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Woods BH85 Operator's Manual

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BACKHOE
BH85 & BH100

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Summary of Contents for Woods BH85

  • Page 1 BACKHOE BH85 & BH100...

  • 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

    BH85 & BH100 SPECIFICATIONS English Metric Description Illustration BH85 BH100 BH85 BH100 Tractor PTO HP 30 - 100 HP 40 - 100 HP 22 - 75 kw 30 - 75 kw Digging Depth - Maximum 103 in. 121 in. 2616 mm 3073 mm Digging Depth - 2’...
  • Page 5 BH85 & BH100 SPECIFICATIONS Introduction 5 MAN1272 (10/22/2019)

  • Page 6: General Information

    GENERAL INFORMATION ARNING Some illustrations in this manual show the ■ backhoe with safety shields removed to provide a better view. The backhoe should never be operated with any safety shielding removed. The purpose of this manual is to assist in setting up, operating and maintaining your backhoe.

  • Page 7: Safety 7

    SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! PREPARATION Safety is a primary concern in the design and manufacture of our products. Unfortunately, our  Check that all hardware is properly installed. efforts to provide safe equipment can be wiped Always tighten to torque chart specifications out by an operator’s single careless act.

  • Page 8: Operation

    SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!  A minimum 25% of tractor and equipment (Safety Rules continued from previous page)  weight must be on tractor front wheels when  Connect PTO driveline directly to power unit attachments are in transport position.

  • Page 9: Transportation

    SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!  Keep materials & equipment a minimum of 2 ft.  Do not use backhoe for craning; it is primarily from the edge of excavation. designed for digging. Mechanical failures such as hose rupture will cause a load to drop suddenly.

  • Page 10: Storage

    SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!  Before working on backhoe, extend boom and  Make sure all safety decals are installed. dipperstick and place bucket on ground. Shut off the Replace if damaged. (See Safety Decals section for location.) tractor engine.

  • Page 11: Safety & Instructional Decals

    Replace safety decals if they are missing or illegible. 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 12 SAFETY & INSTRUCTIONAL DECALS ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged! 2 - PN 618131 3 - PN 618133 4 - PN 1008365 13 - PN 606323 12 - PN 1032572 6 - PN 618130 14 - PN 20106 (RED REFLECTOR) 9 - PN 618132 15 - PN 18868 12 Safety...

  • Page 13: Operation 13

    OPERATION The operator is responsible for the safe operation of Never operate without 3-point hitch Saf-T-Lok ■ ® kit or sub-frame kit. the backhoe within its intended uses. The backhoe is intended for digging trenches, wider holes, moving soil, Operator’s area (shaded area of 40” radius) ■...

  • Page 14: Pto Hydraulic Pump (Optional)

    PTO HYDRAULIC PUMP (OPTIONAL) Lower stabilizers until they carry the weight of the back- hoe (see Control Handle Operation section for ARNING instructions on operation of stabilizer controls). If trac- tor is equipped with a front loader, place the bucket flat on the ground.

  • Page 15: Excavation

    DIPPER AND BUCKET CONTROLS (Handle 3, Fig- After becoming familiar with the backhoe operation, ure 5) practice coordinated use of the controls in a safe open area at reduced engine speed. Gradually increase Pulling the handle back (toward E) moves dipper down engine speed as the technique is mastered.
  • Page 16 Starting Excavation Dump and Return Cycle Keep the swing-dump-return cycle as brief as possible. To start the excavation, position backhoe as shown in Keep dipper moving outward and start boom swing as Figure 7 for maximum breakout force. soon as the bucket clears the excavation. Continue extending dipper and, as you approach the spoil pile, start to dump bucket.

  • Page 17: Thumb Operation

    Do not use the thumb to rake material. ● Do not use the thumb to push or pull material. ● Do not use the side of the thumb to move material. ● Do not use as a lifting device with chain or rope. ●...

  • Page 18: Transportation

    3. Install transport lock pin through boom and swing frame and secure with lock pin. 4. Always raise lock stabilizers before transporting backhoe. See Figure 14. Figure 13. Thumb Storage Position TRANSPORTING ARNING Figure 14. Lock Pins Installed for Transportation ...

