Woods DBH5.31 Operator's Manual
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Woods DBH5.31 Operator's Manual

Ditch bank rotary cutter
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ROTARY CUTTER
DITCH BANK
DBH5.31
DBH5.31Q
DBH6.31
DBH6.31Q

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Summary of Contents for Woods DBH5.31

  • Page 1 DITCH BANK ROTARY CUTTER DBH5.31 DBH5.31Q DBH6.31 DBH6.31Q...

  • Page 2: Introduction

    TO THE OWNER: Read this manual before operating your Woods equipment. The information presented will prepare you to do a better and safer job. Keep this manual handy for ready reference. Require all operators to read this manual carefully and become acquainted with all adjustment and operating procedures before attempting to operate.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........2 SPECIFICATIONS.

  • Page 4: Specifications

    SPECIFICATIONS DBH5.31 DBH5.31Q DBH6.31 DBH6.31Q Cutting Width 60" 60" 72" 72" PTO Speed (rpm) 1000 1000 Blade Tip Speed (feet per minute) 15,800 16,000 18,900 17,700 Minimum Tractor Weight Recommended 4000 lbs 4000 lbs 5000 lbs 5000 lbs Minimum Tractor HP Recommended...

  • Page 5: Safety Video Order Form

    Safety Video Order Form BE SAFE! BE ALERT! BE ALIVE! BE TRAINED Before Operating Mowers! Safety Training Does Make a Difference. ASSOCIATION OF EQUIPMENT MANUFACTURERS Watch a Mower Safety Video Online The AEM (Association of Equipment Manufacturers) offers a safety training video, Industrial and Agricultural Mower Safety Practices.
  • Page 6 Also, available from the Association of Equipment Manufacturers: A large variety of training materials (ideal for groups) are available for a nominal charge from AEM. Following is a partial list: Training Package for Rotary Mowers/Cutters-English ● Contains: DVD & VHS (English) Guidebook for Rotary Mowers/Cutters (English) AEM Industrial/Agricultural Mower Safety Manual (English) AEM Agricultural Tractor Safety Manual (English)

  • Page 7: Safety Rules

    SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!  Never allow children or untrained persons to Safety is a primary concern in the design and operate equipment. manufacture of our products. Unfortunately, our efforts to provide safe equipment can be wiped PREPARATION out by an operator’s single careless act.
  • Page 8 SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!  Remove accumulated debris from this equip-  Use additional caution and reduce speed when ment, power unit, and engine to avoid fire hazard. under adverse surface conditions, turning, or on inclines.
  • Page 9 SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!  Look down and to the rear and make sure area  Keep all persons away from operator control is clear before operating in reverse. area while performing adjustments, service, or maintenance.

  • Page 10: Safety Decals

    SAFETY & INSTRUCTIONAL DECALS ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged! 14 - SERIAL NUMBER PLATE 2 - PN 1004114 1 - REAR RED REFLECTOR (PN 57123) 6 - FRONT AMBER REFLECTOR (PN 1002940) (Safety Decals continued on next page) 10 Safety MAN1248 (2/26/2018)
  • Page 11 SAFETY & INSTRUCTIONAL DECALS ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged! (Safety Decals continued from previous page) 3 - PN 18866 -or- PN 15922 4 - PN 29029 -or- 5 - PN 1003751 7 - PN 18865 (Safety Decals continued on next page) Safety 11 MAN1248 (2/26/2018)
  • Page 12 SAFETY & INSTRUCTIONAL DECALS ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged! (Safety Decals continued from previous page) 12 - PN 33347 8 - PN 18964 9 - PN 19924 10 - PN 15503 (Safety Decals continued on next page) 12 Safety MAN1248 (2/26/2018)
  • Page 13 Replacement safety decals can be ordered free from your Woods dealer. To locate your nearest dealer, check the Dealer Locator at www.WoodsEquipment.com, or in the United States and Canada call 1-800-319-6637.

