Rhino Mounts FN20 manual

©2010 Alamo Group Inc. FN20/FN14 NITRO Published 02/10 Part NO. 00778645C OPERA T OR’S MANUAL RHINO ® 1020 S. Sangamon A ve. Gibson City , IL 60936 800-446-5158 Email: parts@servis-rhino.com FLEX-WING MECHANICAL LEVEL LIFT ROT AR Y MOWER This Operator' s Manual is an integral p art of the safe opera tion of this machine and must be maintai[...]

T o the Owner/Operator/Dealer All implement s with moving part s are potentially hazard ous . There is no substitute for a cautio us , safe-minded operator who recognizes the potential hazards and follows reasonab le safety practices. The manufacturer has designed this impleme nt to be used with all its safety equipment properly a ttached to m inim[...]

T ABLE OF CONTENTS SAFETY SECTION ............................ .............................. .............................. 1-1 General Safety Instructions and P ractices ................. ................ ................ ................ ................. ...................... 1-2 Operator Safety Instructions and Practices ..... .......... ....[...]

Brake and Differential Lock Setting .................. .................... ................ ................ ................ ...... ................. .... 4-29 Operating the Mower Wings ...... ................ ............. ............. ................ ............. ............. ............ .................... . 4-29 Transport Position .....[...]

In order to reduce accidents and enha nce the safe operation of mowers, Alamo Gr oup Ag Division, in cooperation with other industry manufacturers has develo ped the AEM/FEMA Industrial and Agricultural Mower Safety Practices video and guide book. The video will familiari ze and instruct mower -tractor operators in safe practic es when using indust[...]

Alamo Gr oup Ag. Division is willing to pr ovide one (1) AEM Mower Safety Practices V ideo Please Send Me: VHS Format – AEM/FEMA Mower Operator Safety V ideo DVD Format – AEM/FEMA Mower Operator Safety V ideo Mower Operator ’ s Manual AEM Mower Operator ’ s Safety Manual Requester Name Phone: Requester Address: City S tate Zip Code Mower Mo[...]

Safety Section 1-1 © 2010 Alamo Group In c. SAFETY SECTION[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-2 © 2010 Alamo Group In c. SAFETY General Safety Instruct ions and Practices A careful operator is the best opera tor . Safe ty is of primary import ance to the manu facturer and should be to the owner/operator . Most accidents ca n be avoided by being aware of your eq uipment, your surroundings, and o[...]

SAFETY FN20/FN14 NI TRO 02/1 0 Safety Se ction 1-3 © 2010 Alamo Group In c. SAFETY Operator Safety Instr uctions and Practices Engine Exhaust, some of its constitue nts, a nd cert ain vehicle compone nts cont ain or emit chemicals known to the st ate of California to cause cancer and birth defects or oth er reproductive harm. (S G-30) Battery post[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-4 © 2010 Alamo Group In c. SAFETY Always read carefully and comply fully with the manufacturer ’ s instructions when handling oil, solvents, cleansers, a nd any other chemical agent. (SG-22) KEEP A W A Y FROM ROT A TING ELEMEN TS to prevent ent anglement and possible serious injury or death. (SG-24) [...]

SAFETY FN20/FN14 NI TRO 02/1 0 Safety Se ction 1-5 © 2010 Alamo Group In c. SAFETY Equipment Operation Safety Instructions and Practices Avoid contact with hot su rfaces of the engine or muffle r . Use glo ves and eye protection when servicing hot component s. Contact with a hot surface or fluid can cause serious injury from burns or scalding. (SG[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-6 © 2010 Alamo Group In c. SAFETY Do not operate Mower if excessive vibration exists. Shut down PTO and the T ractor engine. In spect the Mower to determ ine the so ur ce of the vibration. If Mower blades are missing or dam aged replac e them immed iately . Do not ope rate the mo wer until the blades h[...]

SAFETY FN20/FN14 NI TRO 02/1 0 Safety Se ction 1-7 © 2010 Alamo Group In c. SAFETY Do not operate this Equi pment with hy draulic oil or fuel leaking. Oil and fuel are explosive and the ir presence could present a ha zard. Do not check for leaks with your hand! High-pr essure oil streams from breaks in the line co uld penetrat e the skin and cause[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-8 © 2010 Alamo Group In c. SAFETY There are obvio us and hidden potential h azards in the operation of th is Mower . REMEMBER! This machine is often operated in heavy brush and in heavy weeds. The Bla des of this Mower ca n throw objects if shields are not pro perly installed an d maintained. Se rious [...]

