User ManualTable of ContentsTW1201OPERATOR’S MANUAL1RHINO®1To the Owner/Operator/Dealer2ROTARY CUTTER1DEALER to CUSTOMER Pre-Delivery/ Operation Instructions5LUBRICATION & HYDRAULICS5MOWER5ATTACHMENTS & INSTALLATION5MOWER TO TRACTOR CONNECTIONS5SAFETY ITEMS5Table of Contents6GENERAL SAFETY INSTRUCTIONS AND PRACTICESOPERATOR SAFETYCONNECTION OR DISCONNECTING IMPLEMENT SAFETYCRUSHING HAZARDSTHROWN OBJECTS HAZARDS1. MARK objects that cannot removed.2. AVOID these objects when mowing.1. MAINTAIN MOWER SHIELDING, side skirts, skid shoes, and blades in good operational condition,2. RAISE CUTTING HEIGHT to 6 INCHES minimum,3. INSPECT AREA thoroughly before mowing to REMOVE potential THROWN OBJECT HAZARDS,4. NEVER ALLOW BLADES to CONTACT SOLID OBJECTS like wire, rocks, post, curbs, guardrails, or ground while mowing. PN TO02THROWN OBJECTS HAZARDS (CONTINUED)1. BLADES CAN FAIL from impact and objects can be thrown with great velocity.2. INSPECT and REPLACE any damaged blades.3. CHECK blade carrier balance and REPLACE if damaged.1. STOP PTO and back up mower.2. LOWER mower, engage PTO and mow forward.1. STOP PTO and tractor ENGINE.2. INSPECT mower for vibration source3. REPLACE any damage parts and bent or damaged BLADES. PN TO02-XRUN OVER HAZARDSPTO ENTANGLEMENT HAZARDSMOWER BLADE CONTACT HAZARDSHIGH PRESSURE OIL LEAK HAZARDSELECTRICAL & FIRE HAZARDSTRANSPORTING HAZARDSHAZARDS WITH MAINTENANCE OF IMPLEMENTPARTS INFORMATIONDecal Location - Lift Type1. D389 1 DECAL Multi Hazard2. D388 1 DECAL Driveline Hazards3. 00756004 3 DANGER D/L Shield Missing. Do Not Operate4. 00756005 (2) DANGER Rotating D/L Entanglement5. D137 1 INSTRUCT CCW Blade Rotation6. D138 1 INSTRUCT CW Blade Rotation7. D454 1 WARNING Crushing Hazard (Decal under Deck)8. 00771283 3 INSTRUCT 5 Year Gearbox Warranty9. 99102 1 NAME Rhino (2.8” x 10”)10. D303 2 NAME Rhino Type (4-3/8 x 16-3/4)11. 00785891 2 NAME TW120 (Large)12. 00785892 1 NAME TW120 (Small)13. D302 2 LOGO Rhino Logo (4-7/8 x 6-1/2)14. 03200347 * REFLECTOR SMV Sign15. 00760657 1 IMPORTANT Rhino Genuine Parts, Rotary Mower16. nfs 1 SER PLT Serial Number Plate17. D401 1 INSTRUCT 1000 RPM Overlay18. 1458392 2 REFLECTOR Red Reflectors19. 1458393 2 REFLECTOR Amber Reflectors20. 00776031 1 Canister, Operator’s Manual21. 00762120C 1 Operator’s Manual22. 10058000 3 Bolt23. 00024100 6 Flatwasher24. 02959924 3 Locknut25. D614 3 DANGER Thrown Object Shield Missing26. D534 2 WARNING Blade Bolt Torque27. D629 1 INSTRUCT Lubrication PointsDecal Location - Pull TypeDecal DescriptionFederal Laws and RegulationsSAFETY SECTIONEquipment Specifications93KEY OPERATION POINTS94Operating Noise Level/Sound Pressure94Warranty information94RHINO LIMITED WARRANTY951. LIMITED WARRANTIES951.01. Rhino warrants for one year from the purchase date to the original non-commercial, governmental, or municipal purchaser (“Purchaser”) and warrants for six months to the original commercial or industrial purchaser (“Purchaser”) that the ...951.02. Manufacturer will replace for the Purchaser any part or parts found, upon examination at one of its factories, to be defective under normal use and service due to defects in material or workmanship.951.03. This limited warranty does not apply to any part of the goods which has been subjected to improper or abnormal use, negligence, alteration, modification, or accident, damaged due to lack of maintenance or use of wrong fuel, oil, or lubricants, ...951.04. Except as provided herein, no employee, agent, Dealer, or other person is authorized to give any warranties of any nature on behalf of Manufacturer.952. REMEDIES AND PROCEDURES.952.01. This limited warranty is not effective unless the Purchaser returns the Registration and Warranty Form to Manufacturer within 30 days of purchase.952.02. Purchaser claims must be made in writing to the Authorized Dealer (“Dealer”) from whom Purchaser purchased the goods or an approved Authorized Dealer (“Dealer”) within 30 days after Purchaser learns of the facts on which the claim is based952.03. Purchaser is responsible for returning the