  • Page 14: Operation 14

    DBH6.30. Tractors should have a minimum 3-point This machine is a heavy-duty cutter designed for ditch- lift capacity of 2500 lbs for the DBH5.31 and 3000 lbs bank and side bank mowing. Five foot and six foot cut- for the DBH6.31.
  • Page 15 CONNECT CUTTER TO TRACTOR Category 3 Standard Hitch 1. Position tractor lower lift arms between hitch mast Tractor Adjustments plates. Before attaching tractor to cutter, install sway blocks or 2. Insert lower hitch pins to Cat 3 position through sway chains, or adjust stabilizer bars. Refer to the trac- mast plates and tractor lower lift arms in either the tor operator's manual for instructions.
  • Page 16 Cutting Height Adjustment a doctor familiar with this form of injury or gan- grene, serious injury, or death will result. It is recommended that level cutting be practiced. This CONTACT A PHYSICIAN IMMEDIATELY IF FLUID is done by following these steps: ENTERS SKIN OR EYES.
  • Page 17 This cutter is operated with tractor controls. Engage the PTO control at idle rpm to prevent undue stress on The DBH5.31 and DBH6.31 mowers are supplied with tractor, cutter drivelines and gearboxes. Set tractor a temperature gauge mounted on top of the reservoir. If PTO speed and tractor throttle to operate at either 540 the oil temperature gets over 180°F, stop mowing until...
  • Page 18 TRANSPORT WARNING ■ Before transporting, stop tractor PTO, raise cutter hitch, then raise cutter head and install transport bar. A raised cutter head can fall and crush. Keep away; never go underneath. Lower cut- ter head after transport and for storage. Transport lock-up bar should be used when unit is under transport.

  • Page 19: Owner Service 19

    OWNER SERVICE The information in this section is written for operators who possess basic mechanical skills. If you need help, your dealer has trained service technicians available. CAUTION For your protection, read and follow the safety informa-  Always wear relatively tight and belted clothing tion in this manual.
  • Page 20 Gearbox Each Woods gearbox is equipped with tapered bear- BLADE SERVICING ings throughout. These bearings are preset at the fac- tory and normally do not require adjustment during their useful life. Gearbox must be half full of SAE 90 CAUTION gear lube.
  • Page 21 1. Sharpen both blades at the same time to maintain Blade Installation balance. Follow original sharpening pattern. (Figure 4) 2. Do not sharpen blade to a razor edge - leave at NOTICE least a 1/16” blunt edge. ■ Crossbar rotation is counter-clockwise when 3.
  • Page 22 Inspect machine and replace worn or damaged parts. ● Sand down scratches and the edges of areas of missing paint and coat with Woods spray paint of matching color (purchase from your Woods dealer). ● Replace any safety decals that are missing or not readable (supplied free by your Woods dealer).

  • Page 23: Trouble Shooting 23

    TROUBLE SHOOTING HYDRAULIC CIRCUIT SCEMATIC Trouble Shooting 23 MAN1248 (2/26/2018)
  • Page 24 TROUBLE SHOOTING Problem Possible Cause Solution Does not cut Dull blades Sharpen blades. Worn or broken blades Replace blades. (Replace pairs only.) Incorrect PTO speed Be sure PTO speed is set at 540 or 1000 RPM. Make sure to check your unit’s rated PTO speed.
  • Page 25 TROUBLE SHOOTING Problem Possible Cause Solution Oil Foam Air getting in around pump shaft Replace seal. seal Low on oil Add oil to 5” on dip stick. Air getting in around or through Check and tighten fittings or if suction hose fitting necessary, put a clamp on hose.
  • Page 26 TROUBLE SHOOTING Problem Possible Cause Solution Oil heats (exceeds 200°F) Overloading mower capacity Reduce tractor speed and raise mower cutting height. (Keep aver- age motor supply oil pressure below 1300 psi.) Oil too heavy or light Use oil recommended on page 20. Clean or replace filter.

