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BEFCO
®
Operator's Manual
HURRICANE
Flail Mower
H70-060, H70-072, H70-088
(serial #279836 & above)
The operator's manual is a technical service guide and must always accompany the machine.
Manual 971-400B
March 2019

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  • Page 1 BEFCO ® Operator’s Manual HURRICANE Flail Mower H70-060, H70-072, H70-088 (serial #279836 & above) The operator’s manual is a technical service guide and must always accompany the machine. Manual 971-400B March 2019...
  • Page 2: Signal Words

    SAFETY Take note! This safety alert symbol found throughout this manual is used to call your attention to instructions involving your personal safety and the safety of others. Failure to follow these instructions can result in injury or death. This symbol means: ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
  • Page 3 4.11 - Overrunning Clutch 5 - REPAIR PROCEDURES 5.01 - Gearbox 5.02 - Pulleys 5.03 - Rotor Shaft 5.03 - Suggested Spare Parts 5.04 - Storage 6 - TROUBLESHOOTING 7 - PRE-DELIVERY CHECKLIST 8 - WARRANTY PARTS MANUAL BEFCO NDEX...
  • Page 4: General Information

    It is in your best interest to ensure that this has been done. Warranty does not cover the following: 1. Cleaning, transporting, mailing and service call charges. See Chapter 8 - Warranty. BEFCO ENERAL NFORMATION...
  • Page 5: Model And Serial Number Id

    Attached to the frame is an ID plate showing the model and the serial number. Record your implement model and serial number in the space provided below. Your dealer needs this information to give you prompt, efficient service when you order parts. BEFCO ENERAL NFORMATION...
  • Page 6: Safety Precautions

    6. Operate only in daylight or good artificial light. 7. Ensure mower is properly mounted, adjusted and in good operating condition. 8. Ensure that all safety shielding and safety signs are properly installed and in good condition. BEFCO AFETY RECAUTIONS...
  • Page 7: Starting And Stopping

    6. Allow no riders on tractor or mower. 7. Allow moving parts to stop before repair. 8. Securely support mower before working underneath. Additional warning and operating decals are available at no extra charge. Please specify model and serial number when ordering. BEFCO AFETY RECAUTIONS...
  • Page 8 ’ URRICANE PERATOR ANUAL Fig. 2 - Safety decals - implement; replace immediately if damaged. right side left side Yellow reflective decal (H70-088 only) right side Red reflective decal left side BEFCO AFETY RECAUTIONS...
  • Page 9 ’ URRICANE PERATOR ANUAL Safety decals - driveline; replace immediately if damaged. placed on outer shield placed on outer tube BEFCO AFETY RECAUTIONS...
  • Page 10: Operational Safety

    ANUAL 3 - OPERATION The Hurricane is a sturdy and easy to use flail mower. It is especially designed to offer the best performance wherever professional, highly accurate, safe mowing are required. The Hurricane H70 is engineered to be used with tractors from 30 to 70 HP, 540 rpm and a category 1 or 2 three point hitch.
  • Page 11 Without this weight, tractor could tip over, causing personal injury or death. The weight may be attained with a front end loader, front wheel weights, ballast in tires or front tractor weights. When attaining a minimum 20% of BEFCO PERATION...
  • Page 12 Pre-Delivery Checklist prior to delivering the mower. Fig. 3 Clockwise rotation rear mounted front mounted Counter clockwise rotation rear mounted front mounted See Chapter 4 - Maintenance. See Chapter 7 - Pre-Delivery Checklist. BEFCO PERATION...
  • Page 13: Cutting Height Adjustment

    The cutting height changes by adjusting the position of the rear roller. The machine has 8 different cutting height positions. The cutting height is adjustable from ¾” to 6”. Cutting lower than 2” under most circumstances should be avoided. BEFCO PERATION...
  • Page 14: Pre-Operational Check

    DANGER: Stay clear of rotating driveline. Entanglement in rotating driveline can cause serious injury. Disengage PTO, wait for all moving parts to come to a complete stop, engage parking brake or place transmission in “Park”, shut off the See Table 1, page 30. BEFCO PERATION...
  • Page 15: Attaching To The Tractor

