Servis-Rhino 95HD User's Manual
Contents
1. ft Ib POM PH 2 3 VASE F F F T E 510 7 16 20 140 10 1211 2 2 3 8 24 170 10 14 1 1 2 20 180 15 1541 2 2 7 16 20 220 15 18 1 9 16 18 250 15 21 1 1 2 20 260 15 22 1 3 4 16 550 25 45 5 9 16 18 320 20 27 2 11 16 12 1000 50 85 5 3 4 16 570 25 48 2 MAINTENANCE 1 5 16 12 1450 50 120 5 718 14 1060 50 90 5 15 8 12 2000 100 170 10 1 1 16 12 1300 50 110 5 17 8 12 2400 150 200 15 1 3 16 12 1750 75 145 6 21 2 12 3200 200 270 20 15M6 12 1920 25 160 6 15 8 12 2700 150 225 12 1 718 12 3000 150 250 12 21 242 3900 200 325 15 F3788 7 04 Maintenance Section 5 10 RHINO LIMITED WARRANTY 1 LIMITED WARRANTIES 1 01 Servis 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 goods purchased are free from defects in material or workmanship 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 This limited warranty does not apply to any part of the goods which has been subjected to improper or abnormal use2. Rod Dipperstick Cylinder Boom Dipperstick Pivot Base Bucket Cylinder Rod Bucket Cylinder Guide Link Dipperstick Dipperstick Bucket Pivot Swing Post Boom to Swing Frame Swing Cylinder Base Bucket Link Cylinder Bucket Link Bucket 2 2 2 1 1 1 1 1 1 1 1 1 2 1 4 2 1 Maintenance Section 5 4 MAINTENANCE HYDRAULIC TROUBLE SHOOTING Hydraulic trouble shooting material presented in this section is offered as a guide to diagnosing probable causes and remedies for general operational problems POSSIBLE CAUSE CORRECTIVE ACTION Low oil level in Fill reservoir to proper reservoir level No oil supply to Coupler not fully machine engaged Air in system Purge all circuits of air by operating all cylinders through full movements several times Check oil in reservoir for foaming Check all suction lines for leaks Fill reservoir to correct level Match your problem with the typical problem examples given in the possible cause column These numbers correspond with the possible cause and correction paragraphs that follow NOTE f when using the following chart it is decided that overhaul of components or pressure adjustment is necessary it is recommended that your dealer make these repairs He is equipped to do this work PROBLEM POSSIBLE CAUSE Machine fails to operate when initially starte
3. SECTION Safety Section 1 1 2004 Alamo Group Inc SAFETY SAFETY SAFETY PRECAUTIONS Safety of the operator was a prime consideration in the design of this backhoe Proper shielding convenient controls simple adjustments and other safety features have been built into this backhoe Accidents can be avoided if the following safety rules are observed PREPARATION Do not operate backhoe unless it is rigidly attached to the tractor Know your controls Read this operators manual and the manual provided with your tractor Learn how to stop the tractor the engine and the backhoe guickly in an emergency Provide adeguate front end weight to counter balance the backhoe at all times Be sure the area is clear of underground utilities or other hazards Position a barricade around the work area Keep all bystanders a safe distance away OPERATION Never allow anyone to operate the backhoe who is not familiar with safe operating practices Do not attempt to enter operators platform by using stabilizers as a step Operate from the backhoe operators seat only Allow only one person to operate the backhoe at a time Never dig with backhoe unless stabilizers are properly set Do not dig under stabilizers or tractor with backhoe Soft ground or sandy soil can cause cave ins Always swing bucket uphill to dump when on a hillside Keep loaded bucket low Set brakes and lock wheels when operating on hills and ban
4. TWO 2 YEARS AFTER THE CAUSE OF ACTION HAS OCCURRED 4 MISCELLANEOUS 4 01 Proper Venue for any lawsuits arising from or related to this limited warranty shall be only in Guadalupe County Texas 4 02 Manufacturer may waive compliance with any of the terms ofthis limited warranty but no waiver of any terms shall be deemed to be a waiver of any other term 4 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 4 04 Applicable law may provide rights and benefits to purchaser in addition to those provided herein KEEP FOR YOUR RECORDS ATTENTION Purchaser should fill in the blanks below for his reference when buying repair parts and or for proper machine identification when applying for warranty Rhino Implement Model Serial Number Date O O Dealer 1 L RHINO RHINO ATTENTION Member of the Alamo Group READ YOUR OPERATORS MANUAL 1020 S Sangamon Ave Gibson City IL 60936 MEMBER OF THE y 2 ALAMO GROUP ALWAYS ON THE CUTTING EDGE 2004 Alamo Group Inc 800 446 5158 Ja a THE OWNER OPERATOR DEALER RHIN In addition to the standard Limited Warranty shown on the facing page Rhino also provides 1 A TWO YEAR 24 months LIMITED WARRANTY on non perishable structural items such as Loader Boom Side Frames Mount Brac
5. by swinging bucket downhill when positioned on a slope It is not difficult to become an efficient operator Control operating decals are located in front of control levers F3788 7 04 2004 Alamo Group Inc Study these decals They will assist you in becoming familiar with the controls Smooth light handling of controls will result in the most efficient backhoe operation Operate backhoe control levers to become familiar with their speed and movements Engine speed and PTO RPM will determine speed of cylinder operation Swing boom several times to practice controlling the speed of swing Do not operate swing more than 45 degrees each way for the first few times Gradually increase the arc Best results are obtained by digging near center of swing arc so material can be dumped on either side As operator becomes more familiar with operation of backhoe it will be common practice to operate two controls at one time For example with bucket extended and dipperstick extended the lift control and dipperstick control can be operated together to bring bucket toward operator with down pressure on it As dipperstick approaches operator the dipperstick and bucket controls can be operated together to close bucket and trap material At end of stroke lift and dipperstick controls are operated to move load up and away from operator to save time in clearing excavation This dual operation of controls will speed and simplify digging
6. gear kills DANGER Never work under the Implement the framework or any 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 WARNING 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 thrown by the equipment PROLONGED EXPOSURE TO LOUD NOISE MAY CAUSE PERMANENT HEARING LOSS Tractors with or without an Implement attached can often be noisy enough to cause permanent hearing loss We recommend that you always wear hearing protection if the noise in the Operator s position exceeds 80db Noise over 85db over an extended period of time will cause severe hearing loss Noise over 90db adjacent to the Operator over an extended period of time will cause permanent or total hearing loss Note Hearing loss from loud noise from tractors chain saws radios and other such sources close to the ear is cumulative over a lifetime without hope of natural recovery WARNING F3788 7 04 Safety Section 1 4 O 2004 Alamo Group Inc DANGER DANGER WARNING WARNING F3788 7 04 SAFETY Do not operate this Equipment with hydraulic oil leaking Oil is expensive and its presence could present a hazard Do not check for leaks with your hand Use a piece of heavy paper or cardboard High pr
7. has two major control levers Boom Swing and Dipperstick Bucket These controls are located on the control panel directly ahead of the operator The stabilizer control levers are located between the two major control levers DIPPERSTICK LEFT STABILIZER STABILIZER BOOM SWING Push lever forward boom moves down away from operator Pull lever back boom moves up toward operator Pushing lever farther forward into detent position puts boom into float Float detent position allows boom to drift up or down Move lever to left backhoe swings left Move lever to right backhoe swings right By moving lever to one of the intermediate positions boom can be swung left or right at the same time as it is being raised or lowered performing two operations simultaneously Swing left and lower boom by moving control lever forward and to the left Swing left and raise boom by moving control lever back and to the left Swing right and lower boom by moving control lever forward and to the right Swing right and raise boom by moving control lever back and to the right Operation Section 4 2 OPERATION DIPPERSTICK BUCKET Push lever forward dipperstick moves away from operator Pull lever back dipperstick moves toward operator Move lever to left bucket curls in Move lever right bucket extends out By moving lever to one of the intermediate positions dipperstick can be extended or retracted at