  • Page 27: Dealer Service 27

    DEALER SERVICE The information in this section is written for dealer ser- Leakage at the horizontal gasket or seal can be vice personnel. The repair described here requires repaired without removing the gearbox from the cutter. special skills and tools. If your shop is not properly SEAL INSTALLATION equipped or your mechanics are not properly trained in this type of repair, you may be time and money ahead...
  • Page 28 GEARBOX REMOVAL 2. Gearbox (6) should be mounted with breather port facing upwards. Verification of correct output shaft (See Figure 19) should be made by first rotating input shaft counter-clockwise and identifying output shaft with CCW rotation (while viewing output shaft). If gearbox vent is incorrectly located, swap plug with vent.
  • Page 29 7. Taking care to capture oil, loosen adapter (4) below pump flange. Torque fasteners in cross fashion to valve so that valve may be loosened and rotated 85 lbs-ft torque. CCW. Adapter jam nut is to be loosened. 2. Attach 1" boss O-ring fitting (4) to top of pump (1) 8.
  • Page 30 PUMP & MOTOR SEAL AND GEAR REPLACEMENT The pump and motor are designed to provide power to the cutting deck. Lower cutting power can be traced to worn items inside pump and motor. Be sure to perform filter and strainer maintenance as directed. Elevated operating temperatures (above 180 degrees F.) reduce pump and motor seal life.
  • Page 31 Pump or Motor Disassembly (See Figure 22) 1. Remove six screws (1) and ring (2). 2. Slide front cover (5) from shaft (11), retain shaft seals (3) and washer (4). 3. Remove O-ring (6), back-up rings (8), seals (9) from thrust plates (10) at both ends of gears. Replace all these items with seal kit replacement part.
  • Page 32 5. Apply 2 pints of gear oil to spindle flange (2). 14. Follow the steps to remove blades. (See Page 20). 6. Apply motor (1) with attached hoses (11 & 12) to 15. Inspect spindle flange. Rotate and manipulate spindle flange (2). shaft assessing soundworthiness of bearings.
  • Page 33 CROSSBAR Position tube assembly (5) with threaded nut toward crossbar. Install pad assembly (4) in nut on square tube Removal assembly. For crossbar removal, it is necessary to gain access to Bolt square tube assembly to the clevises using 5/8" x bottom side of cutter.
  • Page 34 Installation Figure 26. Figure 28. 1. Using emery cloth (220 or finer), remove surface 2. With snap rings removed, support drive in vise, rust and foreign material from hub, splined gearbox hold yoke in hand and tap on yoke to drive cup up vertical shaft, and crossbar.
  • Page 35 U-Joint Assembly Figure 32. 1. Place seals securely on bearing cups. Insert cup into yoke from outside and press in with hand Figure 30. pressure as far as possible. Insert journal cross into bearing cup with grease fitting away from 4.

  • Page 36: Dealer Check Lists

    DEALER CHECK LISTS PRE-DELIVERY CHECK LIST DELIVERY CHECK (DEALER’S RESPONSIBILITY) (DEALER’S RESPONSIBILITY) Inspect the equipment thoroughly after assembly to ___ Instruct customer how to lubricate and explain ensure it is set up properly before delivering it to the importance of lubrication. customer.

  • Page 37: Assembly 37

    The cutter is shipped mostly assembled but requires pin and two shipping brackets at deck. Do not lift dealer set-up. The Woods dealer should deliver the unit from below hitch as unit is prone to tipping cutter to the owner completely assembled, lubricated, under this condition.
  • Page 38 (See Figure 35) SAE 30-30W for temperatures above 90°F Woods Ditch Bank Cutter can accommodate a variety SAE 20-20W for temperatures 35°F to 90°F of suitcase weights. Refer to Figure 35 to understand the application. Four counter balance bars (1) are pro- SAE 10-10W for temperatures below 35°F...
  • Page 39 (Refer to Figure 36 to screw (3) and lock nuts(4). understand the application). Two skids (1), nine Woods counter balance plates (2) and six 3/4" cap screws (3) Additional counter balance weights are available using and lock nuts (4) are provided.
  • Page 40 1. Skid 2. Woods counter balance weight 3. 3/4 NC x 7 HHCS, GR5 4. 3/4 NC Lock nut Figure 36. Woods Counter Balance Tail Wheel (Optional) (See Figure 36) 1. Place 1 x 2.9 pin (2) from tail wheel ratchet thru top hitch hole.
  • Page 41 Gage Wheel (Optional) 2. Unclamp the hose from motor at the hose support above the gearbox. (See Figure 37) 3. Loosen JIC of bypass hose connection at the Gage wheel is applied to right (and optionally the left) bypass valve and remove from tee. side of 5 or 6 foot deck.
  • Page 42 1. 1/4 NC x 1-1/2 HHCS, GR5 2. 1/2 NC x 1-1/4 HHCS, GR5 3. 1/2 NC Flange lock nut 4. Vibration isolator bushing 5. Vibration isolator ring 6. Isolator sleeve 7. Oil cooler 8. Cooler filter bracket 9. Cooler bracket 10.

