RHINO GR60 Operator'S Manual Download Page 133

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MAINTENANCE

GR60/72 02/07

Maintenance Section 5-9

MAINTENANCE

GR60 Gearbox Maintenance

ITEM

QTY

DESCRIPTION

Casing

Bearing, Lower Output

Seal, Lower Output

Nut, Slotted

Cotter Pin

Shaft, Output

Gear, Output

Nut, Slotted

Cotter Pin

Bearing, Upper Output, Inner
& Outer Input

Spacer, Long

Lockwasher

Bolt, Top Cover

Plug, Pressure Vent

Washer, Sealing

Cover, Top Inspection

Gasket, Top Cover

Shim (0.10)

Shim (0.25)

Shim (0.50)

Bolt, Front Cover

Cap, Front Bearing Retaining

Seal, Input

Shaft, Input

Gear, Input

Spacer, Short

Shim (0.30)

Shim (0.40)

Shim (0.50)

Summary of Contents for GR60

Page 1: ...800 446 5158 Email parts servis rhino com HEAVY DUTY ROTARY CUTTER This Operator s Manual is an integral part of the safe operation of this machine and must be maintained with the unit at all times READ UNDERSTAND and FOLLOW the Safety and Operation Instructions contained in this manual before operating the equipment C01 Cover 0 00 ...

Page 2: ...safety equipment properly attached to minimize the chance of acci dents BEFORE YOU START Read the safety messages on the implement and shown in your manual Observe the rules of safety and common sense WARRANTY INFORMATION Read and understand the complete Warranty Statement found in this Manual Fill out the Warranty Registration Form in full and return it to within 30 Days Make certain the Serial N...

Page 3: ...shown this video and presented you a DVD Video when you purchased your mower If you or any mower operator have not seen this video Watch the Video Read this Operator s Manual and Complete the Video Guidebook before operating your new mower If you do not understand any of the instructions included in the video or operator s manual or if you have any questions concerning safety of operation contact ...

Page 4: ...MA Mower Operator Safety Video Mower Operator s Manual AEM Mower Operator s Safety Manual Requester Name Phone Requester Address City State Zip Code Mower Model Serial Number Date Purchased DealerSalesperson Dealership Name DealershipLocation Mail to AEM Video Services 1502 E Walnut street Seguin TX 78155 Or Fax to 830 372 9529 Or Email to AEMVideo alamo group com ...

Page 5: ...R60 Figure Asm 0051 3 8 3 8 3 8 Driveline Attachment GR72 Figure Asm 0044 3 8 OPERATION SECTION 4 1 Standard Equipment and Specifications 4 3 OPERATOR REQUIREMENTS 4 4 TRACTOR REQUIREMENTS 4 5 ROPS and Seat Belt 4 5 Tractor Safety Devices 4 5 Tractor Horsepower 4 6 3 Point Hitch 4 6 Front End Weight 4 6 Power Take Off PTO 4 7 GETTING ON AND OFF THE TRACTOR 4 7 Boarding the Tractor 4 8 Dismounting ...

Page 6: ...Roadways 4 37 Hauling the Tractor and Implement 4 38 TROUBLESHOOTING GUIDE 4 40 MAINTENANCE SECTION 5 1 Lubrication Figure Mnt 0014 5 2 Gearbox Lubrication Figure Mnt 0001 and Mnt 0011 5 3 Tail Wheel Lubrication 5 3 Driveline Lubrication 5 4 Blade Servicing 5 5 Blade Sharpening 5 5 Blade Removal 5 6 Blade Carrier Removal 5 6 Blade Carrier Installation 5 6 Slip Clutch GR60 5 7 Seasonal Slip Clutch ...

Page 7: ...Safety Section 1 1 2007 Alamo Group Inc SAFETY SECTION ...

Page 8: ...e intended to warn the owner operator of impending hazards and the degree of possible injury faced when operating this equipment Indicates an imminently hazardous situation that if not avoided WILL result in DEATH OR VERY SERIOUS INJURY Indicates an imminently hazardous situation that if not avoided COULD result in DEATH OR SERIOUS INJURY Indicates an imminently hazardous situation that if not avo...

Page 9: ...amaged or unreadable obtain and install replacement safety signs immediately SG 5 Operate this Equipment only with a Tractor equipped with an approved roll over protective system ROPS Always wear seat belts Serious injury or even death could result from falling off the tractor particularly during a turnover when the operator could be pinned under the ROPS SG 7 Do not modify or alter this Implement...

Page 10: ... lifted component unless the Implement is securely supported or blocked up to prevent sudden or inadvertent falling which could cause serious injury or even death SG 14 The operator and all support personnel should wear hard hats safety shoes safety glasses and proper hearing protection at all times for protection from injury including injury from items that may be thrown by the equipment SG 16 PR...