    See Table 2, page 30. See Section 4.10 - Driveline, for instructions on how to determine correct driveline length and procedures for shortening the driveline. BEFCO PERATION...
  • Page 16 10. Checking the tractor tires for the proper pressure in accordance with the tractor’s operator’s manual. 11. Checking that the PTO shield, belt shield, front rubber strip and all other shielding are on the machine and securely in place. See Section 4.03 - Blade Maintenance. See Section 4.03 - Blade Maintenance. BEFCO PERATION...
  • Page 17: Working Speed

    Under some conditions grass will not rebound enough to be cut even, resulting in an uneven appearance. In general, lower cutting height gives a more even cut with less tendency to leave tire tracks. If cut is still not satisfactory, cut the area twice. BEFCO PERATION...
  • Page 18: Uneven Terrain

    Avoid sudden stops and starts, and slow down before changing directions on a slope. 5. Pass diagonally through sharp dips and avoid sharp drops to prevent hanging up the tractor and implement. 6. Slow down on sharp turns and slopes to prevent tipping or loss of control. BEFCO PERATION...
  • Page 19 4. Always disengage PTO before raising the implement to transport position. 5. When raising the mower be sure the PTO driveline does not hit either the mower or the tractor. 6. During transport the mower should not be lifted over 14”-16” from the ground. BEFCO PERATION...
  • Page 20: Maintenance Safety

    12. Never replace hex bolts with less than grade five bolts unless otherwise specified, i.e. shear bolts 13. Where replacement parts are necessary for periodic maintenance and servicing, genuine replacement parts must be used to restore your equipment to original Refer to Table 1 - Torque Specifications, page 30. BEFCO AINTENANCE...
  • Page 21 . Heavily worn blades should be replaced as a complete set in order to maintain a balanced rotor. 3. Remove any wrappings, weeds, paper, wire, etc., from the blades and rotor. See Section 4.03 - Blade Maintenance. BEFCO AINTENANCE...
  • Page 22 61 fl. oz. (1.9 qt.) of oil. If needed add SAE 90W gear oil. Note: Never overfill gearbox. Oil will expand when hot. Overfilling will likely cause excess oil to blow out of breather cap. Fig. 6 Lubrication of the rotor support bearings. Left side Right side BEFCO AINTENANCE...
  • Page 23: Blade Maintenance

    Fig. 7 1. "U" support 2. lock nut 3. blade bolt 4. pivot ring 5. blade See Table 1, page 30. See Section 4.05 - Belt Tension. BEFCO AINTENANCE...
  • Page 24 100 yards or more from the mower. Ensure that once the bolts are tight, the blades are able to pivot freely with the double pivot ring. This is imperative to not cause damage to the mower. BEFCO AINTENANCE...
  • Page 25: Blade Options

    ”. Belt tension adjustment The Hurricane H70 flail mower is supplied with a side double belt transmission with a manually loaded belt tensioner. The belt tension is applied by a compression spring and is regulated with an adjustment bolt (see #5, fig. 9) which protrudes from the belt shield.
  • Page 26: Belt Replacement

    2. adjustment bolt 4.06 - Belt Replacement If the belts have been stretched or damaged to the point where the proper tension can not be obtained they must be changed. Both belts must be changed at the same time. BEFCO AINTENANCE...
  • Page 27: Pulley Alignment

    It is possible to reverse the direction of cut and obtain a counter clockwise rotation (see fig. 3). To reverse the direction do the following: 1. Move the ring gear to the other side of the PTO shaft. See Section 5.02 - Pulleys, for instructions on removing and replacing pulleys. BEFCO AINTENANCE...
  • Page 28 2" MIN. If determined that the driveline is too long, follow these procedures to adjust the length: 1. Separate the two driveline halves. Connect one half to the tractor PTO and the other half to the mower. BEFCO AINTENANCE...
  • Page 29: Overrunning Clutch

    IMPORANT: Always check the direction of rotation on the tractor's PTO to be sure it is the same as the overrunning clutch See Section 4.08 - Reverse gearbox direction, for further information. BEFCO AINTENANCE...
  • Page 30 3557 When using lock washers with nuts, increase torque values by 5%. TABLE 2 - HURRICANE H70 FLAIL MOWER - TECHNICAL FEATURES Series H70, for tractors up to 70 HP, PTO 540 rpm, 3 point hitch cat. 1 & 2...
  • Page 31: Repair Procedures