8. medical attention immediately or gangrene may result Be sure to relieve all pressure before disconnecting lines Be sure all connections are tight and that lines pipes and hoses are not damaged before applying pressure to the system Do not remove any guards on backhoe or tractor It means ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED Safety Section 1 2 SAFETY PELIGRO Si no lee Ingles pida ayuda a alguien que si lo lea para que le traduzca las medidas de seguridad Never operate the Power Unit or Implement until you have read DANGER and completely understand this Manual the Power Unit Operator s Manual and each of the Safety Messages found in the Manual or on the Power Unit and Implement Learn how to stop the Power Unit engine suddenly in an emergency Never allow inexperienced or untrained personnel too operate the Power Unit and Implement without supervision Make sure the operator has fully read and understood the manuals prior to operation ASE ELA Always maintain the safety decals in good readable condition If the decals are missing damaged or unreadable obtain and install replacement decals immediately Make certain that the Slow Moving Vehicle SMV sign is installed in such a way as to be clearly WARNING visible and legible When transporting the Equipment use the Power Unit flashing warning lights and follow all local traffic regulations Operate this Equipment only with a Tractor equipp
9. piece or striking tool BEGINNING OF SEASON Remove all protective covering Remove excessive grease from cylinder rods if unit has been in long term storage Check hydraulic hoses for deterioration and replace if necessary Caution hydraulic hoses may be under pressure Make sure pressure has been relieved before removing hoses Lubricate all grease fittings and oil handle linkage Clean and inspect all safety and operation decals Replace missing or damaged decals Replace oil filter Fill hydraulic fluid to proper level Tighten all loose bolts nuts and set screws See torque chart page 5 10 Sharpen or replace worn bucket teeth Operate backhoe slowly for a short time before placing unit under full load Fully cycle backhoe through all movements several times to purge air from the system F3788 7 04 2004 Alamo Group Inc HYDRAULIC HOSES WARNING Escaping hydraulic fluid under pressure can penetrate skin causing serious injury DO NOT use your hand to check for leaks Use a piece of cardboard or paper to search for leaks Stop engine and relieve pressure before connecting or disconnecting lines Tighten all connections before starting engine or pressurizing lines Oil leaks on the suction side will draw air into the system causing oil in reservoir to appear foamy When tightening connections always use two wrenches IMPORTANT Do not over tighten fittings Make them just tight enough to e
10. rings to extrude control valve too low PSI Clean or overhaul or defective relief valve or replace cartridge See Fig 11 This valve is a precision device and is not intended for item 18 extensive field adjustment or repair Field replacement Work port relief valve Clean relief or replace parts are limited to seal kits cartridges valve sections in control valve stuck cartridge Do not disturb and tie rod ends Beyond replacement of these parts open or pressure setting See opening of check cavities and certain relief valve malfunctioning Fig 6 items 16 17 41 cavities to examine for trapped dirt or resetting main Worn control valve Replace control valve relief valve with the use of a good pressure gauge Load check poppet in Clean check poppet s valve should be returned for service control valve not carefully Ensure free holding movement and proper Dirt and shreds of packing material are the usual causes seating or replace check of valve malfunction Be sure that oil supply is kept clean poppet s See Fig 6 Use only factory supplied packings in cylinder repair item 26 Fittings and hoses must be clean before being removed a 00l cal WOM Se Fi Pema Pages 5 7 8 5 8 explain proper valve repair procedure Check ball in anti Clean ai avit fi n Pages 5 9 6 16 86 17 illustrate valve and lists repair cavitation is stuck or valve carefully Assure parts not seated properly checks BANY freely NOTE
11. that it cannot hold a tooth point a new shank should be welded to bucket TIGHTENING NUTS AND BOLTS Periodically check to be sure all bolts and nuts are tight See torgue chart page 5 10 Check all pivot pins for cotter pins washers and retainers If any are missing replace them LUBRICATION Economical and efficient operation of backhoe is dependent upon regular and proper lubrication of all moving parts with a quality lubricant AII parts provided with grease fittings should be lubricated with a good quality chassis lube type grease If any grease fittings are missing replace them immediately Clean all fittings thoroughly before using grease gun Lubricate all 27 grease fittings at least twice daily See chart for locations once at the beginning of operation and again approximately half way through the work day Grease hourly any joints that operate in water Control valve handle linkage should be oiled with SAE 30 oil IMPORTANT Avoid excessive greasing Dirt collects on exposed grease and greatly increases wear Afler greasing wipe off excess grease from fittings F3788 7 04 2004 Alamo Group Inc LUBRICATION CHART MAINTENANCE Item No Location Description Qty Total Stabilizer Arm 2 Rod Stabilizer Cylinders Rod Swing Cylinders Base Stabilizer Cylinders Base Boom Cylinder Rod Boom Cylinder Base Dipperstick Cylinder
12. the same time as bucket is being loaded or dumped Move dipperstick away and extend bucket by moving lever forward and to the right Move dipperstick toward operator and curl bucket by moving lever back and to the left Move dipperstick away and extend dump bucket by moving lever forward and to the right Move dipperstick toward operator and extend bucket by moving lever back and to the right The two operations of the boom and swing lever combined with the two operations performed by bucket and dipperstick control lever provide four simultaneous operations from the two levers Oil flow will go to operation which reguires the least pressure The ability to feather valve spools and balance pressure comes with experience resulting in reduced cycle times LEFT HAND STABILIZER Push lever forward left hand stabilizer lowers Pull lever back left hand stabilizer raises RIGHT HAND STABILIZER Push lever forward right hand stabilizer lowers Pull lever back right hand stabilizer raises OPERATING BACKHOE CAUTION To avoid possible injury observe the following safety rules WHEN OPERATING backhoe Operate from backhoe operators seat only Lower stabilizers until weight of tractor is supported by stabilizers Do not lift tractor tires off ground Do not dig near stabilizers Do not attempt to raise tractor off ground or move tractor forward or backward using backhoe dipperstick or bucket Do not lose stability
13. to Replacing Spool Ends Section ia functions of RELIEF VALVE CARTRIDGE T e 0 Plug gauge directly into stabilizer work section and Spool Seal Installation section operate stabilizer Port Section 1 Protect 3500 5 Replace bonnet and socket head cap screws A port backhoe from Apo na m iiid 2650 A backhoe 4 Replace spool in section Refer to instructions in bucket digging pressure guage REPLACING SPOOL ENDS CENTER TWO induced loads is required SECTIONS Port Section 1 Protect Install porta Spool extensions handle end are installed at the factory relief B port pao nor Wani hose del iti ucket digging using Loctite 262 Spool screws positioner end are induced loads into working port installed at the factory using Loctite 242 Do not replace Port Section 21 Protect swing 12650 of relief to be them unless they are damaged Use following procedure relief A amp B cylinder circuit checked to replace them ports from shock ressurize loading porta power and 1 Remove spool from section Follow instructions in observe NE Port Section 5 Protect 2650 maximum Seal Removal Section except do not remove relief port backhoe from Sea s bucket digging attained Port Clamp spool using vice grips on land section of spool induced loads reliefs should not machined for valve bore Port Section 6 Protect 2650 crack at or relief port backho