Page 11: ...the stopping distance increases Determine the maximum transport speed not to exceed 20 mph 30 kph for towing this equipment Test the equipment at a slow speed in turns Increase the speed through the turn only after you determine that it is safe to operate at a higher speed Use extreme care and reduce your speed when turning sharply to prevent the tractor and implement from turning over Determine t...

Page 12: ...r and Implement Drugs and alcohol will affect an operator s alertness and coordination and therefore affect the operator s ability to operate the equipment safely Before operating the Tractor or Implement an operator on prescription or over the counter medication must consult a medical professional regarding any side effects of the medication that would hinder their ability to operate the Equipmen...

Page 13: ... thrown outward at very high velocities To reduce the possibility of property damage serious injury or even death never allow the cutting blades to contact such obstacles SGM 4 Extreme care should be taken when operating near loose objects such as gravel rocks wire and other debris Inspect the area before mowing Foreign objects should be removed from the site to prevent machine damage and or bodil...

Page 14: ...S WILL LIKELY CRACK OR OTHERWISE DAMAGE THE BLADE WITH SUBSEQUENT FAILURE AND POSSIBLE SERIOUS INJURY FROM THROWN BLADES SGM 10 Do not let the Blades turn when the Mower Deck is raised for any reason including clearance or for turning Raising the Mower deck exposes the Cutting Blades which creates a potentially serious hazard and could cause serious injury or even death from objects thrown from th...

Page 15: ...ctor Turn curves or go up hills only at a low speed and using a gradual steering angle Rear mounted implements move the center of gravity to the rear and remove weight from the front wheels Make certain by adding front ballast that at least 20 of the tractor s weight is on the front wheels to prevent rearing up loss of steering control or Tractor tip over Slow down on rough or uneven surfaces to p...

Page 16: ...d turn without warning and cause immediate entanglement injury or death S3PT 11 Follow these guidelines to reduce the risk of equipment and grass fires while operating servicing and repairing the Mower and Tractor Equip the Tractor with a fire extinguisher in an accesible location Do Not operate the Mower on a Tractor with an underframe exhaust Do Not smoke or have an open flame near the Mower and...

Page 17: ... warranties and present a safety hazard Use genuine Rhino mower parts for economy and safety SPRM 1 SEE YOUR RHINO DEALER In addition to the design and configuration of this Implement including Safety Signs and Safety Equipment hazard control and accident prevention are dependent upon the awareness concern prudence and proper training of personnel involved in the operation transport maintenance an...

Page 18: ...omote safe operation Damage to the decals may occur while in shipping use or reconditioning Rhino cares about the safety of its customers operators and bystanders and will replace the safety decals on this product in the field free of charge Some shipping and handling charges may apply Contact your Rhino dealer to order replacement decals ...

Page 19: ...MPORTANT Genuine Parts Rotary 10 00763613 1 INSTRUCT Slip Clutch Adjustment 11 00763977 1 INSTRUCT Notice to Owner 12 D103 1 INSTRUCT 540 RPM Operation 13 03200347 REFLECT SMV Emblem 14 D302 2 LOGO Rhino 4 7 8 x 6 1 2 15 D303 2 L NAME Rhino 4 3 8 x 16 3 4 16 D318 2 NAME GR60 D316 2 NAME GR72 17 00771283 1 WARRANTY 5 YR GR72 only 18 nfs 1 SER PLT GR60 GR72 19 2738332 2 REFLECT Red Reflector 20 0077...

Page 20: ...to read English please find someone who knows how to read English P N 00725746 PELIGRO Spanish Translation for Driveline Safety P N 00773723 DANGER Multi Hazard Decal Refer To Front Cover P N 00749117 DANGER Guard Missing Do Not Operate If you see this decal Do Not Operate the mower until the shield has been replaced P N 00756004 ...

Page 21: ...Make certain that drivelines are correct length and are securely attached P N 00756494 DANGER Keep Away Thrown Objects Inspect the area before mowing and remove foreign material that could become mower thrown objects P N 00769737 WARNING Maintain shields and deflectors in good condition Failure to do so may lead to injury or even death P N 00769736 ...

Page 22: ...s use genuine RHINO replacement parts P N 00760657 Attention Do not operate until all slip clutches are properly adjust and are not frozen P N 00763613 Operator s Manual with repair parts and warranty was attached to this implement during final inspection P N 00763977 WARNING Avoid Bodily Injury Use 540RPM PTO Speed Only P N D103 ...