  • Page 19: Backhoe Removal & Storage

    BACKHOE REMOVAL AND STORAGE 3. Position tractor on a hard level surface, center the backhoe boom and install swing transport lock pin. ANGER 4. Raise boom and remove boom transport lock pin 5. Remove stabilizer transport lock pins, lower  The only time the backhoe may be operated stabilizers and take weight of backhoe off of rear from a position other than the operator seat is tractor tires.

  • Page 20: Pre-Operation Checklist

    PRE-OPERATION CHECK LIST For Tractors with Open-Center Valves (OWNER'S RESPONSIBILITY BEFORE EACH USE) NOTE: See the sub-frame mounting kit manual that fits your tractor for specific instructions. The operator should perform the following check list Stop tractor and remove key. before operating backhoe.

  • Page 21: Owner Service 21

    Wear safety goggles. Hydraulic fluid under pressure can easily penetrate Figure 18. Relief Valve, BH85 & BH100 skin and will cause serious injury or death.  Make sure that all operating and service person-...

  • Page 22: Cleaning

    ● Sand down scratches and the edges of areas of ● crop residue, etc. from machine. missing paint and coat with Woods spray paint of Inspect machine and replace worn or damaged matching color (purchase from your Woods ● parts.

  • Page 23: Lubrication & Maintenance Schedule

    Inspect and replace any safety decals 8 hours, or daily Safety decals are available at no that are missing, or not readable. charge from your Woods dealer. Make sure that shields and guards are 8 hours, or daily properly installed and in good condition.

  • Page 24: Troubleshooting

    TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Noisy pump caused by cavitation Oil too heavy Change to proper viscosity. Oil filter plugged Replace filter. Suction line plugged or too small Clean line and check for size. Suction line kinked Replace line. Oil heating Oil supply low Fill reservoir.

  • Page 25: Dealer Service 25

    Adjust screw  Before working on backhoe, extend boom and to attain 2465 psi for BH85 & BH100. Shut off tractor dipperstick and place bucket on ground. Shut off and replace cap.

  • Page 26: Adjust Control Valve Linkage

    6. Valve relief 2465 psi 7. Valve relief 2610 psi 8. Valve relief / anti-cav 2465 psi Figure 20. BH85 & BH100 Control Valve Assembly ADJUST CONTROL VALVE LINKAGE When completing a maintenance function on the valve, perform a functional test by placing control handles in Reconnect control linkage to valve.

  • Page 27: Hydraulic Cylinder Repair

    NOTE: Spanner wrench 1021841 is available from connected. Woods to help with assembly and disassembly. Swing Cylinders (Figure 22) Disassembly On spanner nut style cylinders, unscrew spanner nut (6) using a spanner wrench, or carefully use a punch and hammer.
  • Page 28 Assembly solvent and blow dry with low pressure air. Inspect inside diameter of barrel. Replace cylinder if damaged. Lubricate O-rings and seals with clean hydraulic fluid. Install back-up washer (E) on rod guide (2), then install Assembly O-ring (D) in exterior O-ring groove of rod guide. Install rod seal (F) into inner groove of rod guide with open For these assembly instructions the front surface of the portion of V-groove toward piston.

  • Page 29: Assembly 29

    The backhoe must only be mounted with a tractor 3- wooden pallet. To remove the backhoe from the pallet point hitch using WOODS 3-Point Mount Kit or a use a lifting strap rated for at least 3000 lbs and posi- WOODS Sub-Frame Kit.

  • Page 30: Hydraulic Installation

    Bucket Installation (Figure 27) ARNING Buckets are heavy and can cause muscle ■ strain or back injury. Use lifting aids and proper lift- ing techniques when installing. 1. Remove pivot pins (4 & 5) from end of bucket link (3) and dipper (1). 1.