14. to maintain 90 and 15 18 inch positions Figures 1 8 2 If upper link interferes with seat move seat bracket into forward set of holes Check for proper operator head clearance with ROPS and cab Figure 3B Tighten all hardware in upper link assembly to torque specifications in backhoe manual WARNING Escaping hydraulic fluid under pressure can penetrate skin causing serious injury DO NOT use your hands to check for leaks Use a piece of cardboard or paper to search for leaks Stop engine and relieve pressure before connecting or disconnecting lines 2004 Alamo Group Inc Tighten all connections before starting engine or pressurizing lines If any fluid is injected into skin obtain medical attention immediately or gangrene may result Figure 3A Assembly 10 Minimum Figure 3B Clearance 40 Minimum Radius 15 18 r Assembly Section 3 4 OPERATION SECTION Operation Section 4 1 2004 Alamo Group Inc OPERATION F3788 7 04 OPERATION CAUTION To avoid possible injury observe the following safety rules BEFORE OPERATING backhoe Be sure area is clear of underground utilities or other hazards Position a barricade around work area Keep bystanders a safe distance away PRE OPERATION CHECK LIST This backhoe is designed fo
15. 0 Maintenance Section 5 5 JONVNALNIVWN MAINTENANCE POSSIBLE CAUSE CORRECTIVE ACTION POSSIBLE CAUSE CORRECTIVE ACTION Oil leakage past spool If spool cap contains oil Restrictor in cylinder Check restrictors for seal into spool cap replace spool seal o ring ports are plugged debris and clean See Check for restriction from Fig 11 item 3 valve out port reservoir Hoses i i plumbed incor Check hose plumbing See Fig 6 item 23 rectly See Fig 11 Broken return springs Return springs See Fig Excessive hydraulic Do not move tractor 6 items 2 amp 5 pressure due to tractor unless backhoe is up in Bent spool Return for factory repair mechanical forces transport position and or replace with new spool backhoe can not contact section See Fig 6 ground items 38 39 40 After valve has been Disassemble and remove Foreign particles Clean system and valve repaired grease lubricant from around o Misalignment of Check linkage for binding lubrication on o rings rings between sections control handle linkage USA Fig 6 items 8 cause spools to bind due to valve distortion Valve studs are not Check studs for proper torqued to 15 ft Ibs torgue Spool not moved to Spool travel should be full stroke 265 either way or 53 M M 11 items Distortion causes a spool to bind or o Relief valve setting in Pressure should be 2500
16. 1 75 Dipperstick 3 25 25 56 35 25 60 81 1 75 Bucket 3 00 22 00 32 00 54 00 2 00 Swing 3 00 10 78 7 16 17 94 1 50 Stabilizer 3 00 17 69 26 25 43 94 1 50 F3788 7 04 Introduction Section 2 3 2004 Alamo Group Inc NOILONGOULNI INTRODUCTION INTRODUCTION SPECIFICATIONS F3788 7 04 Introduction Section 2 4 2004 Alamo Group Inc ASSEMBLY SECTION Assembly Section 3 1 2004 Alamo Group Inc ASSEMBLY ASSEMBLY GI ES NI 2 Use Existing Hardware INSTALLING PUMP KIT WARNING Do not modify or alter this implement Do not permit anyone to modify or alter this Implement any of its components or any Implement function NOTE Drawbar may need to be removed if it interferes with reservoir If drawbar can be left in place retaining bracket 4 should be installed on left side of pump as shown and positioned on left side of tractor drawbar 1 Fasten hydraulic pump retaining bracket 4 to pump 6 using 3 8 16 x 1 1 4 cap screws 22 and 3 8 lock washers 24 Fasten one end of chain 8 to pump retaining bracket using wire rope clip 5 and 3 8 lock nuts 25 NOTE Wrap chain tightly around hitch bracket on tractor to prevent pump from slipping off PTO shaft 2 Sandwich reservoir 1 between 3 pt mounting br
17. Bushings 2 e Q Cylinders Only CYLINDER SERVICE Cylinders are designed to be reliable and easy to service If a cylinder should malfunction during warranty period return complete cylinder assembly without disassembling to your authorized service department or contact your authorized service department for instructions Unauthorized disassembly of a cylinder in warranty period will VOID WARRANTY Following is an outline procedure for disassembling and reassembling cylinders CYLINDER 1 Hold cylinder tube 13 figure 5A stationary and pull wire ring 14 out through slot Rotate head 6 to ease disassembly 2 Pull shaft 1 with all assembled parts out of cylinder tube NOTE Resistance will be felt until head and piston seal 5 amp 10 slides over wire retaining ring groove Seals are usually damaged when cylinder is disassembled 3 Remove lock nut 12 from end of shaft and slide piston 8 and cylinder head 6 off shaft Remove piston wear ring 11 piston seal 10 and o ring 9 from outside grooves on piston Swing and boom cylinders have additional steel ring between piston and nut Remove wiper seal 2 rod seal 3 and wear ring 7 from inside of cylinder head and o ring 5 with backup washer 4 from groove on outside of head Clean all parts including cylinder tube in a suitable cleaning solvent then use air pressure to blow any dirt or excess solvent from all parts Examine all pa
18. ERATION SWING LOCK Use swing lock when transporting or dismounting backhoe Position boom straight back and drop pin through holes in swing frame and mainframe Store pin in hole provided on mainframe BOOM LOCK Use boom lock when transporting backhoe 1 Completely raise boom and lower dipperstick 2 Secure boom using boom lock pin and hair pin clip TRANSPORTING THE BACKHOE CAUTION 7o avoid possible injury observe the following safety rules WHEN TRANSPORTING the backhoe Travel slowly over rough terrain on hillsides and around curves to prevent tipping Do not drive tractor near the edge of a ditch or excavation Use accessory lights and slow moving vehicle emblem when traveling on highways Before leaving backhoe operators seat position backhoe for transport by raising boom swinging to center curling bucket in crowding dipperstick in and raising stabilizers Install swing and boom lock pins When transporting for long distances periodically examine backhoe and raise boom stabilizers and bucket back up to full height It is normal for backhoe to slowly settle while being transported IMPORTANT Position SMV sign on mounting bracket located on bucket cylinder when transporting backhoe During backhoe operation position SMV sign on bracket located on tractor SMV Sign Mounting Bracket F3788 7 04 2004 Alamo Group Inc REMOVAL FROM TRACTOR STORAGE Backhoe is self assisting during install
19. N Hazards or unsafe practices which could result in minor personal injury or property damage A PELIGRO E LEA EL INSTRUCTIVO Si No Lee Ingles Pida Ayuda a Alguien Que Si Lo Lea Que le Traduzca las Medidas de Seguridad Read and understand the complete Warranty Statement found in this Manual Fill out the Warranty Registration Form in full and return it within 30 Days Make certain the Serial Number of the Machine is recorded on the Warranty Card and on the Warranty Form that you retain The use of will fi parts will void your warranty and can cause catastrophic failure with possible injury or death TABLE OF CONTENTS SAFETY SECTION Safety Precautions Safety Hazard Signal Words Safety Decals INTRODUCTION SECTION Introduction Specifications ASSEMBLY SECTION Installing Pump Kit Installing 3 Point Adapter Mounting Backhoe to Tractor OPERATION SECTION Pre Operation Check List Operating Directions Engine Speed Controls Boom Swing Dipperstick Bucket Operating Backhoe Seat Adjustment Mounting and Dismounting Buckets Placing the Stabilizers Swing Lock Boom Lock Transporting the Backhoe Storage MAINTENANCE SECTION Cylinder Service Beginning of Season Hydraulic Hoses Auxiliary PTO Hydraulic System Bucket tooth Points Lubrication Hydraulic Trouble Shooting Valve Service Torgue Charts Rhino is a registered trademark of Alamo Group Inc 2004 Alamo Group Inc SAFETY
20. NIVN NOTE Use Locktite 242 if replacing positioner end F3788 7 04 Maintenance Section 5 9 2004 Alamo Group Inc MAINTENANCE GENERAL TOROUE SPECIFICATIONS USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN AMERICAN STANDARD CAP SCREWS METRIC CAP SCREWS SAE Grade Metric Class 88 22 O TORQUE TORQUE Cap Screw TORQUE TORQUE Screw Size FT LBS FT LBS Size FT LBS FT LBS Inches MIN MAX MIN MAX Millimeters MIN MAX MIN MAX 1 4 20 6 25 8 25 9 5 M6x100 6 8 9 11 1 4 28 8 10 5 12 M8x125 16 20 23 27 5 16 18 14 18 5 20 M10 x 1 50 29 35 42 52 5 16 24 23 25 M12 x 1 75 52 62 75 91 M M M 8 16 35 37 4x2 00 85 8 24 41 45 6 x 2 50 7116 14 55 60 8 x 2 50 7 6 20 68 75 M20 x 2 50 13 86 96 M22 x 2 50 20 MM24 x 3 00 9 16 12 M27 x 3 00 9 16 18 M30 x 3 00 5 8 11 5 8 18 10 16 118 9 NOTE These values apply to fasteners as received from the supplier dry or when lubricated with normal engine oil They do not apply if special graphite or molydisulphide greases or 718 14 other extreme pressure lubricants are used 1 8 1 14 Torque Specifications for Torque Specifications for 379 JIC Fittings SAE O Ring Fittings Assembly Torque Assembly Torque Tube uel Nut Thread in Ib ft Ib p in Ib