Page 23: ...SAFETY GR60 72 02 07 Safety Section 1 17 2007 Alamo Group Inc SAFETY Logo Product Name Rhino P N D302 P N D303 Logo Product Name Rhino GR72 Logo P N D316 GR60 Logo P N D318 ...

Page 24: ...SAFETY GR60 72 02 07 Safety Section 1 18 2007 Alamo Group Inc SAFETY INFORMATION 5 Year Gearbox Warranty P N 00771283 P N 2738332 Red Reflectors INFORMATION Operator s Manual Inside P N 00776481 ...

Page 25: ...e operation and servicing of all equipment with which the employee is or will be involved Employer Responsibilities To ensure employee safety during Tractor and Implement operation it is the employer s responsibility to 1 Train the employee in the proper and safe operation of the Tractor and Implement 2 Require that the employee read and fully understand the Tractor and Implement Operator s manual...

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Page 71: ...Introduction Section 2 1 2007 Alamo Group Inc INTRODUCTION SECTION ...

Page 72: ...Shooting Guide helps diagnose difficulties with the Cutter and offers solutions to the problems Safety is of primary importance to the owner operator and to the manufacturer The first section of this manual includes a list of Safety Messages that if followed will help protect the operator and bystanders from injury or death Many of the Safety Messages will be repeated throughout the manual The own...

Page 73: ...tural purposes as well to reduce the risk of property damage serious bodily injury or even death from objects thrown out by or from contact with the Cutting Blades The 60 machine requires a minimum of 30 HP for both 540 and 1000 RPM machines The 72 Cutter requires at least 35 HP for 540 and 1000 RPM machines The maximum allowable horsepower for either size is 120HP At least 20 or the tractor s wei...

Page 74: ...t 2 Fill out the Warranty Card in full Be sure to answer all questions including the Serial Number of the implement Mail within 30 days of delivery date of this implement NOTE Warranties are honored only if completed Owner Registration and Warranty forms are received by Alamo Group within thirty days of delivery of the implement 3 Record the Blade Model and Serial Numbers on the Warranty page at t...

Page 75: ...Assembly Section 3 1 2007 Alamo Group Inc ASSEMBLY SECTION ...

Page 76: ...n the respective outside of the Upright Braces 1 Insert one 3 4 x 6 bolt 5 through all four braces and inner bushing Attach and tighten locknut 6 to bolt 5 NOTE The Flexible Top Link 3 must be free to pivot for the mower to follow the contour of uneven ground If unable to pivot freely loosen top link bolt 5 and nut 6 3 Align the free end of the Long Braces 2 to the respective sides of the mower de...

Page 77: ...upport bracket holes Install a 1 2 locknut 15 onto each bolt to secure the support bracket to the mower deck Do not completely tighten bolts and nuts at this time Repeat procedure for other side bracket 3 Place tailwheel positioning bracket 5 onto tailwheel beam with bracket holes to the bottom Side the bracket to opposite end of beam 4 Place bushing 6 into tailwheel beam 1 end holes Position tail...

Page 78: ...roper chain link in keyhole slot Cutting height is easily adjustable by hooking chain higher or lower in the keyholes in chain lug 3 For additional safety in transport raise mower as high as possible without having driveline hit deck and shorten check chains as much as possible to prevent inadvertent falling in transport Offset Adapter Hitch Extra Equipment Figure Asm 0010 1 Fasten the Offset Adap...

Page 79: ...ection from thrown objects with proper operation under normal conditions Deflectors must be maintained in good repair or replaced after no more than two inches of wear off lower edge Front Rubber Fabric Deflectors Standard Equipment Front Deflector Figure Asm 0003 1 Attach the Front Bracket 1 to the front of the mower with 1 2 x 3 Bolts 3 Flatwashers 9 and Locknuts 4 2 Attach the Front Deflector 2...

Page 80: ...flectors Standard Equipment Rear Deflector Figure Asm 0005 1 Attach both Deflectors 1 2 to deck using 1 2 x 1 1 4 Bolts 5 and Locknuts 6 In center of deck use Bolt 8 and Locknut 6 to tie both Deflectors 1 2 together 2 Secure Debris Deflector 3 to Deflector 1 2 using 1 2 x 1 1 4 Bolts 5 Bar 4 Flatwashers 7 and Locknuts 8 3 Fasten Rear Plate 9 on both ends of Deflector 1 2 using 1 2 x 1 1 4 Bolts 5 ...

Page 81: ... Chainguard Plate 1 to deck using 5 8 x 3 1 2 Bolts 4 Washers 5 and Locknut 6 2 Insert the individual Chain Links 2 into slotted holes in Chain Guard Plate 1 and secure in place with Rod 3 Complete Chainguard Assemblies are available See Parts Section in this book Rear Chain Guards Optional Equipment Rear Chain Guard Figure Asm 0007 1 Attach both Deflectors 1 2 to deck using 1 2 x 1 1 4 Bolts 4 an...