SAFETY FN20/FN14 NI TRO 02/1 0 Safety Se ction 1-9 © 2010 Alamo Group In c. SAFETY Follow these guidelines to reduce the risk of equipment and grass fires while operating, servicing, and rep airing the Mower and T ractor: -Equip the T ractor with a fire ext i nguisher in an accesible location. -Do Not oper ate the Mower on a T ractor with an und e[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 10 © 2010 Alamo Group In c. SAFETY Rotary Mowers are capa ble under adverse conditions of throwing objects for great dist ances (300 feet or more) an d causing serious injury or death. Follow safety messag es carefully . STOP MOWING IF P ASSERSBY ARE WITHIN 100 Y ARDS UNLESS: -Front and Rear Deflecto[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-11 © 2010 Alamo Group In c. SAFETY Connecting or Disconn ecting Implement Safet y Instructions and Practices DO NOT use a PTO ada pter to attach a non-matching Im plement driveline to a T ractor PTO. Use of an a dapter can double the ope rating speed of the Implemen t resulting in excessive vibration, [...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 12 © 2010 Alamo Group In c. SAFETY T ransporting Safety Inst ructions and Practices Be particularly ca reful when transporting the Im ple ment with the T ractor . Tur n curves or go up hills only at a low speed and using a grad ual steering angle. Rear mounted implements move the center of gravity to[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-13 © 2010 Alamo Group In c. SAFETY T ransport only at speeds where you can maintain con trol of the equipment. Seriou s accidents and injuries can result from o perating this equipment at high speeds. Underst and the T ractor and Implem ent and how it handles before transporting on stree ts and highway[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 14 © 2010 Alamo Group In c. SAFETY Maintenance and Service Saf ety Instructions and Practices Secure the Implemen t for transpor t before traveling o n public roads. For pull-type Implement s, secure the center a xle using cylinder stop s or transport pin and properly attach a safety chain between th[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-15 © 2010 Alamo Group In c. SAFETY Never work under the Implement, the fra mework, or any lifted component unless the Implement is securely supported o r blocked up to prevent sudden or inadvertent falling which could cause serious injury or even death. (SG-14) Never attempt to lubricate, adju st, or r[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 16 © 2010 Alamo Group In c. SAFETY S torage and Parking Safety Instructions and Practices Concluding Safety In structions and Practices PA R T S I N F O R M AT I O N Rhino mowers use bala nced and matched system compone nts fo r blade carriers, blades, cuttershaf ts, knives, knife hangers, roll ers, [...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-17 © 2010 Alamo Group In c. SAFETY Decal Location NOTE: Rhino supplies safety decals on this product to pr omote safe operation. Damage to the decals may occur while in shipping, us e, or recond itioning. Rhin o cares ab out the safety of its customers, op erators, an d bystanders, and will replace th [...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 18 © 2010 Alamo Group In c. SAFETY ITEM P ART NO. QTY TYPE DESCRIPTION 1. D389 1 DECAL Lift Unit Decal Sheet 2. D388 1 DECAL Driveline Hazards 3. D390 1 DECAL Pull T ype Units 4. D417 3(2) IMPORT ANT Replace Blades in Pairs 5. 00753840 3(1) DANGER Folding Wing Thrown Object s 6. D401 1 INSTRUCT 1000 [...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-19 © 2010 Alamo Group In c. SAFETY Decal Description Multi Hazard Decal Sheet P/N D389 Decal D389 consist s of the following multi-hazards.[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 20 © 2010 Alamo Group In c. SAFETY Driveline Hazards P/N D388 Decal D388 consist s of th e following multi-hazards.[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-21 © 2010 Alamo Group In c. SAFETY Multi Hazard Decal Sheet P/N D390 Decal D390 consists of the following multi-hazards.[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 22 © 2010 Alamo Group In c. SAFETY IMPORT ANT! Always replace blades in pairs. P/N D417 DANGER! S tay clear when lowering or raising wings. P/N 00753840 1000 RPM P/N D401 DANGER! Keep everyone clear when lifting, folding, and working und er raised component s. Block securely before wo rking under mow[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-23 © 2010 Alamo Group In c. SAFETY For safety and to guarantee optimum product reliability always u se genuine RHINO replaceme nt parts. P/N 00760657 DANGER! Guard Missing, Do Not Oper ate. If you see this decal, Do No t Operate the mower until the shield has been replaced. P/N 00756004 P/N D558 NAME L[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 24 © 2010 Alamo Group In c. SAFETY Blade Rotation Counter Clockwise. P/N D137 Blade Rotation Clockwise. P/N D138 INFORMA TION - 5 Y ear Gearbox W arranty P/N 00771283 INFORMA TION - 2 Y ear Driveline W arranty P/N 00771284[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-25 © 2010 Alamo Group In c. SAFETY Logo Product Name: Rhino P/N 99102 Logo Product Name: Rhino P/N D302 P/N D303 Logo Produc t Name: R hino Slow Moving V ehicle Decal. Keep SMV reflector clean and visible. DO NOT transpo rt or operate without the SM V . P/N 03200347[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 26 © 2010 Alamo Group In c. SAFETY Red Reflector . Keep reflectors clean and visible. P/N 1458392 Amber Reflector . Keep reflectors clean and visible. P/N 1458393 Read Operato r ’s Manual! The operator ’s ma nual is located inside this canister . If the manual is missing order one from you r deal[...]