21. Pay close attention to all caution waming notes so and seat properly or valve will not have to be retumed to manufacturer for replace cartridge See EB Fig 6 item 17 reconditioning Valve cap and center Loosen screws holding Troubleshooting guide is designed to help qualified return mechanism cap on valve See Fig 6 individuals with valve service training correct minor binding items 2 amp 5 Operate problems which may develop If valve is under warranty valve spool and retighten screws do not attempt disassembly for repairs Contact your authorized dealer MAINTENANCE F3788 7 04 Maintenance Section 5 6 2004 Alamo Group Inc MAINTENANCE VALVE SERVICE SPOOL SEAL REMOVAL REPLACING SECTIONS 1 Remove handle assembly Center two sections For clarification the inlet cover cover containing main relief cartridge 18 will be called the left end of the valve assembly Reassemble valve on a flat surface to insure proper section alignment 1 2 Thoroughly clean valve assembly Before disassembly mark each section numerically to Remove handle assembly from section removed Remove valve from backhoe being avoid incorrect reassemble Remove four hex nuts and lock washers from right outlet cover end of valve Slide outlet cover and each section off tie rods Replace sections as needed Reassemble valve NO
22. RACTOR 1 F3788 7 04 Back tractor close enough to tractor to connect hose kit or pump to tractor WARNING BEFORE leaving the Power Unit Seat always engage the brake and set the Power Unit transmission in parking gear disengage the auxiliary hydraulics stop the engine remove the key and wait for all moving parts to stop Using backhoe hydraulics lower stabilizers until backhoe can be connected to 3 point hitch Bottom of backhoe boom pivot should be 15 to 18 inches off ground when attaching to tractor lower 3 point arms LOWER LINK CATEGORY I 3 PT HITCH Connect to backhoe and secure using hitch pins 6 and lynch pins 10 CATEGORY II 3 PT HITCH Use 1 7 8 long x 1 1 8 O D bushings 20 hitch pins 6 and lynch pins 10 CATEGORY III 3 PT HITCH Use 1 7 8 long x 1 7 16 O D bushings 21 hitch pins 6 and lynch pins 10 UPPER LINK CATEGORY I III 3 PT HITCH Connect center link assembly to upper connecting point on tractor 3 point hitch using clevis pin and lynch pin from tractor If reguired insert bushing 8 9 or 22 into center front link 5 to match tractor clevis pin diameter CAUTION Upper connecting point where backhoe fastens to tractor is under high load when backhoe stabilizers lift rear of tractor Check backhoe and tractor components in this area often for signs of fatiguing loose hardware and wear Adjust link assembly length if necessary for backhoe mainframe
23. RNING Backhoe is not compatible with 3 pt quick attach device Tractors with 3 pt quick attach device must remove guick attach device before installing backhoe Install mounting brackets 3 8 4 to backhoe using 3 4 x 2 cap screws 16 and 3 4 lock nuts 12 Fasten support braces 1 amp 2 to backhoe using 3 4 x 3 1 2 cap screws 11 1 19 bushings 7 and 3 4 lock nuts 12 Connect rear center link 17 to backhoe mainframe using 1 x 3 7 8 clevis pin 14 and 1 2 x 2 cotter pin 15 Using overhead hoist floor jack or connecting backhoe hydraulics to tractor so stabilizers can be activated Position backhoe to achieve 90 and 15 18 inch height as described in figures 3A amp 3B Join support braces 1 amp 2 front center link 5 and rear center link 17 to nearest bolt holes which will maintain as close as possible the 90 and 15 18 inch position of backhoe Leave hardware loose for final adjustment later NOTE Hole locations shown in parts diagram for bolts 13 amp 18 are for illustration only and will vary depending on tractor model However it is necessary that all three bolts be installed For some installations support braces 1 amp 2 may be installed between bolts 18 Support braces must be fastened to center links within 13 inches from pin point on tractor Figure 3A F3788 7 04 Assembly Section 3 3 2004 Alamo Group Inc AIEINASSV ASSEMBLY ASSEMBLY MOUNTING BACKHOE TO T
24. TE Refer to Replacing Section Seals if seals need to be replaced 8 9 WARNING Do not prelube O ring section seals prior to installation Compression of lubricants can distort valve causing spool binding Torque stud nuts evenly to 15ft Lbs CAUTION f stud nuts are not tightened to proper torque valve spools may bind or stick or cause O ring seals to extrude Reinstall handle assembly Use locite 242 blue on all Screws REPLACING SECTION SEALS Disassemble valve as described in previous section Remove old O ring section seals Be careful not to scratch or otherwise damage sealing surface areas Thoroughly clean O ring counter bores and surfaces of Remove clevis pin from spool Remove bonnet and spool positioner assembly from rear of the work section Carefully slide spool out of valve housing Remove old spool seals Be careful not to scratch or damage spool bore and sealing surfaces Thoroughly clean both seal grooves and exposed end of spool SPOOL SEAL INSTALLATION 1 Lightly oil and insert one new spool seal in handle end front seal groove of valve housing Verify seal fit by carefully running your finger around exposed edge of seal Seal should have a perfect ridge with no kinks or twists Lightly oil valve spool and starting from positioner end rear reintroduce spool into valve housing Slowly push spool past seal with a twisting motion Stop when sea
25. ackets or subframe and backhoe using hardware supplied with 3 pt mounting brackets or subframe Install 1 x 2 1 2 nipple 19 3 4 x 3 4 elbow 18 and 3 4 x 2 nipple 20 to right tank port Point 3 4 x 3 4 elbow fitting 18 up INSTALLING PUMP KIT Option Install filter body without filter element to 3 4 nipple 20 Be sure oil flow arrow on filter body is correct Position body so element points right Install filter element 7 Install 3 4 x 3 4 fitting 16 to filter body Install 1 x 1 elbow fitting 17 and hose barb 13 to left tank port Point hose barb up and 45 to left Install 1 5 16 live swivel elbow 14 to right IN port on pump Install 3 4 x 1 1 16 elbow fitting 15 to left DUT port on pump Connect suction hose 3 to reservoir using hose clamp 10 and to live swivel fitting 14 on pump Connect pressure hose 12 to OUT port on pump and IN port on valve Connect tank hose 11 to OUT port on valve and to filter on hydraulic reservoir 10 Fill reservoir to within two inches from top with 10W or 20W hydraulic oil with SAE J183 M2C33F classification Dextron 2 ATF fluid and 10W engine oil with API SD classification are also acceptable NOTE After cycling all cylinders recheck oil level F3788 7 04 Assembly Section 3 2 2004 Alamo Group Inc ASSEMBLY INSTALLING THREE POINT ADAPTER Option INSTALLING THREE POINT ADAPTER WA
26. amo Group Inc INTRODUCTION INTRODUCTION INTRODUCTION This manual provides operation maintenance assembly and parts identification for your new backhoe Your backhoe has been designed to give many years of satisfactory service Successful operation and long life of the backhoe depends on proper maintenance and operation Please read this manual carefully and follow all instructions Correct assembly operation and maintenance will save you much time and expense Also follow instructions included with backhoe mounting and hydraulic kits to insure that backhoe is installed correctly to tractor NOTE This safety alert symbol identifies important safety messages in this manual Observe and follow all safety messages to prevent personal injury Reference to left hand and right hand used in this manual refers to position of operator when seated in the operating position of backhoe If at any time you have a service problem with your backhoe or need new parts contact your local dealer Your dealer will need your backhoe model number and serial number to give you prompt efficient service Parts orders must give complete description correct part number total amount reguired model number all necessary serial numbers method of shipment and shipping address F3788 7 04 Introduction Section 2 2 2004 Alamo Group Inc INTRODUCTION SPECIFICATIONS Specifications may vary depending on tractor model tire size and bucket used and ar