goods in question to the Dealer.952.04. If after examining the goods and/or parts in question, Manufacturer finds them to be defective under normal use and service due to defects in material or workmanship, Manufacturer will:952.05. Purchaser is responsible for any labor charges exceeding a reasonable amount as determined by Manufacturer and for returning the goods to the Dealer, whether or not the claim is approved. Purchaser is responsible for the transportation cost for...953. LIMITATION OF LIABILITY.953.01. MANUFACTURER DISCLAIMS ANY EXPRESS (EXCEPT AS SET FORTH HEREIN) AND IMPLIED WARRANTIES WITH RESPECT TO THE GOODS INCLUDING, BUT NOT LIMITED TO, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.953.02. MANUFACTURER MAKES NO WARRANTY AS TO THE DESIGN, CAPABILITY, CAPACITY, OR SUITABILITY FOR USE OF THE GOODS.953.03. EXCEPT AS PROVIDED HEREIN, MANUFACTURER SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO PURCHASER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS, OR DAMAGE CAUSED OR ALLEGED TO BE CAUSED DIRECTLY OR INDIRECTLY BY THE GOODS INCLU...953.04. NO ACTION ARISING OUT OF ANY CLAIMED BREACH OF THIS WARRANTY OR TRANSACTIONS UNDER THIS WARRANTY MAY BE BROUGHT MORE THAN TWO (2) YEARS AFTER THE CAUSE OF ACTION HAS OCCURRED.954. MISCELLANEOUS.954.01. Proper Venue for any lawsuits arising from or related to this limited warranty shall be only in Guadalupe County, Texas.954.02. Manufacturer may waive compliance with any of the terms of this limited warranty, but no waiver of any terms shall be deemed to be a waiver of any other term.954.03. If any provision of this limited warranty shall violate any applicable law and is held to be unenforceable, then the invalidity of such provision shall not invalidate any other provisions herein.954.04. Applicable law may provide rights and benefits to purchaser in addition to those provided herein.95INTRODUCTION SECTION91DEALER SETUP INSTRUCTIONS98A-FRAME ASSEMBLY-LIFT TYPE981. Insert bushing (5) into lower end of each A-Frame half (1 & 2). Position each A-Frame half so the large hole in the top is towards the tractor. Install 3/4” x 2" bolt (10) with Flatwasher (14) through bushing (5) in A-Frame half (1 & 2) and rear...982. Install bushing (8) between braces (3) through top rear hole of A-frame and insert bolt (12), flatwasher (14) and locknut (13).983. Install bushing (22) between A-Frame halves (1 & 2) and insert bolt (23) and locknut (13). Install bushings (6) through Braces (4) and install bolt 3/4” x 5" (10), flatwashers (14) and locknut (13).984. Attach Braces (3) to Braces (4) with bushings (6), flatwashers (14), bolt 3/4” x 2-1/2” (16), and locknut (13). Retain the rear of Braces (3) together with bushing (15), bolt 3/4” x 2-1/2” (11) and locknut (13). Attach braces (4) together ...985. Install Brace supports (4) to the rear lugs on the Main Frame with bolts 3/4” x 2" (10), flatwashers (14), bushings (6) and locknuts (13).981. 1 A-Frame - RH992. 1 A-Frame - LH993. 2 Brace994. 2 Brace995. 6 Bushing 1-1/8OD x 9/16 Lg996. 1 Nut997. 2 Spacer998. 2 Bolt999. 1 Bolt9910. 2 Bolt9911. 9 Nut9912. 8 Washer9913. 1 Spacer9914. 2 Bolt9915. 1 Bolt9916. 1 Pin9917. 2 Pin9918. 3 Clip9919. 1 Bushing 1 1/4 x 2 1/8 Lg9920. 1 Bolt9921. 1 Nut99TAIL WHEEL ASSEMBLY - LIFT TYPE1001. Attach Beam Support Weldments (2) to the Main Frame Assembly with 1/2” x 1-1/2” Bolts (6) & Locknuts(7).1002. Slide the Beam Weldment (1) through Bracket (3) and attach to the Mower Lugs with 5/8” x 4-1/2” Bolt(4) and Locknut(5).1003. Install 1/2” x 1-1/2” Bolts (6) through Beam Support Weldment (2) and Bracket (3). (Install through pair of holes which will give approximate desired cutting height). Install Locknut (7).100TONGUE - PULL TYPE100AXLE ASSEMBLY - PULL TYPE101CONTROL RODS - PULL TYPE101CUTTER LEVELING102HYDRAULIC OR MANUAL LIFT103WHEELS - PULL TYPE103DRIVELINE ATTACHMENT104SHIELD ASSEMBLY104JACKSHAFT BEARING SUPPORT ASSEMBLY105CV JACKSHAFT SUPPORT ASSEMBLY105DRIVELINE CLAMP CONE YOKE OPERATING INSTRUCTIONS106FRONT AND REAR DEFLECTORS (Standard Equipment)106CHAIN GUARDS (Optional Equipment at extra cost)106Rear Deflector107CHAIN GUARD (EXTRA EQUIPMENT)107Front Chain Guards107Rear Chain Guards108CHECK CHAINS (EXTRA EQUIPMENT) FOR LIFT-MODELS108ASSEMBLY SECTION97OPERATION SECTION109RHINO TW120 ROTARY MOWER110OPERATION INSTRUCTIONS1101. OPERATOR REQUIREMENTS1112. TRACTOR REQUIREMENTS112Tractor Requirements and Capabilities1122.1 ROPS and Seat Belt1122.2 Tractor Safety Devices1132.3 Tractor Horsepower1132.4 3-Point Hitch1132.5 Drawbar-Pull Type Mower1142.6 Front End Weight1142.7 Power Take Off (PTO)1152.8 Tire Spacing1153. GETTING ON AND OFF THE TRACTOR1163.1 Boarding the Tractor1163.2 Dismounting the Tractor1164. STARTING THE TRACTOR1175. CONNECTING THE MOWER TO THE TRACTOR1185.1 Connecting the Mower-Lift Type and Semi-Mount Type1181. Make sure the tractor is equipped with the correct PTO shaft. Change shafts if needed.1182. Shorten or remove the tractor drawbar to avoid interference when raising and lowering the mower.1183. Board the tractor and start the engine. Position the tractor to the mower with the 3-point lift arms positioned between the respective set of mower A-frame lift lugs. Note: Set the 3-point lift control to “Position Control” so that the lift ar...1184. Turn off the tractor engine, set the parking brake, place the tractor in park, and dismount.1185. One lift arm at a time, align arm end hole between the set of holes of A-frame lift lugs. Insert hitch pin through the lug and arm holes and insert retaining pin into hitch pin. Walk around to opposite side and repeat procedure for remaining lift ...1186. Lift Mowers-Extend or retract the 3-point top link to align its end hole with the holes of the mower’s top link. Insert the top link hitch pin and insert retaining pin into hitch pin. Adjust any lower link check chains, guide blocks, or sway blo...1185.2 3-Point Quick Hitch1195.3 Connecting Mower - Lift Type (Quick Hitch)1191. Make certain the implement’s upper and lower hitch pins are secured.1192. Lower the tractor’s 3-point lift until the three Quick-Hitch hooks are lower than the implements hitch pins. Carefully back the tractor to align the Quick-Hitch hooks under the implement’s hitch pins.1193. Slowly raise the tractor’s 3-point lift until the lower Quick-hitch hooks lock into place over the implement’s 3-point hitch pins.1191. Driveline length1192. Tractor stability1195.4 Safety Tow Chain1205.5 Connecting the Mower-Pull Type1201. Make sure the tractor is equipped with the correct PTO shaft and the drawbar is extended 14” from the end of the PTO shaft to the hitch point.1202. Block the mower wheels in place and use the attached parking jack to raise or lower the tongue clevis to the height of the tractor drawbar. The parking jack can be rotated 15 degrees in each direction to obtain a near vertical position. Note: Alwa...1203. Board the tractor and start the engine. Back the tractor to the mower aligning the drawbar hitch hole with the mower hitch clevis. Turn off the tractor engine, set the parking brake, place the tractor in park, and dismount.1204. To attach the mower, place two 1” flatwashers (1) positioned under top lip of tongue clevis and to the top of drawbar. Add additional 1” flatwashers (2) between the bottom of drawbar and bottom lip of clevis to fill open space. Insert a 3/4”...1205. Securely attach mower safety chain to tractor drawbar or drawbar support frame.1206. Lower the jack until the tongue is completely supported by the drawbar. Remove jack from the tongue and place on storage bracket of mower main frame.1207. If using a hydraulic cylinder, connect hydraulic hose ends into tractor hydraulic ports.1218. If the mower has been attached to a 3-point hitch drawbar, adjust any tractor equipped lower link check chains, guide blocks, or sway blocks to prevent the hitch and mower from swaying side to side. Note: Never raise the 3-point lift with the mowe...1216. SETTING THE MOWER1216.1 Setting Mower Height- Lift Type1211. Park the tractor and mower on level ground.1212. Using the 3-point hitch control lever, position the front