SAFETY FN20/FN14 NITRO 02/10 Safety Section 1-27 © 2010 Alamo Group In c. SAFETY W ARNING! Jack - Maximum Capacity 3,200 lbs. Side Load 2,0 00 lbs. P/N D482 IMPORT ANT! T ransport La tch - Lower and lock before transp orting mower ro adway . P/N D520 DANGER! Crushing Hazard - Falling Wings P/N D519 DANGER! Crushing Hazard - T ranspo rt Latch P/N D[...]

SAFETY FN20/FN14 NITR O 02/10 Safety Section 1- 28 © 2010 Alamo Group In c. SAFETY Federal Laws and Regulations This section is intend ed to explain in br oad terms the co ncept and effect of federal la ws and regulations concerning employe r and employee equipme nt operat ors. This section is not intend ed as a legal interpretation of the law an [...]

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Introduction Section 2-1 © 2010 Alamo Group Inc. INTRODUCTION SECTION[...]

INTRODUCTION FN20/FN14 NI TRO 02/1 0 Introductio n Section 2- 2 © 2010 Alamo Group Inc. INTRODUCTION This Rotary Mower is designed with ca re and built with quality materials by skilled workers. Proper as sembly , maintenance, and ope rating practices, as described in this manual, will help t he owner/operator get years of satisfactory service fro[...]

INTRODUCTION FN20/FN14 NI TRO 02/1 0 Introductio n Section 2- 3 © 2010 Alamo Group Inc. INTRODUCTION Y our FN20 NITRO is a super -duty Cutter /Shredder design ed primarily for weed and grass control, br ush up to 4-1/2" diame ter , and shredding row crops such as cotton and corn st alks. With proper maintenance as described in this manual, yo[...]

INTRODUCTION FN20/FN14 NI TRO 02/1 0 Introductio n Section 2- 4 © 2010 Alamo Group Inc. INTRODUCTION Attention Owner/Operator BEFORE OPERA TING THIS MACHINE: 1. Carefully read the Operator’s Manual, completely underst and the Safety Messages and in structions, and know how to operate correctly both the tractor and implement. 2. Fill out the W ar[...]

Assembly Section 3-1 © 2010 Alamo Group In c. ASSEMBL Y SECTION[...]

ASSEMBLY FN20/FN14 NI TRO 02/1 0 Assembly Sectio n 3-2 © 2010 Alamo Group In c. ASSEMBL Y DEALER SET -UP INSTRUCTIONS The mower as received from the factory is virtually completely assembled an d requires minimum time to complete assembly ready for sale. ASSEMBL Y Select a suit able work area large enough to allow for lowe ring of the wings. Use e[...]

ASSEMBLY FN20/FN14 NI TRO 02/1 0 Assembly Sectio n 3-3 © 2010 Alamo Group In c. ASSEMBL Y 2. Make sure the trac tor PTO is the correct speed and shaf t size for the imple ment. Ensure the dra wbar is extended the prope r distance fr om the T ractor PT O shaft for de sired PTO speed ; 540 PTO is 14” and for 1000 PT O speed the distan ce is 16” [...]

ASSEMBLY FN20/FN14 NI TRO 02/1 0 Assembly Sectio n 3-4 © 2010 Alamo Group In c. ASSEMBL Y 8. Remove retainin g bracket from end yoke of main driveline. Remove main driveline from mower and place o n ground or hard su rface. Figure AsmP-R-0120 9. Make sure the wing Transport Bars/Lat ches are locked in the po sition to hold the wings vertical befor[...]

ASSEMBLY FN20/FN14 NI TRO 02/1 0 Assembly Sectio n 3-5 © 2010 Alamo Group In c. ASSEMBL Y 1 1. Filling the cylinders with oil should raise the wings slightly and loosen th e wing T ransport Bars/Latches ret aining pin. NOTE: DO NOT release the wing T ranspor t Bar/Latch if there is a force on the pin . If there is a forc e holding the T ransport B[...]

ASSEMBLY FN20/FN14 NI TRO 02/1 0 Assembly Sectio n 3-6 © 2010 Alamo Group In c. ASSEMBL Y Many of the equipment component s are HEA VY (60 lbs. or greate r) and S pecial Lif ting Procedures are reco mmended. Use lifting assistance such as mechanica l assistance, two people, and proper lifting techniqu es when co nnecting or inst alling the drivesh[...]