27. ation and removal procedures 1 Put stabilizers down and lift backhoe slightly Rotate boom straight back Install swing lock pin Completely raise boom and lower dipperstick Curl bucket until bottom of bucket is level with ground Lower boom until bucket rests firmly on ground 4 Remove pins which secure backhoe to tractor Slowly drive forward until tractor clears backhoe Engage tractor brakes Lower backhoe by raising stabilizers and boom until backhoe or subframe rests on suitable blocking Leave stabilizers touching ground NOTE For added stability rest backhoe or subframe on wood blocks or plywood 7 Shut off tractor Work handles back and forth to relieve hydraulic pressure Disconnect hydraulic lines or pump from backhoe For long term storage coat all exposed cylinder rods with grease Lubricate all grease fittings stabilizer pivot pins and complete handle linkage WARNING avoid injury during removal of backhoe Do not permit bystanders within 15 feet Dismount backhoe on firm level ground Always shut off tractor engine disengage PTO and relieve pressure before disconnecting oil lines Storage Swing Lock Pin Swing Lock Boom Lock Storage Boom Lock Pin Operation Section 4 5 NOILVA4dO MAINTENANCE SECTION 2004 Alamo Group Inc MAINTENANCE MAINTENANCE Figure 5A Figure 5B seal face inward Figure 5 Cylinder Service d 1 i I U I
28. c SAFETY WARNING Never interfere with factory set hydraulic calibrations Any change in calibration could cause a failure of the equipment and result in injury DANGER Always shut the Power Unit completely down place the transmission in park and set the parking brake before you or anyone else attempts to connect or disconnect the Backhoe DANGER Never crawl under a raised implement supported solely by the Power Unit boom Release of the control lever or mechanical failure will result in the Implement falling and possible injury or death Always securely block up the Implement before crawling underneath to perform repairs and service WARNING Relieve hydraulic pressure prior to doing any maintenance or repair work on the implement Place the Backhoe on the ground or securely supported on blocks or stands disengage the auxiliary hydraulics and turn off engine Push and pull the control levers several times to relieve pressure prior to starting any maintenance or repair work SAFETY HAZARD SIGNAL WORDS There are three levels of hazard intensity identified by signal words DANGER WARNING and CAUTION The level of hazard intensity is identified by the following definitions 4DANGER DANGER Immediate hazards which will result in severe injury or death WARN ATTENTION BECOME ALERT A CAUTION YOUR SAFETY IS CAUTION Hazards or unsafe practices which could result INVO LVE D in minor personal inj
29. d 1 2 5 7 15 23 31 Oil viscosity too heavy or oil is not at operating temperature Use recommended hydraulic fluid Run machine until it reaches operating temperature Machine looses power after initially operating satisfactorily 1 8 10 15 23 Pump not running Check PTO to be sure it is engaged Check for sheared key on pump shaft Loss of power in lift or dipperstick cylinder but other cylinders function properly 22 24 28 Insufficient pumping Advance engine throttle Loss of power in any one cylinder including lift and dipperstick 8 9 10 11 12 13 22 23 24 25 28 Improper hose connection IMPORTANT Be sure inlet and return hoses are hooked up correctly Improper hookup will result in damage to backhoe valve Loss of power or loss of cushioning action in swing cylinders but other cylinders function properly 8 9 10 11 12 13 22 23 25 Maximum swing action cannot be obtained 10 11 12 14 30 31 Loose hydraulic connections leaks in fittings or hoses Tighten all hose connections and replace all damaged o rings at leaking o ring fittings Check and replace any damaged hoses Slow operation of machine lack of power all cylinders 1 4 6 15 23 30 Spongy or jerky action of cylinders and or noisy operation 1 3 4 5 30 Restrictions in fittings or hoses Check and replace any damage
30. d hoses and fittings Check for pinched hoses Lift dipperstick or bucket cylinders drop under load when lever spools are shifted from neutral 10 11 25 26 Oil is bypassing cylinder piston Replace or rebuild cylinder Replace damaged parts Check if piston is loose on shaft Load settles 8 10 13 24 25 26 Scored piston rods or worn rod guides in cylinder Replace or rebuild cylinder Replace damaged parts Leaky cylinders 10 11 12 13 Leaky valve 8 15 16 27 Bent piston rod in cylinder Replace or rebuild cylinder Replace damaged parts Sticky valve spool 16 19 20 21 24 33 34 Unable to push valve spool in 16 17 20 21 29 33 34 Spring centered spools do not return to neutral 16 17 18 19 20 21 29 Worn or damaged rod seals on oylinder External leaks Re pack cylinder Rebuild cylinder replacing damaged parts as necessary Swing linkage jammed Remove interference Handle develops excessive play or no longer aligns in center position 18 19 21 25 Excessive back pressure Restriction between valve out port and reservoir F3788 7 04 2004 Alamo Group Inc Paint on valve spool Sticking valve spool or scored valve Clean valve spool Binding may be caused by over tightened plug mounting bolt fitting or tie rod bolt See item 3
31. du 95HD Part No F 3788 Published 7 04 OPERATOR S MANUAL o 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 Rhino O 1020 S Sangamon Ave er THE CUTTING EDGE Gibson City IL 60936 800 446 5158 O 2004 Alamo Group Inc email partsQservis rhino com TO THE OWNER OPERATOR DEALER AI implements with moving parts are potentially hazardous There is no substitute for a cautious safe minded operator who recognizes the potential hazards and follows reasonable safety practices The manufacturer has designed this implement to be used with all its safety eguipment properly attached to minimize the chance of accidents BEFORE YOU START Read the safety messages on the implement and shown in your manual Observe the rules of safety and common sense SAFETY HAZARD SIGNAL WORDS There are three levels of hazard intensity identified by signal words DANGER WARNING and CAUTION The level of hazard intensity is identified by the following definitions DANGER DANGER Immediate hazards which will result in severe injury or death THIS SAFETY SYMBOL MEANS A WARNING ATTENTION practices which could result in B E C O M E AL E RT A CAUTION SAFETY is INVOLVED CAUTIO
32. e from down to 200 PSI 3 Unscrew damaged end bucket digging below specified induced loads relief setting NOTE Heat may be applied to loosen Loctite PORT RELIEF PILOT PORT RELIEF PORT RELIEF 1A ROD END BOOM CYLINDER 2650 PSI OPERATED W ANTI CAVITATION 3500 PSI 1B BASE END BOOM CYLINDER LOCK VALVES7 2650 PSI 2A ROD END RIGHT SWING CYLINDER PRESSURE TOP AND 2B ROD END LEFT SWING CYLINDER O RINGS BOTTOM MAIN RELIEF 3A ROD END LEFT STABILIZER CYLINDER MALE 2500 PSI 3B BASE END LEFT STABILIZER CYLINDER 4A ROD END RIGHT STABILIZER CYLINDER U OUTLET PORT 4B BASE END RIGHT STABILIZER CYLINDER V 3 4 16 O R 5A BASE END BUCKET CYLINDER I GI f 7 5B ROD END BUCKET CYLINDER 6A BASE END DIPPERSTICK CYLINDER 6B ROD END DIPPERSTICK CYLINDER OUTLET PORT 3 4 16 O R MACHINED TO ACCEPT POWER BEYOND SLEEVE INLET PORT 3 4 16 OR OUTLET EXHAUST PORT RELIEF M SECTION O RING LOAD W ANTI CAVITATION INLET CHECK 2650 PSI FLOAT SECTION SECTION FLOW DIRECTION PORT RELIEF F3788 7 04 Maintenance Section 5 8 2004 Alamo Group Inc MAINTENANCE N Apply Loctite 243 NOTE Relief cartridges 16 17 and 18 are not repairable If service other than to replace seal kit 1 is required replace complete cartridge NOTE Use Locktite 262 when replacing spool ends 19 6 34 NOTE Positioner ends 2 8 5 are available as kits only 0 0 CM DOM 100 moon of 20000 FJONVNAL
33. e subject to change without notification Tractor must be eguipped with ROPS and seat belt that will provide greater safety and installation of backhoe subframe 95HD GENERAL DATA A Digging Depth two foot flat bottom 114 Reach from center line of Swing Pivot 153 Loading Height bucket at 60 96 Load Reach 43 Maximum Leveling Angle 11 57 OWINGV TC LUE Date ko enun W b an th dus Transport Height maximum 100 Transport Overhang 565 Bucket Rotation 185 Stabilizer Spread down position lt 117 Ao v ZO iMOOUW Stabilizer Spread up position lt 67 Shipping Weight less bucket 1818 Ibs Bucket Digging Force 5872 Ibs Dipperstick Digging Force lt 3800 Ibs Operating Pressure 1 2 2500 PSI NOTE See lllustrations of Specifications on Page 2 4 BUCKET DATA BUCKET WIDTH SAE STRUCK CAPACITY SAE HEAPED CAPACITY SHIPPING WEIGHT 12 H D 1 80 cu ft 1 95 cu ft 159 Ibs 18 H D 2 70 cu ft 3 03 cu ft 192 Ibs 24 H D 3 60 cu ft 4 12 cu ft 226 lbs 36 Grave 4 40 cu ft 5 03 cu ft 279 lbs CYLINDER DATA CYLINDER PISTON DIA STROKE RETRACTED LENGTH EXTENDED LENGTH ROD DIA Boom 3 25 23 88 34 00 57 88
