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Woods RM990-3 Operator's Manual

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REARMOUNT
MOWERS
RM990-3
P990-3
Tested. Proven. Unbeatable.

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Summary of Contents for Woods RM990-3

  • Page 1 REARMOUNT MOWERS RM990-3 P990-3 Tested. Proven. Unbeatable.

  • Page 2: Introduction

    Operator’s Manual. If using the mail-in form, the dealer is to return the prepaid postage portion to Woods, give one copy to the customer, and retain one copy. Failure to register the product does not diminish customer’s warranty rights.

  • Page 3: Table Of Contents

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

  • Page 4: Specifications

    SPECIFICATIONS MODEL RM990-3 MOUNTED P990-3 TOWED Hitch Three Point, Category 1 Towed Cutting Width 90" 90" Cutting Height Range 1" - 8" 1" - 8-1/2" Shipping Weight 930 lbs. 1,000 lbs. Blade Speed (feet per minute) 15,569 15,569 Blade Speed (RPM)

  • Page 5: Safety Rules

    SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Connect PTO driveline directly to power unit Safety is a primary concern in the design and man- PTO shaft. Never use adapter sleeves or adapter ufacture of our products. Unfortunately, our efforts shafts.
  • Page 6 SAFETY RULES ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Never allow riders on power unit or attachment. MAINTENANCE Keep hands, feet, hair, and clothing away from Before dismounting power unit or performing equipment while engine is running. Stay clear of all any service or maintenance, follow these steps: moving parts.

  • Page 7: Safety Decals

    MODEL NO. SERIAL NO. FALLING OFF CAN RESULT IN BEING RUN OVER. Woods Equipment Company Oregon, Illinois, U.S.A. Tractor must be equipped with ROPS (or ROPS CAB) and seat belt. Keep foldable ROPS systems in “locked up” position at all times.
  • Page 8 SHIELD MISSING Replacement safety decals can be ordered free from DO NOT OPERATE PUT SHIELD ON your Woods dealer. To locate your nearest dealer, 18867--B check the Dealer Locator at 6 - 15502 www.WoodsEquipment.com, or in the United States and Canada call 1-800-319-6637.
  • Page 9 SAFETY & INSTRUCTIONAL DECALS ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged! 9 - 19782 11 - 33347 10 - 15503 DAN ER DANGER UARD MISSIN . DO NOT OPERATE. DAN ER ROTATING BLADES AND THROWN OBJECTS Do not put hands or feet under or into mower when engine is running.

  • Page 10: Operation

    Full chain or rubber shielding must be installed when operating in populated areas or other areas where thrown objects could injure people or dam- Figure 1. PTO to Mounting Point Distance - RM990-3 age property. The standard drive is intended for use with tractors that •...
  • Page 11 Measurement at location Hole No. Approximate Cutting Height Hole No. Approximate Cutting Height 1.00" 4.00" 4.50" 1.50" 2.00" 5.00" 2.50" 6.00" 3.00" 7.00" 8.00" 3.5" Figure 3. RM990-3 Cutting Height Adjustment with Front Caster Wheel Operation 11 20944 (Rev. 2/3/2006)
  • Page 12 Connect mower driveline to tractor PTO shaft, making sure spring-activated locking pin slides freely and is seated firmly in tractor PTO spline groove. Figure 4. Top Link Adjustment - RM990-3 When driveline is attached to tractor, attach front drive- Tractor Stability line shield tether chain to the tractor to prevent drive- line shield rotation.
  • Page 13 manual ratchet adjustment link or optional hydraulic ___ Raise and lower equipment to make sure air is cylinder. purged from hydraulic cylinders and hoses. ___ Make sure tractor ROPS or ROPS CAB and seat An optional stroke control kit is available for use with belt are in good condition.
  • Page 14 Tips WARNING WARNING Use extreme care and reduce ground speed on slopes and rough terrain. Inspect and clear area of stones, branches, or Watch for hidden hazards on the terrain during other hard objects that might be thrown, causing operation. injury or damage.
  • Page 15 On pull-type units, place the jack on the tongue for ● Sand down scratches and the edges of areas of parking. Secure driveline up off the ground. missing paint and coat with Woods spray paint of matching color (purchase from your Woods dealer). ●...