ASSEMBLY FN20/FN14 NI TRO 02/1 0 Assembly Sectio n 3-7 © 2010 Alamo Group In c. ASSEMBL Y 2. Inner center axle dual tire assemblie s are shipped bolted on wing mount tubes. Remove transport bars from wings and lower each wing so that inner tire and hub assembly can be removed and inst alled on center axle . NOTE: It will be necessary to raise each[...]

ASSEMBLY FN20/FN14 NI TRO 02/1 0 Assembly Sectio n 3-8 © 2010 Alamo Group In c. ASSEMBL Y Lubricate the PT O drivelines and wheel hu bs according to the lubricatio n information found in the Main tenance Section.[...]

Operation Sec tion 4-1 © 2010 Alamo Group In c. OPERA TION SECTION[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-2 © 2010 Alamo Group Inc. OPERA TION RHINO FN14/FN20 NITRO ROT AR Y MOWER OPERA TION INSTRUCTIONS Rhino FN14/FN20 NITRO rotary mowers are manufactured with quality mate rial by skilled workers. These mowers are designed to cu t grass, weeds, small brush and othe r vegetative material up to 4-1/2?[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-3 © 2010 Alamo Group In c. OPERA TION 1. St andard Equipment and Specifications FN20 NITRO FN14 NITRO Cutting Width 240” 162” T ransport Width 1 15 ” 106” Overall W idth 248” 170” Overall Length 216” 216” Cutting Height 1/2”***- 14-3/4” 1/2”* **-14-3/4” Hitch Pull Pull Bla[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-4 © 2010 Alamo Group Inc. OPERA TION 2. OPERA TOR REQUIREMENTS Safe operation of the unit is the responsibility of a qualifi ed operator . A qualified operator ha s read and understands th e implement and tractor Operator’s Ma nuals and is experience d in implement and tractor operation and all[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-5 © 2010 Alamo Group In c. OPERA TION 3. TRACT OR REQUIREMENTS The tractor used to oper ate the mower must have the powe r capacity to lif t, pull, and operate the Power T ake Off ( PTO) at the mower ’s rated speed wh ile traveling at a g round speed between 2 and 5 MPH. Operatin g the mower wi[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-6 © 2010 Alamo Group Inc. OPERA TION 3.3 T r actor Horsepower The horsepower re quired to operate the mower dep ends on several op erating facto rs including the vege tation to be cut, terrain condition, oper ator experience, cond ition of the mower and tractor , and others. For most mowing condi[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-7 © 2010 Alamo Group In c. OPERA TION to the Assembly Section of this manual for properly equip ping the tractor with a 3-spool contro l valve. T ractors equipped with three h ydraulic ports ca n position the cent er section and each wing independently with no extra equipment. If the tra ctor is [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-8 © 2010 Alamo Group Inc. OPERA TION Do not mount or dismou nt the T ractor while the tractor is moving . Mount the T ractor only when the Tractor and all moving part s are completely stopped. (SG-12) 4.1 Boarding the T ractor Use both hands and equippe d handrails and steps for supp ort when boa[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4-9 © 2010 Alamo Group In c. OPERA TION 5. ST ARTING THE TRACTOR The operat or must have a co mplete und erstanding of the p lacement, fun ction, and op erational us e of all tractor cont rols before starting th e tractor . Review the tractor operator’s manual and consult an authorized dealer for[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 10 © 2010 Alamo Group Inc. OPERA TION 6.1 Connecting the Mowe r T ongue to the T ractor 1. Ensure the tractor is equipped with th e correct PTO sh aft and the drawba r is set at the correct length. 2. Using the parking ja ck, position the tongue clevis to the height of the tracto r drawbar . Adj[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 11 © 2010 Alamo Group In c. OPERA TION Safety T ow Chain If the mower is towed on a public roadway , a safety c hain with tensile strength equal to or greater than th e gross weight of the mowe r must be connecte d between the tr actor and mower . This will help c ontrol the implement in the eve[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 12 © 2010 Alamo Group Inc. OPERA TION Hydraulic Line Support After conne cting the mower hydraulic lines to the tr actor , support the hoses with the equipped brackets. Ensure that hoses do n ot contact the driveline, do not bind while turning, and do not become pinched or kinked. Hydraulic Cyli[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 13 © 2010 Alamo Group In c. OPERA TION 4. Level the mowe r deck front to rear by adjustin g th e leveling rods linking the tong ue to the rear axle. DO NOT allow feet or other body part unde rneath the mower when making adjustment s. T o adjust rod length, loosen jamnut and screw turnbuckles. T [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 14 © 2010 Alamo Group Inc. OPERA TION 7.3 Lowest Cutting Height NOTE: Only operate in the lower position wh en you are mowing in an agricultural application, be sure there are no byst anders, passerby or livestock with in 300 feet. . T o achieve the lowest possible cutting height, raise the side[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 15 © 2010 Alamo Group In c. OPERA TION Driveline Length Check Rotary Mowers are capa ble under adverse conditions of throwing objects for great dist ances (300 feet or more) an d causing serious injury or death. Follow safety messag es carefully . STOP MOWING IF P ASSERSBY ARE WITHIN 100 Y ARDS [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 16 © 2010 Alamo Group Inc. OPERA TION When fitting the mower to the tracto r , the telescoping driveline must be inspected to ensure that at its mo st compressed position, the shafts do not “bottom out”, and whe n at its farthest exte nded postion, there is sufficie nt engagement between the[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 17 © 2010 Alamo Group In c. OPERA TION 8.1 Constant V elocity (CV) Driveline For mowers equipped with a Constant V elocity (CV) dr iveline, the maximum turning angle b etween the tractor and mower must be determined to ensure the jo int angle does not over-extend which can cause CV joint damage.