34. ed with an WARNING 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 Operator Protective Structure Do not modify or alter this Implement Do not permit anyone to WARNING modify or alter this Implement any of its components or any Implement function BEFORE leaving the Power Unit seat always engage the brake and or set the Power Unit transmission in parking gear disengage the auxiliary hydraulics stop the engine remove the key and wait for all moving parts to stop Place the Power Unit shift lever into a low range or parking gear to prevent the tractor from rolling Never dismount a Power Unit that is moving or while the engine is running Operate the Power Unit controls from the operator seat only F3788 7 04 Safety Section 1 3 2004 Alamo Group Inc SAFETY DANGER Never allow children to operate or ride on the Power Unit or Implement SAFETY DANGER Do not mount the Power Unit while the Power Unit is moving Mount the Power Unit only when the Power Unit and all moving parts are completely stopped Start the Power Unit only when properly seated in the Power Unit seat Starting a Power Unit in gear can result in injury or death Read the Power Unit operator s manual for proper starting instructions Start only from seat in park or neutral Starting in
35. elt while the tractor is moving and 4 Ensure that each employee tightens the Seatbelt sufficiently to confine the employee to the protected area provided by the ROPS REQUIRED OF THE OPERATOR 1 Securely fasten seatbelt if the tractor has a ROPS 2 Where possible avoid operating the tractor near ditches embankments and holes 3 Reduce speed when turning crossing slopes and on rough slick or muddy surfaces 4 Stay off slopes too steep for safe operation 5 Watch where you are going especially at row ends on roads and around trees 6 Do not permit others to ride 7 Operate the tractor smoothly no jerky turns starts or stops 8 Hitch only to the drawbar and hitch points recommended by the tractor manufacturer 9 When the tractor is stopped set brakes securely and use park lock if available M Keep children away from danger all day every day M Eguip tractors with rollover protection ROPS and keep all machinery guards in place M Please work drive play and live each day with care and concern for your safety and that of your family and fellow citizens 2004 Alamo Group Inc 45 RHINO 95HD SOM 7 04 P N F 3788 Printed U S A
36. essure oil streams from breaks in the line could penetrate the skin and cause tissue damage including gangrene If oil does penetrate the skin have the injury treated immediately by a physician knowledgeable and skilled in this procedure Transport only at safe speeds Serious accidents and injuries can result from operating this equipment at unsafe speeds Understand the Power Unit and Implement and how it handles before transporting on streets and highways Make sure the Power Unit steering and brakes are in good condition and operate properly Before transporting the Power Unit and Implement determine the safe transport speeds for you and the equipment Make sure you abide by the following rules 1 Test the Power Unit at a slow speed and increase the speed slowly Apply the Brakes smoothly to determine the stopping characteristics of the Power Unit and Implement As you increase the speed of the Power Unit the stopping distance increases Determine the maximum safe transport speed for you and 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 Power Unit and Implement from turning over Determine the maximum safe turning speed for you and this equipment before operating on roads or uneven ground Only transport the Power Unit and Implement at t
37. he employee in the proper and safe operation of the Tractor and Implement Reguire that the employee read and fully understand the Tractor and Implement Operator s manual 2 3 Permit only qualified and properly trained employees to operate the Tractor and Implement 4 Maintain the Tractor and Implement in a safe operational condition and maintain all shields and guards on the equipment Ensure the Tractor is equipped with a functional ROPS and seat belt and require that the employee operator securely fasten the safety belt and operate with the ROPS in the raised position at all times Forbid the employee operator to carry additional riders on the Tractor or Implement Provide the required tools to maintain the Tractor and Implement in a good safe working condition and provide the necessary support devices to secure the equipment safely while performing repairs and service Require that the employee operator stop digging if bystanders or passerbys come within 10 yards Child Labor Under 16 Years of Age Some regulations specify that no one under the age of 16 may operate power machinery It is your responsibility to know what these regulations are in your own area or situation Refer to U S Dept of Labor Employment Standard Administration Wage amp Home Division Child Labor Bulletin 102 F3788 7 04 Safety Section 1 12 2004 Alamo Group Inc INTRODUCTION SECTION Introduction Section 2 1 2004 Al
38. he speeds that you have determined are safe and which allow you to properly control the equipment Be aware of the operating conditions Do not operate the Power Unit with weak or faulty brakes When operating down a hill or on wet or rain slick roads the braking distance increases Use extreme care and reduce your speed When operating in traffic always use the Power Unit s flashing warning lights and reduce your speed Be aware of the traffic around you and watch out for the other guy Never attempt to lubricate adjust or remove material from the Implement while it is in motion or while Power Unit engine is running Make sure the Power Unit engine is off before working on the Implement Periodically inspect all moving parts for wear and replace when necessary with authorized service parts Look for loose fasteners worn or broken parts and leaky or loose fittings Make sure all pins have cotter pins and washers Serious injury may occur from not maintaining this machine in good working order Safety Section 1 5 2004 Alamo Group Inc ASE ELA SAFETY WARNING DANGER DANGER DANGER WARNING DANGER DANGER F3788 7 04 SAFETY Always read carefuly and comply fully with the manufacturers instructions when handling oil solvents cleansers and any other chemical agent Never run the Power Unit engine in a closed building or without adequate ventilation The exhaust fumes can be hazardous to your heal
39. ipment operators manual base for stabilizers unattended raise boom and E M LUE tha Sl 4 Do not modify or substitute any operators seat only off engine and remove key parts of backhoe mounting kit Keep all guards in place 44896 45970 5 44896 2 45970 A DANGER ADANGER CRUSHING CRUSHING HAZARD HAZARD 44897 4 44895 6 44897 TO PREVENT INSTABILITY RESULTING IN BODILY INJURY TO OPERATOR OR BYSTANDERS TO PREVENT BODILY INJURY Do not use backhoe without front loader attached Do not attach backhoe to tractors which have 3 PT Quick Attaching Coupler Backhoe may become unattached Backhoe digging forces can lift and from tractor causing serious personal injury turn tractor over For maximum LN stability set stabilizers to remove 45491 weight from rear tractor tires without lifting them off ground 1 888 258 0808 44907 OR CALL LOCAL UTILITY 17 45491 3 44907 14 48280 F3788 7 04 Safety Section 1 10 2004 Alamo Group Inc SAFETY ALSAVS CoM eU ny Y arr RU RIS di 16 35674 5 13 50851 F3788 7 04 2004 Alamo Group Inc Safety Section 1 SAFETY SAFETY FEDERAL LAWS AND REGULATIONS This section is intended to explain in br
40. kets Backhoe Boom Dipper Main Frame Stabilizer Legs Swing Bracket Subframe and Related Mounting Brackets provided they have not been subjected to abuse or mis use and have been properly maintained as noted NOTE properly maintained specifically includes but is not limited to A Regular lubrication B Using proper amounts of correct hydraulic fluid C Regular torque inspection of all fasteners 2 WARRANTY LIMITATIONS Warranty is ONE YEAR 12 months for hydraulic cylinders and seals pivot pins wear bushings hydraulic hoses buckets or other attachments wear or cutting edges and tooth bars After one year 12 months standard warranty these items are considered Wearing Perishable Parts and replacement is the users responsibility 45 RHINO TO THE OWNER OPERATOR DEALER To keep your implement running efficiently and safely read your manual thoroughly and follow 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 Provide Seatbelts that meet the requirements of this paragraph of this Standard and SAE J4C and 3 Ensure that each employee uses such Seatb