  • Page 31: Optional Equipment

    OPTIONAL EQUIPMENT Power to the backhoe can be supplied directly from the tractor hydraulic system. A hydraulic requirement of 10 gallons per minute and 2500 PSI is necessary to 1006610KT Stabilizer Street Pad operate the backhoe efficiently. 1/2" diameter Installation (Figure 29) hoses (SAE 100 R1 with 3000 PSI working pres- sure) should be used to connect the hydraulic source 1.
  • Page 32 8. Rotate thumb tube up and connect to the thumb bracket using pin (6). Secure pin with hex bolt (15) and lock nut (16). 1. Thumb BH85 / BH100 2. Thumb channel 3. Thumb bucket 4. Thumb tube 5. Pin 1.50 x 11.32 6.

  • Page 33: Dealer Check Lists 33

    DEALER CHECK LISTS PRE-DELIVERY CHECK LIST DELIVERY CHECK LIST (DEALER’S RESPONSIBILITY) (DEALER’S RESPONSIBILITY) Inspect the backhoe (and sub-frame when applicable) ___ Present Operator's Manual (and sub-frame thoroughly after assembly to be certain it is set up manual when applicable) and request that cus- properly before delivering it to the customer.
  • Page 34 NOTES 34 Dealer Check Lists MAN1272 (10/22/2019)