    4. Assemble the belts and rotate the transmission by hand to ensure that the belts sit in the middle of the belt tensioner. See Section 4.05 - Belt Tension. See Section 4.06 - Belt Replacement. See Section 4.05 - Belt Tension. BEFCO EPAIR ROCEDURES...
  • Page 32: Rotor Shaft

    Blade bolts and nuts 1 set Double pivot ring 1 set Belts 5.04 - Storage After seasonal use it is important to perform the following for prolonged storage: See Section 4.05 - Belt Tension. See Section 4.06 - Belt Replacement. BEFCO EPAIR ROCEDURES...
  • Page 33 Part # 7300007 Primer, gray - aerosol spray can 7300008 Paint, Befco orange - aerosol spray can 7300010 Paint, Befco black - aerosol spray can WARNING: Be sure to store the implement on a hard level surface and away from people especially children.
  • Page 34: Troubleshooting

    Set tractor throttle for 540 rpm. Mower not level. Level mower with tractor hitch arms. Wrapping or material buildup. Clean rotor. Oil blowing Gearbox overfilled. Use a siphon pump to drain excess oil out of gearbox out of gearbox. breather cap. BEFCO ROUBLESHOOTING...
  • Page 35: Pre-Delivery Checklist

    IMPORTANT: Warranty is not valid unless Pre-Delivery Checklist and Warranty Registration form in Operator’s Manual is completed in detail and mailed to the Company. Model Number: __________ Serial Number: __________ Delivery Date: __________ Dealer’s Signature: __________ BEFCO ELIVERY HECKLIST...
  • Page 36: Warranty

    1. LIMITED WARRANTY BEFCO, Inc. herein referred to as the Company, warrants its machines and related accessories, hereafter referred to as the Machine, to be free from defects in material and workmanship, for a period of twelve (12) months from the date of invoice to the first registered owner;...
  • Page 37 6. WARRANTY SERVICE Warranty Service must be performed by a dealer authorized by BEFCO. If the warranty service requested is approved, the owner shall pay only for labor beyond the rate allowed, for overtime labor, and for any mileage charge for transporting the equipment to and from the dealer’s shop.
  • Page 39: Warranty Registration

    Operator’s Manual and literature published by the Company. Inspected by: Date: Date: Dealer’s Signature: Customer’s Signature: This registration along with a copy of the invoice must be sent to BEFCO, Inc. within 14 days of date of purchase.
  • Page 40 Place stamp here BEFCO, Inc. Warranty Department P.O. Box 6036 Rocky Mount, NC 27802-6036...
  • Page 41: Parts Manual