41. ks to avoid dangerous run away Whenever you see this symbol F3788 7 04 2004 Alamo Group Inc Watch for overhead wires Do not touch wires with any part of backhoe Never allow a person to work under a raised bucket Never lift a person with backhoe Do not use bucket as a battering ram Always lower bucket to ground when not digging Never leave tractor unattended with engine running TRANSPORTATION Do not drive tractor near the edge of a ditch or excavation Always use accessory lights when transporting on a road or highway to warn operators of other vehicles Check your local government regulations Be sure that slow moving vehicle emblem is visible to the rear ADJUSTMENTS AND INSPECTION Check pins and hardware that attach backhoe to tractor and all pivot pins for tightness several times daily Replace any parts which are bent broken or missing Do not oil grease or adjust backhoe while it is in motion Do not change any backhoe relief valve settings They are factory set for best backhoe performance and safety CAUTION Escaping hydraulic fluid under pressure can penetrate skin causing serious personal injury DO NOT use your hand to check for leaks Use a piece of cardboard or paper to search for leaks Stop engine and relieve pressure before connecting or disconnecting hydraulic lines Tighten all connections before starting engine or pressurizing lines If any fluid is injected into skin obtain
42. l groove is exposed on positioner end CAUTION Do not pull spool too far as this will allow seal in front groove to enter a spool groove Seal may be cut when spool is pushed back Lightly oil and insert remaining spool seal in bonnet end seal groove Verify seal fit by carefully running your finger around exposed edge of seal Seal should have a perfect ridge with no kinks or twists Return spool to center position with a twisting motion Reattach spool positioner Use loctite 242 blue thread locking compound on spool screw holding positioner parts to spool Be careful not to over torque this screw and twist it off Use 7ft Ib maximum torque Slide bonnet in place Replace bonnet screws Torque bonnet screws to 5 7 ft Lbs each valve section T Place valve assembly on a flat surface for reassembly REPLACING DAMAGED BACKUP RINGS Replace four O ring seals Seal Kit contains the Backup rings are installed at the factory using a special number of section seals required for one work ie I sizing tool section inlet cover Replace work sections on assembly studs in reverse order in which they were removed O ring counter bores with O rings in place should be to your right downstream side of section with inlet cover on your Cut diagonally through left backup ring at approximately NOTE Use care when sliding work sections on tie rods 30 degree angle to avoid dislodging O rings 7 When all work sections and ou
43. liminate leaks NOTE Apply sealant only to all tapered threads unless coupled with swivel adapters When using teflon tape wrap tape clockwise as viewed from end and wrap tape only twice Keep sealant away from first two threads of tapered end to prevent contamination of hydraulic fluid Do not use sealant on o ring or flare adapter threads Hoses on backhoe are very severely worked and will fail in time Examine them regularly and replace any that show signs of failure Pay careful attention to routing of hoses so they can move freely without kinking and cannot be pinched or cut by any part of backhoe AUXILIARY PTO PUMP HYDRAULIC SYSTEM Maintain reservoir fluid level at 2 inchs below tank top when bucket is extended to full reach bucket rolled back for loading and resting on the ground and stabilizers fully raised If reservoir is over filled fluid may be forced out of breather cap Fill reservoir with 10W or 20W hydraulic oil with SAE J183 M2C33F classification Dextron 2 ATF fluid and 10W engine oil with API SD classification are also acceptable Change oil and filter every 200 hours or more often if necessary Maintenance Section 5 3 JONVNALNIVWN MAINTENANCE Spring Pin BUCKET TOOTH POINTS Bucket tooth points are self sharpening and will reguire little attention However points can be replaced when they become badly worn or broken If a tooth shank breaks off becoming lost or damaged so
44. n of applicability of the warranty by Manufacturer The choice of remedy shall belong to Manufacturer 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 SET FORTH HEREIN AND IMPLIED WARRANTIES WITH RESPECT TO THE GOODS INCLUDING BUT NOT LIMITED TO MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3 02 MANUFACTURER MAKES NO WARRANTY AS TO THE DESIGN CAPABILITY CAPACITY OR SUITABILITY FOR USE OF THE GOODS 3 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 INCLUDING BUT NOT LIMITED TO ANY INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES RESULTING FROM THE USE OR OPERATION OF THE GOODS OR ANY BREACH OF THIS WARRANTY NOT WITHSTANDING THE ABOVE LIMITATIONS AND WARRANTIES MANUFACTURERS LIABILITY HEREUNDER FOR DAMAGES INCURRED BY PURCHASER OR OTHERS SHALL NOT EXCEED THE PRICE OF THE GOODS NO ACTION ARISING OUT OF ANY CLAIMED BREACH OF THIS WARRANTY OR TRANSACTIONS UNDER THIS WARRANTY MAY BE BROUGHT MORE THAN
45. negligence alteration modification or accident damaged due to lack of maintenance or use of wrong fuel oil or lubricants or which has served its normal life This limited warranty does not apply to any part of any internal combustion engine or expendable items such as blades shields guards or pneumatic tires except as specifically found in your Operator s Manual 1 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 2 REMEDIES AND PROCEDURES 2 01 This limited warranty is not effective unless the Purchaser returns the Registration and Warranty Form to Manufacturer within 30 days of purchase 2 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 based Purchaser is responsible for returning the goods in question to the Dealer It 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 a Repair or replace the defective goods or part s or b Reimburse Purchaser for the cost of the part s and reasonable labor charges as determined by Manufacturer if Purchaser paid for the repair and or replacement prior to the final determinatio
46. oad terms the concept and effect of federal laws and regulations concerning emplover and emplovee eguipment operators This section is not intended as a legal interpretation of the law and should not be considered as such Employer Employee Operator Regulations U S Public Law 91 596 The Williams Steiger Occupational and Health Act of 1970 OSHA This Act Seeks to assure so far as possible every working man and woman in the nation safe and healthful working conditions and to preserve our human resources DUTIES Sec 5 a Each employer 1 shall furnish to each of his employees employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm to his employees 2 shall comply with occupational safety and health standards promulgated under this Act b Each employee shall comply with occupational safety and health standards and all rules regulations and orders issued pursuant to this Act which are applicable to his own actions and conduct OSHA Regulations OSHA regulations state in part At the time of initial assignment and at least annually thereafter the employer shall instruct every employee in the safe operation and servicing of all eguipment 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 t
47. operation Normally two or more movements will not be egual or even simultaneous but as pressure within the cylinders and resistance of an operating member of backhoe lessens it will begin to move It is balancing the force of one member against another NOTE Actuating bucket is the key to powerful digging Operating the dipperstick and bucket controls simultaneously will insure a full bucket and prevent wasted motion and time Operation Section 4 3 NOILVHIdO OPERATION OPERATION MOUNTING AND DISMOUNTING BUCKETS PLACING THE STABILIZERS Mount buckets using pins 1 8 2 cap screws 3 Set the stabilizers to remove weight from the rear wheels lock nuts 4 provided Rear wheels are to remain touching the ground as this provides for the widest stabilizer stance and lowest center NOTE Pin 1 with grease fitting is bucket dipper pivot gravity pin Raising the wheels off the ground will not only reduce stability and digging depth but impair performance and impose unnecessary stress on the backhoe and tractor Decreased Digging Depth Stabilizers Improperly Positioned SEAT ADJUSTMENT Adjust the seat up or down by removing the 1 2 cap screw 7 and lock nut 15 which secures seat bracket to seat post and raising or lowering the seat Adjust seat forward or rearward by repositioning seat latch 12 located under mounting plate 2 F3788 7 04 Operation Section 4 4 2004 Alamo Group Inc OP