  • Page 43: Parts Index

    PARTS INDEX Rotary Cutters: DBH5.30, DBH6.30 DBH5.30Q, DBH6.30Q CENTER SECTION ASSEMBLY ......... . 44 CUTTER HEAD SECTION ASSEMBLY .
  • Page 44 MAIN FRAME ASSEMBLY 44 Parts MAN1248 (2/26/2018)
  • Page 45 MAIN FRAME ASSEMBLY PART DESCRIPTION REF PART DESCRIPTION 22348 * 8 1/4 NC x 2 HHCS, GR5 599244 Flexible drive coupler 1285RP * 4 1/4 x 1-1/2 Cotter pin 32 1041546 Transport lock-up bar 2371RP * 4 3/4 NC Lock nut 502746 Pump pressure tube 3379RP * 3...
  • Page 46 CUTTER SECTION ASSEMBLY 46 Parts MAN1248 (2/26/2018)
  • Page 47 CUTTER SECTION ASSEMBLY PART DESCRIPTION PART DESCRIPTION 639 * 4 1/2 NC x 2-1/2 HHCS, GR5 603476RP Linkage at hitch 1285RP * 8 1/4 x 1-1/2 Cotter pin 602749 Motor supply tube 22348 1/4 NC x 2 HHCS, GR5 602747 Motor return tube 10290 1/4 x 1/4 90°...
  • Page 48 HYDRAULIC TANK ASSEMBLY PART DESCRIPTION PART DESCRIPTION 2457 * 1/4 NC x 3/4 HHCS, GR5 1041645 Strainer, tank mounted 3379RP * 1/2 NC x 1-1/2 HHCS, GR5 1041647 Cap, breather 4510 1/2 Pipe plug 1043880 Filter bracket 5337 * 1/4 NC x 1/2 HHCS, GR5 1042378 Adapter, 1"...
  • Page 49 GEARBOX ASSEMBLY REF PART DESCRIPTION REF PART DESCRIPTION 1045127 Complete gearbox, (DBH5.30 & DBH6.30) A/R Shim, 35.25 x 48 x .25 1045126 Complete gearbox, (DBH5.30Q) A/R Shim, 35.25 x 48 x .5 1041525 Complete gearbox, (DBH6.30Q) A/R Shim, 35.25 x 48 x 1.0 Gearbox housing Spacer, 41.5 x 47.5 x 8.3 Retaining ring...
  • Page 50 DRIVE ASSEMBLY REF PART DESCRIPTION REF PART DESCRIPTION 1041535 Complete drive assembly - 540 RPM 1041536 Complete drive assembly - 1000 RPM 1045104 Inner half shaft with shield 1044919 Push collar yoke, 1-3/8-6 (540 RPM) 1045105 Outer shield bearing 1044920 Push collar yoke, 1-3/8-21 (1000 1045106 Cone locking pin...
  • Page 51 CHAIN SHIELD ASSEMBLY DBH5.31 CHAIN SHIELD DBH6.31 CHAIN SHIELD REF PART DESCRIPTION REF PART DESCRIPTION 6697RP * 16 3/8 NC x 1 Carriage bolt, GR5 6697RP * 16 3/8 NC x 1 Carriage bolt, GR5 2 14350RP * 16 3/8 NC Flange hex lock nut...
  • Page 52 GAUGE WHEEL ASSEMBLY (OPTIONAL) PART DESCRIPTION PART DESCRIPTION 1041840 Gauge wheel assembly, complete 15573RP Sleeve 1.0 x 1.25 x 5.81 855RP 1/2 lock washer 15574RP Sleeve 1.25 x 1.50 x .903 1386RP 1 NC jam nut 15575RP Sleeve 1.25 x 1.50 x 1.860 1863RP 1 flat washer 34279RP...
  • Page 53 PUMP & MOTOR WEAR REF PART DESCRIPTION 1045124 Seal kit, hydraulic motor FLEXIBLE DRIVE COUPLER REF PART DESCRIPTION 1041528 Flexible coupler assembly 1001042 M16-2.0P x 90 mm HHCS 1045116 Yoke, 1-3/8 - 6 spline 1045115 Yoke, 1-1/4 - 14 spline 1008146 M16 x 2.0P Lock nut 1008142 12 Bushing...
  • Page 54 TAILWHEEL ASSEMBLY (OPTIONAL) PART DESCRIPTION PART DESCRIPTION 1043273 Tailwheel assembly, complete 15573RP 1.00 x 1.25 x 5.8 Sleeve 855RP * 1/2 Extra heavy lock washer 15574RP 1.25 x 1.50 x .9 Sleeve 1285RP * 1/4 x 1-1/2 Cotter pin 15575RP 1.25 x 1.50 x 1.8 Sleeve 1386RP 1 NC Hex jam nut...
  • Page 55 OIL COOLER ASSEMBLY (OPTIONAL) PART DESCRIPTION PART DESCRIPTION 1041830 Oil cooler assembly, complete 1042390 1 x 6 Nipple, Schd 40 3184 * 1/4 NC x 1-1/4 HHCS, GR5 1042391 1" Pipe, street elbow 6100RP * 1/2 NC x 1-1/4 HHCS, GR5 1042399 Tee, 1"...
  • Page 56 COUNTER BALANCE KIT (OPTIONAL) REF PART DESCRIPTION 1045138 Counter balance kit, complete 1045134 Woods counter balance weight 2 57798RP 3/4 SAE Hardened flat washer 12410 3/4 NC x 7 HHCS, GR5 302207 3/4 NC Flanged lock nut HHCS Hex Head Cap Screw...
  • Page 57 NOTES Parts 57 MAN1248 (2/26/2018)