Page 82: ...x input shaft securely Make certain that the slip clutch is fully onto the input shaft splines Tighten the locknuts 2 alternately until they have reached the proper torque Refer to Torque Chart in the Maintenance Section Driveline Attachment GR72 Figure Asm 0044 1 Remove washer castle nut and cotter pin from gearbox shaft Install clutch yoke on shaft Attach yoke to clutch by inserting spacer flat ...

Page 83: ...Operation Section 4 1 2007 Alamo Group Inc OPERATION SECTION ...

Page 84: ...intended to be used as a visual aid to assist in explaining the operation of a rotary mower and are not necessarily of a GR60 72 cutter Some pictures may show shields removed for purposes of clarity NEVER OPERATE this implement without all shields in place and in good operational condition The operator must be familiar with the mower and tractor operation and all associated safety practices before...

Page 85: ...idth 67 1 4 79 1 4 Overall Length 108 118 Base Unit Weight Approx 1370 lbs 1578 lbs Hitch CAT II CAT II Blade Carrier Gyro Bar Gyro Bar Blades 1 2 x 5 Flat 1 2 x 5 Flat Gearbox Rating 540 RPM 140 HP 150 HP Output Shaft Diameter 2 3 8 2 3 8 Blade Tip Speed 540 RPM 12 723 FPM 13 995 FPM Driveline Size Cat 4 Cat 5 Driveline Protection Slip Clutch Slip Clutch Deck Thickness 3 16 3 16 Side Skirt 1 4 x ...

Page 86: ...al Protective Equipment PPE for the job conditions when attaching operating servicing and repairing the equipment PPE is designed to provide operator protection and includes the following safety wear PERSONAL PROTECTIVE EQUIPMENT PPE Protective Eye Glasses Goggles or Face Shield Hard Hat Steel Toe Safety Footwear Gloves Hearing Protections Close Fitting Clothing Respirator or Filter Mask depends o...

Page 87: ...tor from falling off the tractor especially during a roll over where the driver could be crushed and killed Only operate the tractor with the ROPS in the raised position and seat belt fastened Tractor model not equipped with a ROPS and seat belt should have these life saving features installed by an authorized dealer OPS U 0003 Operate this Equipment only with a Tractor equipped with an approved r...

Page 88: ...t nonconforming hitches Use the correct hitch pins for the hitch category being used For a Cat I hitch 7 8 lower and 3 4 upper diameter hitch pins are used and Cat II hitches require 1 1 8 lower and 1 upper diameter hitch pins CAT I Implement Hitch Specification CAT II Implement Hitch Specification Width from outside to outside A frame 26 7 8 Width from outside to outside A frame 32 3 8 Quick Hitc...

Page 89: ...a Tractor PTO Use of an adapter can double the operating speed of the Mower resulting in excessive vibration thrown objects and blade and mower failure Adapter use will also change the working length of the driveline exposing unshielded driveline areas Serious bodily injury and or equipment failure can result from using a PTO adapter Consult an authorized dealer for assistance if the Implement dri...

Page 90: ... ride on the Tractor or Implement Falling off can result in serious injury or death SG 10 4 2 Dismounting the Tractor Before dismounting park the tractor and implement on a reasonably level surface apply the parking brake idle the engine down disengage the PTO and lower the implement to the ground Shut down the tractor engine according to the operator s manual remove the key and wait for all motio...

Page 91: ...control lever is disengaged The 3 point hitch control lever is in the lowered position The hydraulic remote control levers are in the neutral position The tractor transmission levers are in park or neutral Refer to the tractor owner s manual for tractor starting procedures Only start the tractor while seated and belted in the tractor operator s seat Never bypass the ignition switch by short circui...

Page 92: ...and insert retaining pin into hitch pin 8 Adjust any lower link check chains guide blocks or sway blocks to prevent the mower from swaying side to side and possible contact with tractor rear tires NOTE Offset Adaptor Hitches are available to position the mower to the left or right Mowers with Offset Adaptor hitches connect to the 3 Point hitch the same way as the mower A frame See Offset Adaptor H...

Page 93: ...signed to allow for manipulation of its length Shortening or extending will allow for deck leveling from side to side 6 Securely block up the mower at this height 7 Remove the bolts securing the tailwheel beam positioning bracket to the support brackets and allow the tailwheel to rest at ground level Align beam and positioning brackets holes with closest set of holes in support brackets and reinst...