  • Page 16: Owner Service

    OWNER SERVICE mower to transfer its weight to the jack stands, but do not raise the rear wheels off of the ground. WARNING When blocking, you must consider overall stability of the unit. Just placing jack stands under the unit will not Before servicing, adjusting, repairing or unplug- ensure your safety.
  • Page 17 damage to U-joints, gearbox, tractor PTO and/or the line in and out to distribute grease over the entire work- mower driveline. Disconnect driveline from the tractor. ing area. Connect driveline to tractor. To lubricate driveline slip joint, insert a grease gun Driveline shield bearings (12) must be greased every through shield slots (keep fingers out of slots to prevent eight hours.
  • Page 18 Figure 10. Belt Installation BELT REPLACEMENT (FIGURE 10) 7. Tighten nut on eyebolt (H). Make sure spring- loaded idler arm pivots freely with belt installed. One of the major causes of belt failure is improper 8. Set belt guide (G) 1/8" away from belt. Tighten to installation.
  • Page 19 Small nicks may be ground out when sharp- ening. WHEEL BEARING MAINTENANCE RM990-3 ONLY Replace blades on a spindle in pairs; an old blade and a new blade may vary excessively in weight and cause At least once each mowing season or 250 hours of vibration.

  • Page 20: Troubleshooting

    TROUBLESHOOTING MOWING CONDITIONS PROBLEM POSSIBLE CAUSE SOLUTION Grass cut higher in center of swath Height of mower higher at rear Adjust mower height and attitude than at edge than at front so that mower rear and front are within 1/2" of same height. Grass cut lower in center swath Height of mower lower at rear than Adjust mower height and attitude...
  • Page 21 TROUBLESHOOTING BELT CONDITIONS PROBLEM POSSIBLE CAUSE SOLUTION Belt slippage Mower overloading; material too Reduce tractor ground speed but tall or heavy maintain full PTO rpm. Cut mate- rial twice, one high pass and then mow at desired height. Cut a par- tial swath.

  • Page 22: Dealer Service

    DEALER SERVICE The information in this section is written for dealer ser- mower to transfer its weight to the jack stands, but do vice personnel. The repairs described require special not raise the rear wheels off of the ground. skills and tools. If your shop is not properly equipped or When blocking, you must consider overall stability of your mechanics are not properly trained in this type of the unit.
  • Page 23 Remove key and pulley. Remove the four bolts and Blade Spindle Assembly nuts attaching spindle to mower frame and remove Bearing cups and cones are designed to work together. spindle. It is important to position them so bearing cone taper Store bushing, pulley and all hardware for reinstalla- mates with bearing cup taper.
  • Page 24 Proper bearing adjustment is essential to good bearing life. Lightly lubricate top seal, locate spring and place seal squarely on housing with spring up away from housing. Follow installation instructions given for bottom seal. Top seal should be flush with, to 1/16" above, housing. Blade Spindle Installation Insert spindle through bottom of mower, positioning grease fitting outward on outer spindles and to the rear...
  • Page 25 U-Joint Disassembly 1. Remove snap rings from inside or outside of yokes in four locations. (Figure 18 only shows the style with internal snap rings.) Figure 20. 4. Place universal cross in vise as shown in Figure 21 and tap on yoke to remove cup. Repeat step three for final removal.
  • Page 26 U-Joint Assembly Leakage can occur at top cover and at shaft seals. Leakage problems should be corrected immediately to 1. Place seals securely on bearing cups (on internal prevent damage to drive belt from gearbox oil. snap ring style only). Always clean any spilled lubricant with a cloth moist- Insert cup into yoke from outside and press in with ened with a non-flammable, non-toxic degreasing...
  • Page 27 nut (19). If nut is too tight to remove with a spanner end of vertical gear shaft (14) with a shot hammer or wrench, loosen with a punch and hammer. equivalent. Carefully remove vertical shaft seal (18) to prevent Install O-ring (17) into groove on vertical gear shaft (14) damage to shaft threads and seal bore.
  • Page 28 1.38 x 2.56 x .38" Seal Retaining ring Shim washer kit Bearing cup Bearing cone 30-Tooth gear and horizontal shaft Bearing cone Bearing cup 3/8" Lock washer 3/8 x 3/4" Bolt 1" Vented pipe plug (used prior to S/N 2000) Gearbox cover Housing 17-Tooth gear and vertical shaft...
  • Page 29 from the top, outside the housing. Support housing faces are rough when new. Check that wear pattern is upside down (top cover surface) and remove bearing smooth. (6) by using a punch and hammer from the bottom side Inspect vertical and horizontal shafts for grooves, of the housing.
  • Page 30 together with dual lip seal (21) by pressing into posi- Drive Pulley Installation tion. Verify that snap ring is seated correctly. Invert gear stand. Press bearing (8) into the housing, using a round tube Install drive pulley and split taper bushing with key on of the correct diameter and a hand press.

