted front tire load capacity ..__________ load. • Permitted rear tire load capacity ..__________ OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 33 Table of Contents Section 1: Assembly & Set-up This page left blank intentionally. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 34 (#2) into the other 3-hole bolt position on both ends of the roller. Secure bolts with removed washers and nuts. 9. Tighten all the nuts to the correct torque. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 35 4. With engine speed at idle, engage PTO. Increase engine throttle to 540 power take-off speed. 5. Place transmission in appropriate gear range and begin traveling forward. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 36 The implement is equipped with an accumulator (#1) which allows the arms to fold back partially in the event of a collision with an obstacle while working to absorb the impact. Accumulator Figure 2-4 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...

  • Page 37: 65 O

    -65° to +65° relative to the horizontal. Simply use the tractor control lever connected to the inclined cylinder to set the flail head to the preferred angle. The flail head should only be adjusted to follow the terrain. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 38 Be on the watch for and keep away from ditches, retaining walls, drop-offs, holes, rocks, stumps, tree roots, and other hidden hazards that can cause the tractor to shift suddenly and/or roll over. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 39 Do not operate a broken or bent driveline. Such a driveline will break apart while rotating at high speeds. Always remove the implement from use until the damaged driveline can be repaired or replaced. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 40 (#1) to a chain link near clip (#3) or to raising the mower off the ground and remain in the clip (#3) with spring pin (#2). non-float setting while the flail is off the ground. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 41 The maximum driveline operating angle is 25°. 2. Always disengage the power take-off if approaching the maximum operating driveline angle. Wait for the driveline to stop rotating before raising the mower above the maximum operating driveline angle. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 42 • Do not use the machine for any purpose other than its intended applications. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...

  • Page 43: 540 Rpm

    3. Lower the flail mower to the ground and continue mowing while traveling forward only. Contact may cause severe damage to the driveline and the flail mower and is dangerous. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...

  • Page 44: Figure

    IMPORTANT: Only operate the flail mower inclined • when in the lateral extended configuration. Do not use the flail mower with the tractor straddling a ditch (#5 & #6). OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 45 Once on level ground, stop the tractor and adjust the incline angle as needed. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 46 3. Wait for all mower components to come to a complete stop before going near the flail mower NOTE: The greater the ground speed, the lower the and/or allowing a bystander near the mower. quality of the work. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 47 (#5) in the upper clevis (#9). clevises (#14). Secure hitch pins with washers (#11) 13. Remove linchpins (#10), washers (#11), and hitch and linchpins (#10). pins (#12) from the lower 3-point lift arms (#13). 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 48 Inspect the bearings. They must rotate freely with no hardness and/or noise, otherwise they must be replaced. • Replace worn, damaged, or illegible safety labels by obtaining new labels from your Land Pride dealer. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 49 Never use the driveline as a step to facilitate work on the machine. • Buildup of debris around moving components and gearboxes is a fire hazard. Keep rotating parts and gearboxes free from debris. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 50 Check for signs of damaged or worn hydraulic hoses, fittings and cylinders before each use of the flail mower. Replace damaged components as needed. Order only genuine Land Pride parts from your local Land Pride dealer. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 51 3. Touch the belt to make it vibrate. 4. Read the belt response frequency on the display. 5. The correct frequency is approximately: • 86 Hz after initial installation • 72 Hz after running-in 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 52 6. Turn adjusting nut (#2) to bring the tension roller (#4) back into contact with the belts (#5) and to set the belts to the correct tension. Refer to “Check Belt Tension” on page 47. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 53 Always replace blades on the opposite sides of the rotor in pairs. • It is best to always replace all blades as a set. • If the rotor is out-of-balance, replace rotor with a new rotor. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 54 Refer to support blocks as follows: “Adjust Park Stands” on page 31. 14. If not moving the mower, lower the mower down until it is resting on the park stands and roller. OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 55 • Preferably dry the machine carefully with compressed air after washing. • After washing, grease all parts of the machine that require grease. 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 56 Quantity = Until grease emerges 76099 Hours Incline Cylinder Clevis Pin 1 - Zerk (Located on the near side or far side) Type of Lubrication: Multi-purpose Grease Quantity = Until grease emerges OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 57 Remove plug (#1) to access grease zerk. After greasing the bearing, replace plug and tighten it. 1 - Zerk Type of Lubrication: Multi-purpose Grease Quantity = As required 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 58 1 - Zerk If Grease Zerk is provided, Type of Lubrication: Multi-purpose Grease lubricate profiles here. Quantity = Coat generously OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 59 (#1). Do not Overfill! 4. Refit and tighten level inspection plug (#1). When included, make sure the seal washer fits correctly. 5. Refit and tighten fill cap (#2). 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 60 12. Repaint parts where paint is worn or scratched to IMPORTANT: Before storing the machine, it is prevent rust. Ask your dealer for Land Pride aerosol recommended to carry out a number general touch-up paint. They are also available in touch-up...
  • Page 61 8. Check the tightening torque of the fastener bolts. 9. Check the condition of the blades. 10. Connect the machine to the tractor (See “Coupling the machine to the tractor”). 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...

  • Page 62: Table Of Contents

    2" (5) Rotor diameter in (cm) 6.5" (16.5) Rotor swing diameter in (cm) 18" (46) Number of hammer blades Number of drive belts Overall Dimensions Offset Dimension Figure 5-1 Figure 5-2 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 63 Assist shredding material into fine particles. Replaceable skid shoes Prevents wear on end panels from ground contact. Adjustable roller Provides precision cutting height between 1" and 2 3/4" (25 cm to 70 cm). 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 64 Lateral adjustment and/or Check and repair if necessary tractor faulty inclination angle adjustment functions not working correctly Check connections and tighten correctly if necessary Oil leakage Check hydraulic hoses and replace if necessary OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21...
  • Page 65 Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above. All locknuts or lubricated fasteners: Use 75% of torque value. (i.e. 1/2"-13 GR5 = 76 ft-lb; 75% of 76 or .75 x 76 = 57 ft-lb) 6/11/21 OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M...
  • Page 66 This Warranty is limited to the repair or replacement of any defective part by Land Pride and the installation by the dealer of any such replacement part, and does not cover common wear items. Land Pride reserves the right to inspect any equipment or parts which are claimed to have been defective in material or workmanship.
  • Page 68 Corporate Office: P.O. Box 5060 Salina, Kansas 67402-5060 USA www.landpride.com...

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