Page 94: ...more even distribution of the clippings from the rear of the mower will be achieved with this angle OPS R 0002_B 8 DRIVELINE ATTACHMENT The driveline yoke and tractor PTO shaft must be dirt free and greased for attachment To connect the mower driveline to the tractor PTO output shaft pull the driveline yoke collar back and align the grooves and splines of the yoke with those of the PTO shaft Push ...

Page 95: ...put driveline will not bottom out or become disengaged Bottoming out occurs when the inner shaft penetrates the outer housing until the assembly becomes solid it can shorten no more Bottoming out can cause serious damage to the Tractor PTO by pushing the PTO into the Tractor and through the support bearings or downward onto the PTO shaft breaking it off A broken drive line can cause personal injur...

Page 96: ...o Customer Service for recommendations to fit the mower to the tractor if there is a potential problem bottoming out the driveline Engagement Check Procedure With the driveline attached position the mower to the point where the telescoping driveline is at its maximum extension Turn off the tractor and securely block the mower at this position Mark the inner driveline shield 1 8 from the end of the...

Page 97: ... be avoided OPS U 0029 Always disconnect the main PTO Driveline from the Tractor before performing service on the Implement Never work on the Implement with the tractor PTO driveline connected and running Rotating Parts Blades or Drivelines could turn without warning and cause immediate entanglement injury or death S3PT 11 Periodically inspect all moving parts for wear and replace when necessary w...

Page 98: ...nd functional Tractor Seat belt is in good condition Tractor ROPS is in good condition ROPS is in the raised position No tractor oil leaks Radiator free of debris Engine oil level and condition Engine coolant level and condition Power brake fluid level Power steering fluid level Fuel condition and level Sufficient lubrication at all lube points Air filter condition OPS U 0030 9 2 Mower Pre Operati...

Page 99: ...t the hitch bolt is the correct size that washers are inserted between the drawbar and hitch clevis and the locknut is securely tightened OPS R 0037_A Ensure deflectors and or chainguards are in position and not damaged Replace worn broken and missing pieces OPS R 0038 All Safety Shields Guards and Safety devices including but not limited to the Deflectors Chain Guards Steel Guards Gearbox Shields...

Page 100: ...tor PTO master shield and the mower slip clutch shield are in place lowered and in good condition Ensure the driveline integral shield is in good condition and rotates freely Ensure the driveline slip clutch if equipped is properly adjusted OPS R 0039 Inspect the gearbox oil level A low oil level is a warning sign that the gearbox may be cracked or its seal is damaged and needs replacement Ensure ...

Page 101: ...maintain rotary balance during operation Ensure carrier hub nut is tightened with the cotter pin inserted and spread OPS R 0041 Replace bent or broken blades with new blades NEVER ATTEMPT TO STRAIGHTEN WELD OR WELD HARDFACING ON BLADES SINCE THIS WILL LIKELY CRACK OR OTHERWISE DAMAGE THE BLADE WITH SUBSEQUENT FAILURE AND POSSIBLE SERIOUS INJURY FROM THROWN BLADES SGM 10 9 3 Cutting Component Inspe...

Page 102: ...ginal shape or Any cracks are visible or Deep gouges in the blade s surface are persent or Gouges or chipped areas in the cutting edge are larger than 1 2 or The material on the leading edge has been worn away by more than 1 2 Failure to replace abnormally worn blades may lead to catastrophic failure of the blades and ejection of the broken part with tremendous force which may cause serious bodily...

Page 103: ...fety decals are in place and legible The tongue hitch connection bolts pins are tight There are no cracks in tongue or hitch The tow chain is secured to the tractor mower The hydraulic cylinders pins are tight There are no leaking or damaged hoses The mower deck is clear of cut grass and debris Chain guards deflectors are in place in good condition Driveline gearbox shields are in good condition D...

Page 104: ...g lights function properly The SMV Sign is clean and visible The tires are in good condition with proper pressure The wheel lug bolts are tight The tractor brakes are in good condition The steering linkage is in good condition There are no visible oil leaks The hydraulic controls function properly The ROPS or ROBS Cab is in good condition The seatbelt is in place and in good condition The 3 point ...

Page 105: ... speeds for you and the equipment Make sure you abide by the following rules Test the tractor at a slow speed and increase the speed slowly Apply the Brakes smoothly to determine the stopping characteristics of the Tractor and Implement As you increase the speed of the Tractor the stopping distance increases Determine the maximum transport speed not to exceed 20 mph 30 kph for towing this equipmen...