  • Page 31: Assembly 31

    (4) and lock washers (5). See Figure 26. Assembly of the mower is the responsibility of the WOODS dealer. It should be delivered to the owner Attach implement end of driveline (1) to gearbox output completely assembled, lubricated, and adjusted for shield (7).
  • Page 32 1. Rear drive shield 2. Driveline 3. Retaining ring (SN 788882 and prior) 4. 1/2" Hex lock nut (SN 788882 and prior) 5. 1/2 x 3" Shear bolt (SN 788882 and prior) 6. Gearbox input shaft 7. Left drive shield bracket 8.
  • Page 33 A-frame bars (5). Re-install bolt (8) (Figure 28) through bars, spacer and top-link clevis (11). The RM990-3 is shipped with Category 1 hitch pins in Tighten all hitch assembly hardware. (See torque chart the shipping location. Remove bolt (1) and hitch pin in Operator’s Manual.)
  • Page 34 1. Wheel yoke assembly 2. Attitude rod 3. 1-1/4 x 3-1/4" Pin 4. 1-5/16 x 1-3/4 x 2-1/8" Sleeve 5. 3/4 x 3/4" Pipe 6. 3/4" Lock nut 7. Ratchet 8. 5/8 x 2" Bolt 9. 5/8 Hex lock nut GR5 10.
  • Page 35 1. Tongue assembly 14. 3/8" Lock washer 2. H-Frame 15. 5/8 x 2-1/4" Clevis pin 3. Carrier bearing housing 16. 5/8 x 3-1/2" Bolt 4. Drive shield 17. 5/8" Flat washer 5. Attitude rod 18. .64 x 1 x 2" Sleeve 6.
  • Page 36 1. Right rear shield assembly 2. Left rear shield assembly 3. 3/8 x 1" Carriage bolt 4. 3/8" Flanged hex lock nut 5. Left front shield assembly 6. Right front shield assembly Figure 31. Chain Shielding Installation Chain Shielding Installation inder is used to replace the ratchet adjustment link.
  • Page 37 6. 3/16" Safety pin Figure 32. Optional Hydraulic Cylinder Installation for P990-3 Optional Front Roller Installation for RM990-3 and P990-3 The optional front roller is designed to carry the center of the mower over uneven ground, minimizing scalping. Front roller mounting brackets use the four mounting bolts of the gear stand.
  • Page 38 Install sleeve (3) on mounting pins and retain with Klik pin. Front Caster Wheel Installation for RM990-3 Remove the front caster wheel and arm assemblies from shipping location along the outer deck rails. Attach adjustment lugs to frame with bolts (16) and nuts (18).
  • Page 39 12. Tire 13. Caster yoke 32. 1/2" x 3-3/4 Cap screw 34. 1/2" Flange lock nut 36. 5/8" x 4 Cap screw 38. 5/8" Hex nut Figure 35. RM990-3 Rear Caster Wheel Installation (Rev. 3/14/2008) Assembly 39 20944 (Rev. 2/3/2006)