[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 18 © 2010 Alamo Group Inc. OPERA TION The Constant V elocity PTO driveline is HEA VY (7 0 lbs or greater) and S p ecial Lifting Procedures are recommend ed. Use lifting assist ance such as mechan ical assistance, two people, and proper lifting tech niques when connecting or inst alling the drive[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 19 © 2010 Alamo Group In c. OPERA TION 9.1 T racto r Pre-Operation Inspection/Service Refer to the tr actor operator ’s ma nual to ensure a complete pre-operation inspection and scheduled service is performed accordi ng to the manufacturers recommenda tions. The following are some of the items[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 20 © 2010 Alamo Group Inc. OPERA TION The operator’s manual and safety signs af fixed on the unit contain important instru ctions on the saf e and proper use of the equipme nt. Maint ain these importan t safety features on the implement in good condition to ensure the information is available [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 21 © 2010 Alamo Group In c. OPERA TION • Ensure the tractor PT O master shield is in place, lowered and in go od condition. • Ensure each mower slip clutch shield is secured in place and in good condition. • Ensure the driveline slip clutche s are properly adjusted and the friction plates [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 22 © 2010 Alamo Group Inc. OPERA TION • Ensure each hydrau lic cylinder is inst alled and retained correctly . Ensure the prop er size pins are used to re tain the cylinders in place and are secured with pins. • Check for hydraulic oil leaks on the cylinders, along the hydra ulic lines, and [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 23 © 2010 Alamo Group In c. OPERA TION 9.3 Cutting Component Inspection Inspect blade p an and blade assembly for the following: OPS-U-0031[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 24 © 2010 Alamo Group Inc. OPERA TION Operating the mower with loose blade hardware will damage the blade hol der or blades and can result in blade bre akage or blade fastene r failu re. Broken blades or bolt s can be thrown out from under the mower for distances up to 300 feet. When the blades [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 25 © 2010 Alamo Group In c. OPERA TION 9.4 Blade Bolt Inspection Inspect Blade Bolt Head da ily for wear as followed: Inspect the Blade Bolt Heads d aily for abn ormal wear . REPLACE BOTH BLADE BOL TS on the Blades IMMEDIA TEL Y if either blade bolt s has: • Visible cracks or • If the reces [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 26 © 2010 Alamo Group Inc. OPERA TION Rotary Mower PRE-OPERA T ION Inspection Mower ID#________________ Make ____________________ Date: ________________ Shift ____________________ Before conducting the inspection, make sur e the tractor engine is off, all rotation has stopped and the tractor is [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 27 © 2010 Alamo Group In c. OPERA TION T r actor PRE-OPERA T ION Inspection T ractor ID#________________ Make ____________________ Date: ________________ Shift ____________________ Before conducting the inspection, make sur e the tractor engine is off, all rotation has stopped and the tractor is[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 28 © 2010 Alamo Group Inc. OPERA TION 10. DRIVING THE TRACT OR AND IMPLEMENT Safe tractor transport req uires the operator possess a thoroug h knowledge of the model being ope rated and precautions to t ake while driving with an att ached implem ent. Ensure the tractor has the capacity to handle[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 29 © 2010 Alamo Group In c. OPERA TION 10.1 St arting the T ractor The procedure to st art the tractor is model specific. Refer to the tractor operator’s manual for st arting procedures for your p articular tractor . Consult an authorized dealer if the st arting procedure is unclear . Ensure t[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 30 © 2010 Alamo Group Inc. OPERA TION 10.4 T ransport Position T o raise mower wings, drive the unit to a level area and retrac t the wing hy draulic cylinde rs. DO NOT raise wings with the mo wer positioned on a n embankment or other inclined position to prevent overturning the mower . After th[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 31 © 2010 Alamo Group In c. OPERA TION 10.6 Driving the T ractor and Cutter S tart of f driving at a slow speed and gradually in crease your speed while maintain ing complete control of the tractor and mower . Moving slowly at first will also pr event the tractor from rear ing up and loss of ste[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 32 © 2010 Alamo Group Inc. OPERA TION 10.7 Crossing Ditches and Steep Inclines When crossing ditches with steep ba nks or going up sharp inclines, it is possibl e that the main driveline inner profile will penetrate into the outer housing to it s maximum depth until the asse mbly becomes solid ([...