of the mower with its side skids 1” less off the ground than desired cut height. For example, for a 3” cut, position the skids 2” from the ground. Set the 3-point control lever stop a...1213. Shut down the tractor and remove the key.1214. Level the mower deck front to rear by extending or retracting the 3-point top link.1215. Level the mower side to side by manipulating one lower lift arm length. On most tractors, at least one of the lift arms is designed to allow for manipulation of its length. Shortening or extending will allow for deck leveling from side to side.1226. Securely block up the mower at this height.1227. Remove the bolts securing the tailwheel beam support brackets and allow the tailwheel(s) to rest at ground level. Align beam and positioning bracket holes with closest set of holes in support brackets and reinstall securing the beam(s) in position...1223. Extend the tractor’s top 3-point link so that when lifting the mower, the front of the deck will raise 2 to 2½” before the tail wheel(s) leaves the ground. This will allow the mower to follow the contour of uneven terrain.1226.2 Setting Mowing Height-Pull Type1221. Park the tractor and mower on level ground.1222. Using the tailwheel ratchet jack or hydraulic cylinder, position the mower so the skid shoes are 1” less off the ground than the desired final cut height. For example, if a 3” cut is desired, raise or lower the mower until the skid shoes are 2...1223. Adjust the mower leveling rod so that the front of the mower is approximately 3/4” lower that the rear.1224. If the mower is attached to a 3-point hitch drawbar, adjust any tractor equipped lower link check chains, guide blocks, or sway blocks to prevent the hitch and mower from swaying from side to side. Never raise the 3-point lift with the mower attac...1226.3 Setting Deck Pitch1237. DRIVELINE ATTACHMENT1237.1 Driveline Length Check1247.2 Constant Velocity (CV) Driveline1268. PRE-OPERATION INSPECTION AND SERVICE1278.1 Tractor Pre-Operation Inspection/Service1288.2 Mower Pre-Operation Inspection/Service1298.3 Cutting Component Inspection1328.4 Blade Bolt Inspection1349. DRIVING THE TRACTOR AND IMPLEMENT1379.1 Starting the Tractor1389.2 Brake and Differential Lock Setting1389.3 Raising the Mower1399.4 Driving the Tractor and Mower1399.5 Crossing Ditches and Steep Inclines14010. OPERATING THE TRACTOR AND IMPLEMENT14110.1 Foreign Debris Hazards14210.2 Bystanders/Passersby Precautions14210.3 Engaging the Power Take Off (PTO)14310.4 PTO RPM and Ground Speed14410.5 Operating the Mower14410.6 Right of Way (Highway) Mowing1471. MAINTAIN MOWER SHIELDING in good operational condition,1472. DAILY INSPECT the condition of the Thrown Object Guards, mower Side Skirts, and skid shoes: Replace or repair worn or damaged guards.1473. DAILY INSPECT the condition of the Blades and Blade Bolts. Replace any cracked, worn, bent or damage blades. Always replace blade bolts and nuts when replacing blades. Make sure the blade bolts are properly tightened.1474. RAISE CUTTING HEIGHT to 6 INCHES minimum.1475. INSPECT AREA thoroughly before mowing to REMOVE potential THROWN OBJECT HAZARDS.1476. NEVER ALLOW BLADES to CONTACT SOLID OBJECTS like wire, rocks, posts, curbs, guardrails, or ground while mowing.1471. MARK objects that cannot be removed.1472. AVOID these objects when mowing.14710.7 Shutting Down the Implement14811. DISCONNECTING THE MOWER FROM THE TRACTOR14812. MOWER STORAGE15013. TRANSPORTING THE TRACTOR AND IMPLEMENT15013.1 Transporting on Public Roadways15113.2 Hauling the Tractor and Implement15314. TROUBLESHOOTING GUIDE154Problem Possible Cause Remedy154Blades worn, dull, or bent. Replace blades.154(Refer to “Maintenance” section).154Mower not level side to side. Adjust. (Refer to “Assembly” section)154Improper height adjustment. Adjust Mower height.154(Refer to “Assembly” section)154Low tractor tire pressure on Adjust tire pressure.154one side (Refer to your tractor154operator's manual)154Turning too fast. Reduce ground speed when turning.154Tractor tires push grass down. Adjust your