  • Page 40: Dealer Checklists

    DEALER CHECKLISTS PRE-DELIVERY CHECKLIST meanings and emphasize the increased safety hazards that exist when safety rules are not followed. (Dealer Responsibility) ___Show customer how to make sure driveline is prop- Inspect the equipment thoroughly after assembly to erly installed and that spring-activated locking pin or ensure it is set up properly before delivering it to the collar slides freely and is seated in groove on tractor customer.

  • Page 41: Parts Lists

    RM990-3 (Mounted Model) RM990-3 & P990-3 Common Parts Main Frame Assembly ......page 42 RM990-3 Main Frame Assembly..........page 44 Gearbox Assembly .

  • Page 42: Rm990-3 & P990-3 Common Parts Main Frame Assembly

    RM990-3 & P990-3 MAIN FRAME ASSEMBLY - COMMON PARTS CD3955E 42 Parts 20944 (Rev. 8/4/2009)
  • Page 43 RM990-3 & P990-3 MAIN FRAME ASSEMBLY - COMMON PARTS PART DESCRIPTION PART DESCRIPTION 307133 M8 x 1.25 x 25 mm Cap screw GR5 ----- Deck (not sold separately) (after S/N 788882) 20787 Belt shield 6697 3/8 NC x 1 Carriage bolt GR5...

  • Page 44: Rm990-3 Main Frame Assembly

    RM990-3 MAIN FRAME ASSEMBLY - MOUNTED MODEL PART DESCRIPTION PART DESCRIPTION 3379 * 1/2 NC x 1-1/2 Cap screw GR5 19975 Hitch pin bracket, left -or- 29561 1/2 NC x 4-3/4 Cap screw GR5 19976 Hitch pin bracket, right 11900...

  • Page 45: P990-3 Main Frame Assembly

    P990-3 MAIN ASSEMBLY - PULL-TYPE PART DESCRIPTION 1093 1/2 NC Heavy hex nut * 1/2 NC Hex lock nut (S/N 788882 PART DESCRIPTION and prior) 7035 1/2 Schedule 40 x 3-9/16 pipe 20266 Tongue assembly 5777 5/8 x 2-1/4 Clevis pin 7668 H-Frame assembly 34473...

  • Page 46: Gearbox Assembly

    GEARBOX ASSEMBLY PART DESCRIPTION 20670 1.76:1 CCW Gearbox 20689 1.38 x 2.56 x .38 Seal 20676 Internal retaining ring, .093 x 2.56 19075 Shim washer kit 2716 Bearing cup 2717 Bearing cone 20680 30-Tooth gear & 1.38 shaft 3586 Bearing cone 3585 Bearing cup * 3/8 Standard lock washer...

  • Page 47: Rear 1/3 Of Universal Drive

    P990-3 REAR 1/3 OF UNIVERSAL DRIVE - PULL-TYPE PART DESCRIPTION 20199 Drive yoke & shaft, shielded 15.50 long 20191 Plastic shield 3.00 x 17.44 (includes items 6 & 7) 20192 Yoke & shaft 14N x 15.50 Universal joint repair kit L14R 20193 Shear yoke, 2000 series (S/N 788882 and prior)

  • Page 48: Gearbox Assembly (After S/N 788882)

    GEARBOX ASSEMBLY - AFTER S/N 788882 PART DESCRIPTION 1001224 Crown gear 22T M5.7 Gearbox housing 57465 Input shaft 1-3/8 - 6 spline 1001218 Output shaft 1001223 Gear pinion 13T M5.7 57477 Bearing cup & cone 57478 Bearing cup & cone 57462 Bearing cup &...