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 33 © 2010 Alamo Group In c. OPERA TION Inclines and ditches should be app roached along a line which is at an an gle as shown. This type of path will reduce the possib ility of over-collapse of the driveline and re sulting damag e. If the gradient is so steep that such an approach increase s the[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 34 © 2010 Alamo Group Inc. OPERA TION Many varied objects, such as wire, cable, rope, or chains, can become ent angled in the operating p arts of the m ower head. These items could th en swing outside the hou sing at greater velocities than the blad es. Such a situation is extremely hazardous an[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 35 © 2010 Alamo Group In c. OPERA TION Rotary Mowers are capa ble under adverse conditions of throwing objects for great dist ances (300 feet or more) an d causing serious injury or death. Follow safety messag es carefully . STOP MOWING IF P ASSERSBY ARE WITHIN 100 Y ARDS UNLESS: -Front and Rear[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 36 © 2010 Alamo Group Inc. OPERA TION 1 1.4 PTO RPM and Ground S peed Ground speed for mowing will depend upon the height, type , and density of vege tation to be cut. Recommended speed for ef ficient mower performance is between 2 and 5 mph(3-8 kph). Operate th e mower at its full rated PTO spe[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 37 © 2010 Alamo Group In c. OPERA TION Mow only in conditions where y ou have clear visibility in daylight or with adequate artificial lighting. Never mow in darkness o r foggy cond itions where you can not clearly see at least 300 feet (90 m) in front and to the sides of t he trac tor and mower[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 38 © 2010 Alamo Group Inc. OPERA TION When you get to the end of a p ass, slightly raise the mower (2-4 ”) before turning. Never r aise the mower entirely while the blades are turning. If the mower must be r aised higher than 12” from ground level, disengage the tractor PT O and wait for all[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 39 © 2010 Alamo Group In c. OPERA TION When mowing across une ven areas such as road shoulde rs, ditch e dges, and other uneven te rrain, position mower so that one suppor t wheel is near the highest po int to prevent blades from cutting into gr avel or dirt which can cause rapid bla de wear and[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 40 © 2010 Alamo Group Inc. OPERA TION 1 1.6 Shutting Down the Implement T o shut down attached mower head, first bring the tractor to a complete s t op. Decrease engine RPM to idle then dise ngage cutterhead . The mower head will come to a complete stop within a suitable amount of time. Do not e[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 41 © 2010 Alamo Group In c. OPERA TION When disconnecting the mower the tractor should be completely shut down and secured in position. Relieve hydraulic pr essure by mo ving the control levers back and forth several times. Lower t he parking jack and ra ise the mower until the tongue clevis is [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 42 © 2010 Alamo Group Inc. OPERA TION 13. MOWER STORAGE It is recommended that the mower be stored with the c enter section and both wings fully lowered to g round level. If the mower is stored with the wings in the raised position, select a level area and inst all wing transport braces to preve[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 43 © 2010 Alamo Group In c. OPERA TION Never allow children or other persons to ride on the Tr actor or Implement. Falling off can result in serious injury or death. (SG-1 0) Before transporting th e tractor and mower , idle the tractor engine, d isengage the PTO and wait for all mower moving pa[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 44 © 2010 Alamo Group Inc. OPERA TION T ire Size and Matc hing re quirement s - Center Axle T ire assemblies when mounte d on center axle duals should always be within limits listed. Laminated T ires - Maximum diff erence between tire diam eters on a center axle should be 1/2 inch or less. Foam [...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 45 © 2010 Alamo Group In c. OPERA TION 14.2 T ransporting on Public Roadways Extreme caution should be used when transportin g the tractor and mower on pub lic roadways. The tractor must be equipped with all req uired safety warning fe atures including a SMV emblem and flashing warning lights to[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 46 © 2010 Alamo Group Inc. OPERA TION Make sure that all tr actor flashing warning lights, headlight s, and brake/tail lights are functioning properly befor e proceeding onto public roads. While newer model tractors have plenty o f lighting to provide warning sig nals and operating lighting, mos[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 47 © 2010 Alamo Group In c. OPERA TION 14.3 Hauling the T ractor and Implement Before transporting a loade d tractor and implement, measure the height and width dimensions an d gross weight of the complete loaded unit. Ensure that the load will be in compliance wit h the legal limits set for the[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 48 © 2010 Alamo Group Inc. OPERA TION 15. TROUBLE SH OOTING GUIDE Problem Possible Cause Remedy Excessive Vi brations Check Gear box bolt s. Tighten if loose. Check For loose nuts on T ighten If loose bladeholder and blades Check for bent output shaft. Replace shaft if bent. If shaft is bent oil[...]