Page 106: ...ocked together to provide simultaneous rear wheel braking FOR MOST DRIVING AND OPERATING CONDITIONS THE BRAKE PEDALS SHOULD BE LOCKED TOGETHER TO PROVIDE THE MOST EFFECTIVE BRAKING ACTION Always disengage the tractor differential lock when turning When engaged the differential lock will prevent or limit the tractor from turning During normal cutting conditions locking the differential provides no ...

Page 107: ... operated at speeds that cannot be safely handled or which will prevent the operator from stopping quickly during an emergency If the power steering or engine ceases operating stop the tractor immediately as the tractor will be difficult to control Perform turns with the tractor and mower at slow speeds to determine how the tractor with an attached mower handles a turn Determine the safe speed to ...

Page 108: ... transporting the Implement with the Tractor Turn curves or go up hills only at a low speed and using a gradual steering angle Rear mounted implements move the center of gravity to the rear and remove weight from the front wheels Make certain by adding front ballast that at least 20 of the tractor s weight is on the front wheels to prevent rearing up loss of steering control or Tractor tip over Sl...

Page 109: ...E TRACTOR AND IMPLEMENT AND ALL CONTROLS BEFORE ATTEMPTING TO OPERATE The operator must read and understand the Safety and Operation Sections of the implement and tractor operator s manuals These manuals must be read and explained to any operator who cannot read Never allow someone to operate the implement and tractor without complete operating instructions Before starting any operation the operat...

Page 110: ... once Immediately idle the engine speed and disengage the PTO Wait for all mower rotating motion to stop then raise the mower and move the tractor and implement off the object Inspect the area and remove or mark the location of the debris Inspect the condition of the mower and make any needed repairs immediately Make sure the blades are not damaged and the carrier is balanced before resuming opera...

Page 111: ...ain spread cut material better eliminate streaking and make the final cut more uniform SRM 1 11 3 Engaging the Power Take Off PTO Before engaging the PTO make certain that the area is clear of bystanders and passersby The implement must be completely lowered and the deck positioned at a safe operating height NEVER engage the PTO with the implement in the raised position Set the tractor engine spee...

Page 112: ...speed depends on terrain condition and grass type density and height of cut Normal ground speed range is from 2 to 5 mph Use slow mowing speeds when operating on or near steep slopes ditches drop offs overhead obstructions power lines or when debris and foreign objects are to be avoided SGM 7 11 5 Operating the Mower Only operate the mower from the tractor operator s seat with the seatbelt securel...

Page 113: ...epairing the Mower and Tractor Equip the Tractor with a fire extinguisher in an accesible location Do Not operate the Mower on a Tractor with an underframe exhaust Do Not smoke or have an open flame near the Mower and Tractor Do Not drive into burning debris or freshly burnt areas Ensure slip clutches are properly adjusted to prevent excessive slippage and plate heating Never allow clippings or de...

Page 114: ...or wet vegetation may need to be mowed in two or more passes to achieve a uniform cut In such conditions raise the cutting height to 12 or more on the first pass OPS R 0043 Then lower the mower to the desired height and mow the vegetation a second time If possible select a mowing pattern that is at a 90 degree angle to the first pass to reduce streaking for a more uniform cut OPS R 0044 Stay alert...

Page 115: ... place the transmission in park or neutral and apply the parking brake lower the attached implement to the ground shut down the engine remove the key and wait for all motion to come to a complete stop before exiting the tractor OPS U 0016 12 DISCONNECTING THE MOWER FROM THE TRACTOR Before disconnecting the mower the PTO must be disengaged and blade rotation at a complete stop Move the mower to a l...

Page 116: ...e fall into mud or dirt which can contaminate the bearing and shorten the life of the driveline OPS R 0031_B Always shut the Tractor completely down place the transmission in park and set the parking brake before you or anyone else attempts to connect or disconnect the Implement and Tractor hitches S3PT 15 Never unhitch without using the Tongue Jack The Tongue is very heavy Attempting to lift the ...

Page 117: ...riveline clutches slip when an obstacle or heavy load is encountered to avoid mower and or tractor damage If the mower sits outside for an extended period of time or is exposed to rain and or humid air the clutch lining plates must be inspected to ensure they are not frozen together from rust or corrosion If the mower has been exposed to such conditions at the start of each mowing season and any t...

Page 118: ...e maximum lift height OPS R 0033_A If the tractor s hydraulic pump is not independent of the tractor PTO or if the tractor PTO has to be run to have hydraulic power disconnect the mower driveline from the tractor PTO output shaft Secure the driveline to the mower deck to prevent driveline damage or loss during transport OPS R 0034 Before transporting the tractor on a public roadway or boarding a t...