tractor wheel spacing.154(Refer to “Operation” section)154Damaged Mower pan. Repair or replace as necessary.154RPM too low Use full PTO speed. (Refer to your154tractor operator's manual)154Improper blade for direction of cut. Install blades so rotation is correct.154rear to hold and circulate material longer. (Refer to the “Operation Section-Setting the Mower-Setting Deck Height”) Reduce ground speed.154Cutting too high. Lower cutting height. (Refer to the154“Operation Section-Setting the Mower- Setting Deck Pitch”)154or Uneven rear. (Refer to the “Operation Section154Setting the mower-Setting Deck Height”)154Excessive ground speed Reduce ground speed.154Conditions too wet. Wait for conditions to dry. Reduce154ground speed.154Blade Bolts Working Loose Bolts not tightened. Tighten Bolts to 300 ft./lbs.155Bolt hole elongated or oversized. Replace Blade Carrier.155Locknut worn out. Replace Locknut.155Rough gears. Run in or change Gears.155Worn Bearing. Replace Bearing.155Bent Shaft. Replace Oil Seal and Shaft.155Oil Seal Race rough. Replace Shaft or repair Race.155Oil Seal installed wrong. Replace Seal.155Oil Seal not sealing in the housing. Replace Seal or use a sealant on O.D.155of Seal.155Oil level too high. Drain oil to proper level.155Gasket damaged. Replace Gasket.155Bolts loose. Tighten Bolts.155Sand hole in casting. Replace castings or gearbox.155Blades unable to cut that part of ground speed of tractor but keep155grass pressed down by path of engine running at full PTO wpm.155tractor tires. Lowering the cutting height may help.155Dull blades. Sharpen or replace blades.155Height of cutter lower at rear or See Cutting Height Instructions.155front.155Improper type lubricant. Replace with proper lubricant.155Excessive trash build-up around Remove trash.155gearbox.155Bearing or gears set up improperly. Consult your Dealer.155Excessively 540 RPM.155Heavy Material. Reduce ground speed. Raise cutting155height.155Not using proper pin. Replace only with recommended155shear pin.155PTO engaged at high engine RPM Idle engine to engage PTO155Cutting in rocky conditions Increase cutting height.155Blade carrier RPM too high. Check gearbox ratios.155Blades not properly heat treated. Consult your Dealer.155Blades not properly heat treated. Consult your Dealer.155MAINTENANCE SECTION157HAZARDS WITH MAINTENANCE OF IMPLEMENT158Lubrication159GEARBOX162DRIVELINES162MAIN & JACKSHAFT DRIVELINE SHIELDS1641. Loosen 11/16” bolt end one revolution.1662. Insert drift punch (max. diameter 0.375) into hole opposite the hex head and impact with hammer.1663. Repeat operations 1 & 2.1664. Remove clamping cone from yoke and yoke from shaft.166BLADE SERVICING166BLADE SHARPENING167BLADE CARRIER REMOVAL167BLADE CARRIER INSPECTION168BLADE CARRIER INSTALLATION169BLADE REMOVAL169Blade Bolt Inspection170BLADE TIMING PROCEDURE1711. Raise the mower to minimum height to allow sufficient clearance between the mower deck and ground to visually inspect blade carriers.1712. Completely shut down the tractor and secure the tractor in position by placing the tractor in park and setting the parking brake. Securely block the mower at this height.1713. On a side gearbox, remove connecting driveline coupler.1714. Manually rotate carriers until blades are positioned at near 90 degree angle from one another. See Fig. Mnt-R-01021715. Replace connecting driveline and coupler.1716. Manually spin carriers a complete rotation to ensure blades do not collide with one another.171STORAGE1731. Thoroughly clean the cutter.1732. Lubricate the cutter as covered in Maintenance Section.1733. Tighten all bolts and pins to the recommended torque.1734. Check the cutter for worn or damaged parts. Make replacements immediately.1735. Place driveline in storage position resting on bracket.1736. Store the cutter in a clean, dry place with the cutter housing resting on blocks.1737. Use spray touch-up enamel where necessary to prevent rust and maintain the appearance of the cutter.173PROPER TORQUE FOR FASTENERS173Size: 24.8 MBPages: 194Languages: English, EspañolOpen manual