  • Page 49: Front 2/3 Of 3-Joint Drive

    P990-3 FRONT 2/3 OF 3-JOINT DRIVE - PULL-TYPE PART DESCRIPTION 20190 Front 2/3 of 3-joint drive complete 15928 Front 2 joints shielded U-Joint repair kit L14R Lock pin & spring 1-3/8 Quick-disconnect yoke 1251 Bearing holder with bearing 12128 .062 x 72 mm ID Snap ring 3502 1.37 ID x 2.83 OD Ball bearing 2985...

  • Page 50: Drive Shaft For Serial Numbers 725411 And Later

    RM990 DRIVE SHAFT - S/N 725411 AND LATER - MOUNTED MODEL ONLY PART DESCRIPTION 40557 Drive assembly complete (S/N 725411 through 788882) 1001228 Drive assembly complete (after S/N 788882) 40574 Yoke, 1-3/8-6SP (complete with lock collar) Cross and bearing kit 40764 Spring pin 10 mm x 80 mm 40575...

  • Page 51: Blade Spindle Assembly

    RM990-3 & P990-3 BLADE SPINDLE ASSEMBLY PART DESCRIPTION 24520 CCW Blade spindle complete 18359 1-3/8 x 1-3/4 x 5/8 Sleeve 2715 Seal for 1-3/4 shaft 2717 Bearing cone 18361 Spindle housing with cups 2716 Bearing cup ---- * See extended zerk page 44...

  • Page 52: Rubber Shielding Assembly

    RM990-3 & P990-3 RUBBER SHIELDING ASSEMBLY PART DESCRIPTION PART DESCRIPTION 19567 Left rear rubber shield plate 15845 Rubber shield bundle complete 19568 Rubber belt, 3.75 x 48.50 19556 Right front rubber shield plate 19569 Link, .19 x 1.25 x 48.25...

  • Page 53: Chain Shielding Assembly

    RM990-3 & P990-3 CHAIN SHIELDING ASSEMBLY PART DESCRIPTION PART DESCRIPTION 4765 96 4-Link chain, 1/4 proof 20795 Chain shield bundle complete 1256 * 3/16 x 1 Cotter pin 19552 Right front chain shield plate 18150 3/8 x 29-7/8 Pin, 24-chain...

  • Page 54: Front Roller Assembly (Optional)

    * Straight 1/4 tapered thread grease Seal for 1-1/2 shaft fitting (for hub cap) 2303 Bearing cone * Standard hardware, obtain locally RM990-3 & P990-3 FRONT ROLLER ASSEMBLY (OPTIONAL) PART DESCRIPTION 24650 Front roller complete 24583 Front roller, rod & bearings...

  • Page 55: Front Caster Wheel Assembly

    RM990-3 FRONT CASTER ARM ASSEMBLY PART DESCRIPTION PART DESCRIPTION 52744 .752 x 1.125 x .625 HT Bushing 20790KT Complete front caster wheel kit (Solid tires only; includes Ref. 1-30) 21022 1/4 x 2 Spirol pin 20718 13 x 5 x 10 Solid tire...

  • Page 56: Rear Caster Arm Assembly

    RM990-3 REAR CASTER ARM ASSEMBLY PART DESCRIPTION PART DESCRIPTION 52744 .752 x 1.125 x .625 HT Bushing 20776 Rear caster support plate 52741 Axle 20781 Caster wheel arm (includes PN- 31780 bronze bushing, 1-1/4 x 1-1/2 1972 * 1/4-28 Tapered thread grease fitting...

  • Page 57: Hydraulic Hose Kit & Fittings (Optional)

    P990-3 HYDRAULIC HOSE KIT & FITTINGS (OPTIONAL) PART DESCRIPTION 17601 1/4 x 108 Hydraulic hose kit & fittings 17628 1/4 NPT x 108 High pressure hose assembly 10290 1/4 x 1/4 x 90° Elbow with 1/16 restrictor 11893 * 1/2 x 1/4 Pipe reducer bushing * Standard hardware, obtain locally P990-3 HYDRAULIC STROKE CONTROL KIT (OPTIONAL) PART...