Page 119: ... Make certain that the Slow Moving Vehicle SMV sign is installed in such a way as to be clearly visible and legible When transporting the Equipment use the Tractor flashing warning lights and follow all local traffic regulations SG 6 The SMV Slow Moving Vehicle emblem is universal symbol used to alert drivers of the presence of equipment traveling on roadways at a slow speed SMV signs are a triang...

Page 120: ... and implement on public roads Use caution and reduce speed if other vehicles or pedestrians are in the area OPS U 0022 Reduce speed before turning or applying the brakes Ensure that both brake pedals are locked together when operating on public roads OPS U 0023 14 2 Hauling the Tractor and Implement Before transporting a loaded tractor and implement measure the height and width dimensions and gro...

Page 121: ... so that when tightened the chains are pulling downward and against themselves Carefully tighten the securing chains or other fasteners using boomers or binders to apply maximum tension Use extreme care when attaching and removing the securing devices as the extreme tension involved when released has the potential to inflict serious injury While hauling the tractor and implement make occasional st...

Page 122: ... bent up Replace Blades Breaking Blade Bolts Operating with loose Blade Bolts Tighten Blade Bolts to 300 ft lbs Left Hand Threads Worn Blade Bolt Replace Bolt Cutting Too High Blades bent up Replace Blades Blade Bolt Bushing broken or Replace or reweld Bushing Weld with loose E7018 low Hydrogen rods Blade Carrier bent Straighten or replace Blade Carrier Blades on upside down Turn Blades right side...

Page 123: ...nt Check joint angles and phasing Slow down ground speed or raise Mower End Galling of Cross and Cups Speed too high Reduce speed to 540 RPM Ears have deformed Install thrust washer Needle Rollers Have Brinelled Load too high for joint Check for small joint angles Into Cup and Cross Use Slip Clutch Check joint angles and phasing Shaft or Tube Twisted Over loaded Replace part and then slow down gro...

Page 124: ...with proper Vent Plug shallow cavity Plug Cavity in Oil Plug should be approximately 5 8 Oil level too high Lower oil level to Plug Gearbox Leaking Damaged Oil Seal Replace Seal No Oil Seal Install Oil Seal Oil too light EP140 Bent Shaft Replace Oil Seal and Shaft Oil Seal Race rough Replace Shaft or repair Race Oil Seal installed wrong Replace Seal Oil Seal not sealing in the housing Replace Seal...

Page 125: ...Maintenance Section 5 1 2007 Alamo Group Inc MAINTENANCE SECTION ...

Page 126: ...arts particularly when operating in sandy areas The illustrations show lubrication points The chart gives the frequency of lubrication in hours based on normal operating conditions Severe or unusual conditions may require more frequent lubrication Use an SAE multi purpose lithium type grease for all locations shown Be sure to clean the fitting thoroughly before using grease gun Daily lubrication o...

Page 127: ...the beginning and end of each mowing season NOTE Overfilling the Gearbox will cause pressure to build up and cause Oil Seals to leak ATTENTION If the Gearbox suddenly starts making an unusual noise stop at once check for leaks and refill Gearbox as required Recommended lubricant for GR60 is NLGI 000 P N 00765444 Mnt 0001 Gearbox capacity is 4 Quarts Required lubricant for GR72 is a SAE 85W140T PN ...

Page 128: ...nt and on the Round Housing Grease the U Joint after each 8 hours of use Do not force grease through the Needle Cup Assemblies Grease the Round Housing after every 8 hours of use except in sandy soil conditions Some PTO to Hitch connections may necessitate cutting a hole in the shields to be able to align the Grease Fitting holes for lubrication Mnt 0015 and Mnt 0016 ...

Page 129: ... on this cutter They are made of special heat treated alloy steel Substitute blades may not meet specifications and may fail in a hazardous manner that could cause injury Blade Sharpening Always sharpen both blades at same time to maintain balance Follow original sharpening pattern as shown in Mnt 0008 Always sharpen blades by grinding DO NOT heat and pound out edge Do not sharpen blade to a razor...

Page 130: ... nut on gearbox shaft Loosen but do not remove the nut until the blade carrier is loosened Use a suitable 2 jaw gear puller to pull carrier off tapered gearbox shaft If gear puller is not available use long bar inserted through blade bolt access hole with end against rotor bar Strike opposite end of bar with sledge hammer Rotate blade carrier 180 degrees and repeat process Blade Carrier Installati...

Page 131: ...has been idle for an extended period of time or in wet weather before operating check to be sure the friction lining plates are not rusted corroded together Should this occur refer to the procedure described in the Seasonal Clutch Maintenance section on the next page Seasonal Slip Clutch Maintenance It is important that the clutches slip when an obstacle or load heavier than the clutch setting is ...