    BEFCO ® Parts Manual HURRICANE Flail Mower H70-060, H70-072, H70-088 (serial #279836 & above) Parts Manual 0319 H70-060, 072 Ver. B H70-088 Ver. D...
  • Page 42 ’ URRICANE RAME PERATOR ANUAL H70-060, 072, 088 - S #279836 & ERIAL ABOVE BEFCO ARTS ANUAL 0511...
  • Page 43 Bolt HH M10-1.50x25 C 8.8 Z F; H70-088 003-0156 Nut PT M10-1.50 C6 Z TK; H70-060 003-0156 Nut PT M10-1.50 C6 Z TK; H70-072 003-0156 Nut PT M10-1.50 C6 Z TK; H70-088 005-1570 005-4136 Rubber strip 1670 mm. BEFCO ARTS ANUAL 0511...
  • Page 44 ’ URRICANE OTOR AND OLLER PERATOR ANUAL H70-060, 072, 088 - S #279836 & ERIAL ABOVE BEFCO ARTS ANUAL 0319...
  • Page 45 003-0156 Nut PT M10-1.50 C6 Z TK 005-3661 Fixing angle bar 000-1106 Nut HH M12-1.75 C6 Z MD 005-9161 Complete tie rod 005-9921 Support, tensioner; #279836 & above 000-2265 Washer, flat Ø12 005-3622 Pulley SPC 225x2 BEFCO ARTS ANUAL 0319...
  • Page 46 ’ URRICANE OTOR AND OLLER PERATOR ANUAL H70-060, 072, 088 - S #279836 & ERIAL ABOVE BEFCO ARTS ANUAL 0319...
  • Page 47 Blade, paddle; H70-072 005-0834 Blade, paddle; H70-088 005-1116 Blade, hammer; H70-060 005-1116 Blade, hammer; H70-072 005-1116 Blade, hammer; H70-088 000-8138 Snap ring, outer Ø40; from #279836 to #337648 005-3248 Spacer washer 40x50x2; from #279836 to #337648 BEFCO ARTS ANUAL 0319...
  • Page 48 ’ URRICANE EARBOX AND RIVE HAFT PERATOR ANUAL H70-060, 072, 088 - S #279836 & ERIAL ABOVE BEFCO ARTS ANUAL 0813...
  • Page 49 003-0358 Nut PT M14-2.00 C6 Z TK 005-9312 Upper hitch for input shaft protection 005-9310 PTO guard 001-1208 Bolt HH M06-1.00x12 C4.6 Z F 001-1209 Washer, flat Ø6 Z 005-3446 Drain plug 005-3414 Bushing, gearbox housing BEFCO ARTS ANUAL 0813...
  • Page 50 ’ URRICANE EARBOX AND RIVE HAFT PERATOR ANUAL H70-060, 072, 088 - S #279836 & ERIAL ABOVE BEFCO ARTS ANUAL 0813...
  • Page 51 Gearbox & drive shaft, complete; H70-060 #279836 & above 025-9951 Gearbox & drive shaft, complete; H70-072 #279836 & above 035-9951 Gearbox & drive shaft, complete; H70-088 #279836 & above Note: Fill gearbox using approx. 61 fl.oz. (1.9 qt.) of SAE 90W gear oil. BEFCO ARTS ANUAL 0813...
  • Page 52 ’ URRICANE AUGE HEELS PTION PERATOR ANUAL H70-060, 072, 088 - S #251882 & ERIAL ABOVE BEFCO ARTS ANUAL 0817...
  • Page 53 005-2891 Bolt HH ½”-20x1.00 G5 Z F 005-2892 Washer, lock ½” Z 000-5508 Nut HH M20-2.50 C6 Z MD Interchangeable with wheel hub #7900429 provided outer wheel spacers #7900428 (qty. 2 per wheel) are also ordered. BEFCO ARTS ANUAL 0817...
  • Page 54 ’ URRICANE RIVELINE W VERRUNNING CLUTCH PERATOR ANUAL H70-060, 072, 088 - S #279836 & ERIAL ABOVE BEFCO ARTS ANUAL 1009...
  • Page 55 Locking ring, inner tube; #279836 & above 950-463B Decal “DANGER - Rotating driveline, keep away” outer shield 950-464B Decal “DANGER - Guard missing, do not operate” outer tube 96SS4039C Shield, complete 1006065C Chain, anti-rotation 050-0483 Driveline w/overrunning clutch, complete BEFCO ARTS ANUAL 1009...
  • Page 56 ’ URRICANE ECALS PERATOR ANUAL H70-060, 072, 088 BEFCO ARTS ANUAL 0511...
  • Page 57 Decal “088” 950-381B Decal “BEFCO INC.” address 950-940B Decal “Quick Hitch Compatible” 950-405B Yellow reflective decal; H70-088 950-366B Red reflective decal 971-400B Operator’s & Parts Manual Flail mower “Hurricane H70-060, 072, 088” (serial #279836 & above) BEFCO ARTS ANUAL 0511...
  • Page 59 Use only original spare parts All rights reserved. It is unlawful to copy, reprint or use any of the information or details in this manual without the expressed written permission of the Company. Technical information provided in this manual is approximate, the Company reserves the right to modify or improve the models shown for technical or commercial purposes.
  • Page 60 ® P.O. Box 6036 Rocky Mount, NC 27802-6036 Tel.: 252.977.9920 - Fax: 252.977.9718 www.befco.com ®...

This manual is also suitable for:

H70-060H70-072H70-088

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