OPERATION FN20/FN14 NITRO 02/10 Operation Section 4- 49 © 2010 Alamo Group In c. OPERA TION Oil on facing s. Replace fac ings. Friction facings glazed. Clean with emery cloth. Blade Wear s T oo Fast Cutting in sandy conditions. Increase cutting height. Cutting in rocky conditions. Increase cutting height. Soft "will fit" blades. Use genu[...]

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Maintenanc e Section 5-1 © 2010 Alamo Group Inc. MAINTENANCE SECTION[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-2 © 2010 Alamo Group Inc. MAINTENANCE Before operat ing your Rotary Cutt er , mak e sure it is properly lubricated and thor oughly in spected. Only a minimum of time and effort is req uired to regularl y lubr icate and maint ain this machine to provide long life and trouble free oper ation. A[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-3 © 2010 Alamo Group Inc. MAINTENANCE[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-4 © 2010 Alamo Group Inc. MAINTENANCE T o ngue The T ongue Hitch Pins att ach the T ongue to the Cen ter Section and should be ch ecked for signs of wear or cracking. Replace as needed. The Drawbar 1” bolt fastens the cutte r to the tractor Drawbar . When the cutter is unhitched and this 1?[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-5 © 2010 Alamo Group Inc. MAINTENANCE DIVIDER GEARBOX The filler pressure relief Dipstick Plug is on top of the Gearbox. Mnt-R-0005. Do not over-fill. If Gearboxes are filled above proper , pres sure under working conditions may cause the Gr ease Seals to leak. Recommended lubricant for all g[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-6 © 2010 Alamo Group Inc. MAINTENANCE DRIVELINES The Drivelines and U-Joint s should be inspected each morning before the mower is starte d. Many of the equipment compon ents are HEA VY (70 lbs or greater) an d S pecial Lifting Procedures are reco mmended. Use lifting assistance such as mecha[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-7 © 2010 Alamo Group Inc. MAINTENANCE MAIN CV DRIVELINE SHIE LD SERVICE INSTRUCTIONS 1. Clean and grease b ushing groo ve before th e bushing is placed in the groove . Grease a ny remainin g bushings in guard . 2. Slide guard half o ver driveline and i nsert bushing t abs into the openings in[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-8 © 2010 Alamo Group Inc. MAINTENANCE T O DISASSEMBLE UNIVERSAL JOINT 1. Remove all snap rings. 2. Position joint in loose vice , strike top arm of unsupported yoke to drive the top cup up. Repeat on oppo site side. 3. If you cannot grip the loosened cap per S tep 4, use a pointed tool to tip[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenance Section 5-9 © 2010 Alamo Group Inc. MAINTENANCE T O REASSEMBLE UNIVERSAL JOINT 1. Smear grease into bearings and ch eck for dirt. CAUTION! Make sure all needle bearin gs are seated properly . 2. Insert cup an d cross. Drive in with spacer . 3. Insert snap ring 4. Insert second cup and hold cross into c[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-10 © 2010 Alamo Group Inc. MAINTENANCE 5. Drive cup down with sp acer and insert snap ring 6. T o loosen cross, strike yok e arm and check cross for free rotation 7. Position second yoke on cross. Repeat S teps 2 to 6. Grease Kit after assembly is completed.[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-11 © 2010 Alamo Group Inc. MAINTENANCE DISASSEMBL Y - CROSS AND BEARING KIT 1. The implement dr iveline has been remo ved from the machine, the two halves separated, and the guards removed. S tart the procedure by removing the yoke that does not have a shaft att ached. 2. The bear ing cups a[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-12 © 2010 Alamo Group Inc. MAINTENANCE 6. Note the orient ation of all grease fittings before r emoving any yokes or cr osses. Remove the end yoke from the center housing. 7. Repeat steps 2 - 6 to remove the sha ft yoke and cross from the center housing . 8. Use the hammer and the dr iver to[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-13 © 2010 Alamo Group Inc. MAINTENANCE INSPECTION 1. Discard the two crosse s, all of the bea ring cups, an d all of the snap rings. 2. Clean the bores in th e center housing and the yokes. Inspect the bores for damage. Replace any p arts that ar e damaged. 3. Clean the snap ring gr ooves in[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-14 © 2010 Alamo Group Inc. MAINTENANCE ASSEMBL Y 1. Apply gr ease to the b earing cup bores in the end yoke, the shaf t yoke, and th e center housing. The grease will make the bearing cups much easi er to inst all. 2. Install the grea se fittings in the crosse s. Align the grease fitting wit[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-15 © 2010 Alamo Group Inc. MAINTENANCE 8. Put the shaft yoke into the vise so the bearing cup s are square with the jaws of the vise. Make sure th e trunnion is aligne d with the baring cup s. T ighten the vise until both bearing cup s are flush with the yoke. Figure MntP-R-0141 9. Using the[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-16 © 2010 Alamo Group Inc. MAINTENANCE 17. Use the cross trunnion as a pilot. S tart the new bearing cup on th e cross and into the opening in the center housing. Push th e cross into the bearin g cup while driving the trunnions of the cross p arallel with the openings for the bea ring cups.[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-17 © 2010 Alamo Group Inc. MAINTENANCE BLADE SER VICING Inspect blades before each use to determine that they are prope rly installed and in good cond ition. Replace any blade that is bent, excessively nicke d, worn, or has any other damage. Small nicks can be ground out when sharpening. Use[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-18 © 2010 Alamo Group Inc. MAINTENANCE BLADE SHARPENING Always sharpen both blade s at same time to maintain ba lance. Follow original sharpening pa ttern as shown in FIGURE Mnt-R-0008 . Always sharpen blades by grinding. DO NO T heat and pound out ed ge. Do not sh arpen blade to a razor edg[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-19 © 2010 Alamo Group Inc. MAINTENANCE BLADE CARRIER INSPECTION Blade bolt fit in to carrier bushings sh ould be checked every time blades ar e changed. The blade bolt should fit into carrier bus hings as a snug slip fit. If the bl ade bolt fit ap pears to be loos e or sloppy , mea sure the [...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-20 © 2010 Alamo Group Inc. MAINTENANCE BLADE CARRIER INST ALLA TION Clean the taper and k eyway on bo th the blade carrier and o utput shaft. Positi on carrier on th e gear box o utput shaft an d install flat washer and 1" hex nut. T ighten the nut holding the blade carr ier to minimum [...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-21 © 2010 Alamo Group Inc. MAINTENANCE Return the bolts to their origina l position as described in (b) above. NOTE: If machine sits outside longe r than 30 days and is exposed to rain and h umid air , the T orque Limiter should be removed from machine an d stored in a dry area. T orque Limi[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-22 © 2010 Alamo Group Inc. MAINTENANCE 16. Reinstall wa sher #15 and castle nut #14. CAUTION: Do not tighten nut #14. Tighten only enough to r emove play between th e yoke, washer #15, and nut #1 4. Install cotter pin .[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-23 © 2010 Alamo Group Inc. MAINTENANCE GEARBOX ARRANGEMENTS (Secondary Gearboxes) All Three secondary Gearboxes have the same iden tical part s in them for 540 or 1000 RPM and for the lef t, center , or right sections. T o change Gearbox from 540 to 1000 RPM, the Gear (#1) and Pin ion (#2) m[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-24 © 2010 Alamo Group Inc. MAINTENANCE HYDRAULIC HOSES Replace pinched and broken Hyd raulic Hoses at once. Tigh te n any Hydraulic Fitting with fluid leaking from it. If fluid still leaks, loosen the fitting, apply a pipe thr ead compound to the threads and tighten. Care must be exercised w[...]