  • Page 58: Hydraulic Cylinder (Optional)

    P990-3 3-1/2" BORE X 8" STROKE SINGLE-ACTING HYDRAULIC CYLINDER (OPTIONAL) FOR PULL-TYPE ONLY #10475 is a single-acting cylin- der. Hoses and fittings are installed in one port and vent plug is installed in other port. PART DESCRIPTION PART DESCRIPTION * 1/4 x 1-3/4 Cotter pin ----- Not available 1631...

  • Page 59: With Tri-Lobe Shaft For Serial Numbers 577001 Thru 725410

    RM990-3 FRONT 1/2 DRIVE ASSEMBLY WITH TRI-LUBE SHAFT FOR S/N 577001 - 725410 MOUNTED MODEL ONLY PART DESCRIPTION 53453 Complete drive, profile shield 50, 16.9, 1.38 - front half 51179 50 QD Yoke, 1-3/8 6B 36990 U-Joint repair kit 50 53456 Yoke &...

  • Page 60: Standard Drive

    RM990-3 FRONT 1/2 DRIVE ASSEMBLY WITH SQUARE SHAFT FOR S/N 57700 AND BELOW MOUNTED MODEL ONLY Standard Drive PART DESCRIPTION 19988 Drive, female half shielded, 1800, 18.4, 1.38 15510 1-3/8 QD Splined yoke, 1800 -or- 19894 1-1/8 Splined yoke 1800...

  • Page 61: Long Drive

    RM990-3 REAR 1/2 DRIVE ASSEMBLY WITH SQUARE SHAFT FOR S/N 57700 AND BELOW MOUNTED MODEL ONLY PART DESCRIPTION 19994 Drive male half shielded, 1800, 20.44, 1.38 19996 Shield, non-rotating, 2.50 x 2.50 x 19.9 19995 Yoke & shaft male telescoping, 1800 x 20.44...

  • Page 62: Quick Hitch Kit (Optional)

    QUICK HITCH KIT (OPTIONAL) PART DESCRIPTION 1003692 Link, offset .38 x 2.0 x 15 1005401 Chain 3/8 proof coil 38 link 38214 Sleeve, .91 x 1.44 x 1.25 13563 * Cap screw 1/2 NC x 6 GR5 * Washer, flat 1/2 ZP 29368 Sleeve, .50 x .75 x 3.38 11900...

  • Page 63: 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 64: 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 ....American Society of Agricultural &...

  • Page 65: Index 65

    Removal Shear Bolt Replacement Universal Joint Repair Shielding Repair Assembly Chain Shielding Disassembly Side Skide Repair Wheel Spindle Repair Wheel Bearing Maintenance - RM990-3 Only GENERAL PARTS Abbreviations Bolt Size Chart Bolt Torque Chart General Information General information SAFETY Introduction Safety &...
  • Page 66 DSO1260, DS1440, TS1680 Under no circumstances will this Warranty apply in the event that the product, in the good faith opinion of WOODS, has been subjected to improper operation, improper maintenance, misuse, or an accident. This Warranty does not apply in the event that the product has been materially modified or repaired by someone other than WOODS, a WOODS authorized dealer or distributor, and/or a WOODS authorized service center.
  • Page 67 ©1995 Woods Equipment Company. All rights reserved. WOODS, the Woods logo, and "Tested. Proven. Unbeatable." 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.
  • Page 68 PART NO. 20944 Woods Equipment Company 2606 South Illinois Route 2 Post Office Box 1000 Oregon, Illinois 61061 815-732-2141 tel 815-732-7580 fax © 1995 Woods Equipment Company. All rights reserved. www.woodsonline.com...

This manual is also suitable for:

P990-3

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