  • Page 58: Bolt Torque Chart

    BOLT TORQUE CHART Always tighten hardware to these values unless a different torque value or tightening procedure is listed for a specific application. Fasteners must always be replaced with the same grade as specified in the manual parts list. Always use the proper tool for tightening hardware: SAE for SAE hardware and Metric for metric hardware. Make sure fastener threads are clean and you start thread engagement properly.

  • Page 59: Bolt Size Chart And Abbreviations

    BOLT SIZE CHART NOTE: Chart shows bolt thread sizes and corresponding head (wrench) sizes for standard SAE and metric bolts. SAE Bolt Thread Sizes 5/16 Metric Bolt Thread Sizes 10MM 12MM 14MM 16MM 18MM ABBREVIATIONS AG .............. Agriculture MPa............Mega Pascal ASABE ....American Society of Agricultural &...

  • Page 60: Index

    INDEX Connect Cutter to Tractor Mounted & Semi-Mounted ASSEMBLY Category 2 & 3 Quick Hitches Dealer Set-up Instructions Category 2 Standard Hitch Category 3 Standard Hitch DEALER CHECK LISTS Tractor Adjustments Delivery (Dealer’s Responsibility) Pre-Operation Check List Pre-Delivery (Dealer’s Responsibility) Tractor and Cutter Operation Hydraulic Drive DEALER SERVICE...

  • Page 61: Product Warranty

    The limited warranty covers any defects in the material and/or workmanship. Following the proper, recommended installation by an authorized Woods Dealer and normal use of a Woods mounting and backhoe or loader, if a tractor incurs damage resulting from the attachment, Woods will cover the existing tractor warranty in the event the manufacturer voids its tractor warranty because of the attachment.
  • Page 62 Woods logo are trademarks of Woods Equipment Company. All other trademarks, trade names, or service marks not owned by Woods Equipment Company that appear in this manual are the property of their respective companies or mark holders. Specifications subject to change without notice.

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