MAINTENANCE FN20/FN14 NITRO 02/10 Maintenan ce Section 5-25 © 2010 Alamo Group Inc. MAINTENANCE PROPER TORQUE FOR F ASTENERS The chart lists the correct tigh tening torque for fastener s. When bolts a re to be tightened or re placed, refer to this chart to determine the grade of bolts and the prop er torque except when specific torque values are a[...]

RHINO LIMITED W ARRANTY 1. LIMITED W ARRANTIES 1.01. Servis-Rhino warrants for one year from the purchase date to the original non-commercial, gove rnmental, or municipal purc hase r (“Purchaser”) and warrants for six months to the original commercial or industrial pur chaser (“Purchaser”) that the goods purch ased are free from defects in [...]

T O THE OWNER/OPERA T OR/DEALER In addition to the standard Lim ited W arranty shown on the facing page, Rhino also provides: 1. A FIVE-YEAR (60 months) LIMITED WARRANTY* on GEARBOX c omponents pr ovided they have been properly maint ained† and have not been subjected to abuse or mis-use except as limited below . * W ARRANTY LIMIT A TIONS - GEARB[...]

FN20/FN14-SOM- 02/10 P/N 00778645C Printed U.S.A FN20/FN14 NITRO HEA VY -DUTY FLEX WING ROT AR Y CUTTER[...]