  • Page 35: Parts Index

    PARTS INDEX BH85 & BH100 MAIN FRAME ASSEMBLY ......36 - 37 SWING FRAME ASSEMBLY .
  • Page 36 BH85 & BH100 MAIN FRAME ASSEMBLY 36 Parts MAN1272 (10/22/2019)
  • Page 37 MAIN FRAME ASSEMBLY PARTS LIST PART DESCRIPTION PART DESCRIPTION 1 602935RP 1 Main frame BH85 / BH100 923 * 1/4 x 1-3/4 cotter pin 2 603735RP 2 Stabilizer arm W74058 Clamp .625 DIA steel cushion 1017808 2 Stabilizer pad 6698 *...
  • Page 38 BH85 & BH100 SWING FRAME ASSEMBLY PART DESCRIPTION PART DESCRIPTION 602935RP 1 Main frame BH85 / BH100 765 * Lock nut 1/2 NC ZP 602934RP 1 Swing frame BH100 10509 * HHCS 5/16 NC x 2-1/2 GR5 603604RP 1 Swing frame BH85...
  • Page 39 1 Cylinder 3.15 x 1.57 x 21.38 (BH100) 1011842 2 Stud 1/4 - 20 UNC x 3.00 602217 1 Cylinder 3.15 x 1.57 x 17.38 (BH85) ------ 2 Nut 1/4 - 20 UNC blind hole 602222 1 Cylinder 2.95 x 1.57 x 22.25 (BH100)
  • Page 40 BH85 & BH100 DIPPER / BUCKET ASSEMBLY PART DESCRIPTION PART DESCRIPTION 1 602933RP Dipper BH100 37839 3 Pin, clevis 1.25 x 9.25 602945RP Dipper BH85 1020014 1 Pin, 1.50 x 8.61 602753 Bucket 12" 601271 2 Rivet, blind .25 x .53 x .06 - .25 602754 Bucket 15"...
  • Page 41 BH85 & BH100 VALVE HARDWARE PART DESCRIPTION PART DESCRIPTION 618139 1 6 spool monoblock valve repair 37577 Washer, .328 x .463 x .093 (see page 41) 6250 * HHCS 5/16 NC x 1-1/4 GR5 ZP 605185RP 2 Control handle 4528 *...
  • Page 42 BH85 & BH100 CONTROL VALVE ASSEMBLY PART DESCRIPTION PART DESCRIPTION 618139 Valve - 6 Spool MBLK repair 53381 Valve relief / anti-cav 2470 PSI 1011953 Spool 4 position float 602216 Valve relief / anti-cav 3045 PSI 1011954 Spool 3 position...
  • Page 43 SWING CYLINDER ASSEMBLY REF PART DESCRIPTION REF PART DESCRIPTION 12296 Grease fitting 1/4 - 28 Wear ring Rod guide Piston seal Rod assembly O-ring O-ring Piston Backup ring Spanner nut Rod seal 602220 Complete swing cylinder Rod wiper Set screw N/S Not serviceable Wear ring Retaining ring...
  • Page 44 Seal Kit Function Assembly Style Length Bore Dia Rod Dia (Includes A - H) Stabilizer 602224 Tube 21.00 2.95 1.50 606316 Dipper (BH85) 602226 Tang 29.75 2.95 1.57 606317 Dipper (BH100) 602222 Tang 32.12 2.95 1.57 606317 Boom (BH85) 602217 Clevis 25.62...
  • Page 45 Hose, 3/8 78 9/16 JICF 9/16 JICF 37508 2 Adapter .094 9/16 JICM 9/16 ORBM 606307 Hose, 3/8 79 9/16 JICF 9/16 JICF 602776 2 Feedline BH85 & BH100 606308 Hose, 3/8 94 9/16 JICF 9/16 JICF 606309 Hose, 3/8 98 9/16 JICF 9/16 JICF 606310...
  • Page 46 Hose, 3/8 78 9/16 JICF 9/16 JICF 37508 2 Adapter .094 9/16 JICM 9/16 ORBM 606307 Hose, 3/8 79 9/16 JICF 9/16 JICF 602776 2 Feedline BH85 & BH100 602228 Hose, 3/8 101 9/16 JICF 9/16 JICF 602229 Hose, 3/8 106 9/16 JICF 9/16 JICF 602230...
  • Page 47 602759 MECHANICAL THUMB ASSEMBLY (OPTIONAL) PART DESCRIPTION 602759 BH85/100 Mechanical thumb kit - 15", 18", 24" bucket 602926RP Thumb BH85/100 602929RP Thumb channel 603588RP Thumb bracket 603550RP Thumb tube 604336 Pin 1.50 x 11.32 (use bolt and nut from backhoe) 1045272 Pin 1.00 x 7.75...
  • Page 48 HYDRAULIC THUMB ASSEMBLY (OPTIONAL) PART DESCRIPTION ------ BH85/100 Hydraulic thumb kit - 15", 18", 24" bucket 602926RP Thumb BH85/100 603588RP Thumb bracket 602227 Cylinder 2.48 x 1.50 x 16.75 604336 Pin 1.50 x 11.32 (use bolt and nut from backhoe) 1045272 Pin 1.00 x 7.75...
  • Page 49 2 Nut lock 3/8 NC flange (BH100) 1020211 NS 1 Plug - PBY (see page 42) 606312 2 Hose, 3/8 131 9/16 JICF 9/16 JICF (BH85) 62367 2 Adapter 9/16 JICM 9/16 ORBM Not shown 1009496 2 Bulkhead 9/16 JIC 9/16 JIC...
  • Page 50 HYDRAULIC THUMB ASSEMBLY (OPTIONAL) CONTINUED PEDAL & LINKAGE ASSEMBLY PART DESCRIPTION 1031145 Monoblock valve, 1 spool (see page 51) 605440RP Thumb pedal 604335 Bar linkage 604334 Flange sleeve .376 x .627 x .500 14350 * Nut lock 3/8 NC flange 37577 Washer, .328 x .463 x .093 6250 *...
  • Page 51 HYDRAULIC THUMB VALVE (OPTIONAL) PART DESCRIPTION 1031145 Valve Assembly, 1 Spool 33339 Check Valve Assembly 38632-1 Plug, 3/4 SAE with o-ring 53381 Relief Valve Assembly 2400 psi 1011955 Spool, Position Control Assy, 3 Position 1011954 Spool, 3 Position 33346 Spool Seal Repair Kit Not Shown STABILIZER STREET PAD KIT (OPTIONAL) PART...

  • Page 52: Appendix

    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 53: Bolt Size Chart & 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....

  • Page 54: 54 Index

    INDEX ASSEMBLY OPERATION General Assembly Instructions 29 Backhoe Removal and Storage Bucket Installation 30 3-Point Mount Removal 19 4-Point Sub-Frame Mount Removal 19 Hydraulic Installation 30 Disconnect Tractor Hydraulics 19 Open-Center Valve 31 Pump Mounting Bracket Installation 31 Control Handle Operation 14 Lifting Backhoe from Pallet 29 Excavation Dump and Return Cycle 16...

  • Page 55: Repair Parts Warranty

    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.

  • Page 56: 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.

This manual is also suitable for:

Bh100

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