48. r safety durability and opera tor convenience To insure satisfactory performance com plete the following check list and make all necessary adjustments before initial operation All safety shields must be in place Safety and operation decals must be in place undamaged and clean Hydraulic hookup must be correct and all connections tight Tractor Power Beyond Quick Sump Port Port Coupler Loader Tractor pou Valve Backhoe PRE 25 dra x pe 0 Manifold 10 o a7 i V ET E V AA ANNE GA Coupler General Hydraulic Circuit Disables 3 pt Hitch All bolts and pins which attach backhoe to tractor must be in place Check tightness of bolts and check that all pins are retained Tractor must be in proper operating condition Lubricate backhoe see MAINTENANCE SECTION Controls must operate properly See OPERATION SECTION Cycle all cylinders slowly to purge air from hydraulic system Hydraulic system oil level must be correct Reservoir level should be 2 from top of tank OPERATING DIRECTIONS The terms right left front and back shall be from the position of the operator when seated in the operating position on the backhoe ENGINE SPEED Speed at which backhoe operates is dependent on tractor PTO RPM Use a moderate engine speed to start and increase it as your experience permits 2004 Alamo Group Inc CONTROLS The backhoe
49. rts for wear or damage and replace if necessary F3788 7 04 2004 Alamo Group Inc NOTE Illustration used for parts identification only Port locations cylinder rod and base ends will vary on each cylinder Steel Ring Swing Cylinders Only CYLINDER ASSEMBLY NOTE Be careful not to damage seals and o rings on edges or holes in cylinder tube Inspect and remove burrs and sharp edges if necessary before reassembly 1 Place rod seal 3 into groove inside cylinder head NOTE Lips of seal 3 must face inward and seal must be firmly seated in groove Figure 5B Foreasierinstallation place seal 3 in 120 F water to warm seal 2 Install wiper seal 2 with lip of seal facing out and flush with top of cylinder head Install wear ring 7 inside other end of head Place o ring 5 with back up washer 4 in groove on outside of head Back up washer must be on rod side Remove sharp edges on outer edge of threaded end of shaft 1 Lubricate wiper seal 2 and rod seal 3 in head and carefully slide head onto shaft Place o ring 9 piston seal 10 and piston wear ring 11 in grooves on outside of piston NOTE For easier installation place piston seal 10 in 120 F water to warm seal 6 Slide piston onto threaded end of shaft with wear ring twoard base of cylinder and install lock nut 12 Swing and stabilizer cylinders tighten lock nut 12 to 300 ft Ibs Lift dipperstickand bucket cylinders tigh
50. ten lock nut 12 to 480 ft Ibs Lubricate piston wear ring 11 and piston seal 10 on piston o ring 5 and backup washer 4 on head and inside of cylinder tube 13 then carefully slide piston and head into cylinder tube Insert wire retaining ring 14 into slot in cylinder tube 13 Apply pressure to wire ring to thread it into groove while turning cylinder head Maintenance Section 5 2 MAINTENANCE CAUTION To avoid possible injury observe the following safety rules when servicing backhoe Do not oil grease or adjust backhoe while it is in motion Do not change any backhoe relief valve settings Relief valve settings are factory set for best backhoe performance and safety Escaping fluid under pressure can have sufficient force to penetrate the skin and cause serious injury Be sure to relieve all pressure before disconnecting lines Be sure all connections are tight and that lines pipes and hoses are not damaged before applying pressure to the system Fluid escaping from a very small hole can be almost invisible Use a piece of cardboard or wood not your hands to search for suspected leaks See a doctor at once if injured by escaping fluid Serious infection or reaction can develop if proper medical treatment is not administered immediately Protect your eyes wear safety glasses Guard against injury when driving connecting pins or performing any repair in which particles can chip from work
51. th KEEP AWAY FROM ROTATING ELEMENTS to prevent entanglement and possible serious injury or death Never allow children to play on or around Power Unit or Implement Children can slip or fall off the Equipment and be injured or killed Children can cause the Implement to shift or fall crushing themselves or others Do not exceed the rated PTO speed for the Implement Excessive PTO speeds can cause Implement driveline failures resulting in serious injury NEVER use drugs or alcohol immediately before or while operating the Power Unit 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 Power Unit 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 Equipment safely NEVER knowingly allow anyone to operate this equipment when their alertness or coordination is impaired Serious injury or death to the operator or others could result if the operator is under the influence of drugs or alcohol Operate the Power Unit and or Implement controls only while properly seated in the operator s seat with the seat belt securely fastened around you Inadvertent movement of the Power Unit or Implement may cause serious injury or death Safety Section 1 6 2004 Alamo Group In
52. tlet cover are positioned on the assembly studs replace lock washers and nuts Support alve on valve mounting brackets ltem 24 p 22 Tap all sections downward with rubber mallot to align sections evenly against rods Replace spool clevis pin and handle assembly Do not replace backup rings offered in seal kits unless original ring has been damaged JONVNALNIVWN 1 If backup ring must be replaced cut replacement backup ring as shown 2 Slip backup ring over cartridge and into place CAUTION Make only one diagonal cut in backup ring Do not cut backup ring into two Torque stud nuts evenly 15ft Lbs pieces F3788 7 04 Maintenance Section 5 7 2004 Alamo Group Inc MAINTENANCE MAINTENANCE INSTALLING SC SPOOL POSITIONER KIT Item 2 4 Clean threads with Loctite Primer and install using AND FLOAT POSITIONER KIT Item 5 Loctite 262 for handle ends and Loctite 242 for 1 Remove socket head cap screws and bonnet from positioner ends ion 1 SPOD f 1 5 Replace spool in section Refer to instructions in 2 Remove spool from section Follow instructions in Spool Seal Installation section Spool Seal Removal section except do not remove seals 3 Replace parts in spool positioner kit RZ Relief R w Function NOTE Spool screw on end of spool is loctited in place Do type not replace unless it is damaged If spool screw must be ain Protect all replaced refer
53. tor s manual before When operating backhoe keep using backhoe Follow all others away from stabilizers safety precautions and maximum bucket swing areas Replacement manuals available from your local Keep others off backhoe and dealer tractor while operating TO PREVENT BODILY INJURY backhoe Inspect backhoe daily for 1 Swing lock pin must be in center loosened bent or broken Consult local utilities before 5 5 digging Know location of locked position when detaching pans underground cables and Before transporting attach ipeli Watch f h backhoe from tractor slow moving vehicle sign and EP rds atch for overhead engage boom and swing locks When attaching or detaching Do not repair or service A minimum 25 of tractor and backhoe unless it is mounted backhoe to from tractor always welant must bo ono n Hacer and securely stand on the tractor side of the tractor front wheels with supported Loss of oil or stabilizer and outside of rear backhoe in transport position removal of parts could cause backhoe to collapse wheel Enter and exit operators platform only from between Do not use this unit for lifting Never operate unless backhoe stabilizers and tires conveying or providing a work manufacturer s mounting kit has Avoid digging in area of Pztiorm for personnel been installed as instructed in stabilizer pads to keep solid Before leaving equ
54. ury or property damage WARNING Hazards or unsafe practices which could result in minor personal injury or death F3788 7 04 Safety Section 1 7 2004 Alamo Group Inc ALSAVS SAFETY SAFETY LEFT SIDE REAR VIEW TOP VIEW LEFT STABILIZER TOP VIEW RIGHT STABILIZER F3788 7 04 Safety Section 1 8 2004 Alamo Group Inc TOP VIEW COVER PLATE SAFETY ASE ELA ITEM PART NO TYPE DESCRIPTION 50850 45970 44907 44895 44896 44897 44898 44899 44900 44901 44908 44909 50851 48280 49696 35674 5 45491 NAME RHINO with Stripe WARNING To Prevent Bodily Injury WARNING To Prevent Instability DANGER Crushing Hazard WARNING To Prevent Bodily Injury DANGER Crushing Hazard OPERATION Boom Operation OPERATION Dipperstick 8 Bucket Operation OPERATION Left Side Stabilizer Position OPERATION Right Side Stabilizer Position OPERATION Boom Lock OPERATION Swing Lock Model 95HD Universal One Call Rhino STRIPE White 13 WARNING To Prevent Bodily Injury O1 ARON gt 2 2 1 2 1 2 1 1 1 1 2 1 2 1 1 2 2 F3788 7 04 Safety Section 1 9 2004 Alamo Group Inc SAFETY SAFETY NOTE Safety decal location is listed below each decal Replace decal if damaged or illegible Replacement decals are available from your dealer TO PREVENT BODILY INJURY 1 Read opera
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