Page 132: ...int Capscrews 1 no more than one half turn at a time until the Capscrew heads Bottom Out Do not over tighten the Capscrews nor completely flatten the Spring Washers 3 If the Hub is removed from the Shaft for any reason the Shaft and Hub should be coated with a heavy grease before reassembly to prevent Hub from freezing to Shaft Seasonal Torque Limiter Maintenance It is important that the Torque Li...

Page 133: ...utput 10 1 Nut Slotted 11 1 Cotter Pin 12 3 Bearing Upper Output Inner Outer Input 13 1 Spacer Long 14 10 Lockwasher 15 4 Bolt Top Cover 16 1 Plug Pressure Vent 17 1 Washer Sealing 18 1 Cover Top Inspection 19 1 Gasket Top Cover 20 AR Shim 0 10 21 AR Shim 0 25 22 AR Shim 0 50 23 8 Bolt Front Cover 24 1 Cap Front Bearing Retaining 25 1 Seal Input 26 1 Shaft Input 27 1 Gear Input 28 1 Spacer Short 2...

Page 134: ... front Cover and bearing Cup item 12 from back of Main Housing Casing item 1 Output Shaft Removal 1 Remove Cotter Pin item 11 from Nut item 10 and Output Shaft item 8 this can be done by reaching through opening in front of Main Housing 2 Slide Output Pinion Gear item 9 up off of Output Shaft and out of Main Housing 3 Output Shaft will come out of Main Housing through the bottom If Output Seal is ...

Page 135: ...over 3 Install Spacer item 13 onto Back side of Input Shaft item 26 Install Spacer item 28 onto input Shaft item 26 from the front Install Shims item 29 30 31 onto input Shaft from the front For quantity of Shims refer to Step 7 on Input Shaft Removal 4 Install Input Gear item 27 on to Input Shaft from the front Install Outer Bearing Cone item 12 on to input shaft and slide down till it seats agai...

Page 136: ...Make replacements immediately 5 Store the cutter in a clean dry place with the cutter housing resting on blocks 6 Use spray touch up enamel where necessary to prevent rust and maintain the appearance of the cutter Proper Torque For Fasteners The chart lists the correct tightening torque for fasteners When bolts are to be tightened or replaced refer to this chart to determine the grade of bolts and...

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Page 138: ...o Manufacturer 2 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 the goods or part s from the Dealer to the designated factory 3 LIMITATION OF LIABILITY 3 01 MANUFACTURER DISCLAIMS ANY EXPRESS EXCEPT AS...

Page 139: ...low these directions and the Safety Messages in this Manual The Table of Contents clearly identifies each section where you can easily find the information you need The OCCUPATIONAL SAFETY AND HEALTH ACT 1928 51 Subpart C makes these minimum safety requirements of tractor operators REQUIRED OF THE OWNER 1 Provide a Roll Over Protective Structure that meets the requirements of this Standard and 2 P...

Page 140: ...GR60 72 SOM 02 07 P N 00775743C Printed U S A GR 60 72 ROTARY CUTTER ...

Page 141: ...AND DROP LAST COPY IN ANY MAILBOX IMPORTANT TO PLACE THIS WARRANTY IN EFFECT THIS WARRANTY REGISTRATION MUST BE FILLED OUT SIGNED AND MAILED WITHIN 30 DAYS OF DELIVERY DATE OF THIS MACHINE DEALER AND PURCHASER MUST SIGN ATTENTION ANY CLAIM SUBMITTED TO SERVIS RHINO WILL BE REFUSED UNTIL COMPLETED SIGNED WARRANTY REGISTRATION CARD IS ON FILE 00763505 An Alamo Group Company ...

Page 142: ...tements above and the potential hazards of operating without such guards I understand that the operator is responsible for the safety of others in the area I have examined the product and accept it as being complete and in satisfactory condition with all required guards Purchaser s Signature ___________________________________ Date ______________ Servis Rhino Model Serial No Purchase Date M I Firs...

Page 143: ......

Page 144: ...ential hazards of operating without such guards I understand that the operator is responsible for the safety of others in the area I have examined the product and accept it as being complete and in satisfactory condition with all required guards Purchaser s Signature ___________________________________ Date ______________ Servis Rhino Model Serial No Purchase Date M I First Name Purchaser Last Nam...

Page 145: ......

Page 146: ...ntial hazards of operating without such guards I understand that the operator is responsible for the safety of others in the area I have examined the product and accept it as being complete and in satisfactory condition with all required guards Purchaser s Signature ___________________________________ Date ______________ Servis Rhino Model Serial No Purchase Date M I First Name Purchaser Last Name...

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RHINO GR60, Operator'S Manual

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