Alamo 7191852C Operator'S Manual Download

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OPERATION

PA91 02/08

Operation Section 4-44

OPERA

ION

11. TROUBLESHOOTING GUIDE

TROUBLE

POSSIBLE CAUSE

POSSIBLE REMEDY

Hydraulic Cylinder

Hydraulic level low.

Check hydraulic fluid level.

Not Working

(See sight gauge on tank)

Pump not functioning

Attempt to use another cylinder or

properly.

pressure gauge.

Cylinder not functioning

Check line for stoppage.

properly.
Cylinder has a scored wall,

Replace the cylinder.

allow oil to flow around
piston.

Hydraulic Motor

Kinks or pinched points

Check line for kinks or

Not Working

on the line.

pinched places.

Motor “bogging down”

Recheck relief valve setting

under load.

on the cutter valve - 2500 PSI.

Hydraulic System Failure

Malfunction in hydraulic

Check entire system before valve is

valve section.

replaced; may require replacement
of hydraulic valve section, but not of
the valve bank. Service relief valves
and detents individually.

Summary of Contents for 7191852C

Page 1: ...0 372 3551 Email parts alamo industrial com REAR MOUNT BOOM MOWER 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 PA91 ...

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: ...own 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 yo...

Page 4: ...EMA 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: ...3 1 TRACTOR SELECTION 3 2 Horsepower and Weight Requirements 3 2 Linkage Requirements 3 2 Linkage Isolation 3 2 Check Chains Stabilizers 3 2 Tractor Relief Valve 3 2 Tractor Hydraulic Flow Rates 3 2 P T O Shaft 3 2 Draft Control 3 2 TRACTOR PREPARATION 3 3 Fitting Operator Guard 3 3 Ballast Weight 3 4 JOHN DEERE CONVERSION KIT 81 30 059 3 4 DELIVERY 3 5 ATTACHMENT TO TRACTOR 3 5 Si Model 3 5 Ti Mo...

Page 6: ... 4 22 Working Close In and High 4 22 Breakaway 4 22 Wire Trap 4 22 Hedge Cutting Procedure 4 23 Lift Float Kit Optional 4 25 Flail Types 4 26 Machine Configuration 4 26 DRIVING THE TRACTOR AND IMPLEMENT 4 27 Starting the Tractor 4 28 Brake and Differential Lock Setting 4 29 Transport Position 4 30 Driving the Tractor and Boom 4 31 OPERATING THE TRACTOR AND IMPLEMENT 4 32 OPERATING INSTRUCTIONS 4 3...

Page 7: ... Non Return Valve 5 6 CABLES 5 6 HYDRAULIC RAMS 5 7 Ram Seal Replacement General Information 5 7 Angling Arm 5 7 Reach Ram 5 7 ROTOR CONTROL VALVE RELIEF VALVE 5 8 Relief Valve 5 8 Replacing Worn or Damaged O Rings 5 8 P T O GEARBOX 5 8 HYDRAULIC MOTOR 5 8 Replacing Shaft Seals 5 9 HYDRAULIC HOSES 5 9 Hose Replacement 5 9 Hose Warranty 5 9 ...

Page 8: ......

Page 9: ...Safety Section 1 1 2009 Alamo Group Inc SAFETY SECTION ...

Page 10: ...re 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 av...

Page 11: ...wl under a raised Implement supported solely by the Tractor 3 Point hitch 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 S3PT 19 Never operate the Tractor or Implement until you have read and com pletely understand this Manual the Tr...

Page 12: ... around Tractor 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 SG 25 NEVER use drugs or alcohol immediately before or while operating the Tractor and Implement Drugs and alcohol will affect an operator s alertness and coordination and therefore affect the operator s ability to operate...

Page 13: ...the engine or muffler Use gloves and eye protection when servicing hot components Contact with a hot surface or fluid can cause serious injury from burns or scalding SG 38 Do not put hands or feet under mower decks Blade Contact can result in serious injury or even death Stay away until all motion has stopped and the decks are securely blocked up SGM 09 Always keep a careful lookout and use extrem...

Page 14: ...tor engine Inspect the Mower to determine the source of the vibration If Mower blades are missing or damaged replace them immediately Do not operate the mower until the blades have been replaced and the Mower operates smoothly Operating the Mower with excessive vibration can result in component failure and broken objects to be thrown outward at very high velocities To reduce the possibility of pro...

Page 15: ...ructions SG 13 Do not operate this Equipment with hydraulic oil or fuel leaking Oil and fuel are explosive and their presence could present a hazard Do not check for leaks with your hand High pressure oil streams from breaks in the line could penetrate the skin and cause tissue damage including gangrene To check for a hose leak SHUT the unit ENGINE OFF and remove all hydraulic pressure Wear oil im...

Page 16: ...lity in daylight or with adequate artificial lighting Never mow in darkness or foggy conditions where you cannot clearly see at least 100 yards 90 m in front and to the sides of the tractor and mower Make sure that you can clearly see and identify passersby steep slopes ditches drop offs overhead obstructions power lines debris and foreign objects If you are unable to clearly see these type of ite...

Page 17: ...t in serious injury or even death Inspect the cutting area for such objects before mowing Remove any like object from the site Never allow the cutting blades to contact such items SGM 06 Mow at the speed that you can safely operate and control the tractor and mower The correct mowing speed depends on terrain condition and grass type density and height of cut Normal ground speed range is from 2 to ...

Page 18: ...see Mower Standard Equipment and Specifications DO NOT use this mower to cut vegetation above the Mower s rated capacity or to cut any type of non vegetative material Only operate this Mower on a properly sized and equipped Tractor Operating this Mower in an application for which it is not designed and or operating the Mower with the wrong size Tractor can cause Mower component damage and equipmen...

Page 19: ...ill also reduce power required to mow reduce wear and tear on the Mower drivetrain spread cut material better reduce streaking and make the final cut more uniform SRM 01 Do not turn so sharp or lift mower so high to produce a severe knocking of the Driveline which will cause accelerated wear and breakage of drive train components and could result in possible injury from the separated Driveline sec...

Page 20: ...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 driveline can cause personal injury...

Page 21: ...after you determine that the equipment can be operated at a higher speed Use extreme care and reduce your speed when turning sharply to prevent the tractor and implement from turning over Determine the maximum turning speed for you and this equipment before operating on roads or uneven ground Only transport the Tractor and Implement at the speeds which allow you to properly control the equipment B...

Page 22: ... and turn off the tractor engine Push and pull the Remote Cylinder lever in and out several times prior to starting any maintenance or repair work S3PT 09 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 ...

Page 23: ...s when handling sharp objects such as blades knives and other cutting edges Be alert to worn component surfaces which have sharp edges Sharp surfaces can inflict severe laceration injuries if proper hand protection is not worn SG 37 All Safety Shields Guards and Safety devices including but not lim ited to the Deflectors Chain Guards Steel Guards Gearbox Shields PTO integral shields and Retractabl...

Page 24: ... the property you will be working on Take time to make yourself aware of any area underground lines or cables Contact with buried lines or cable could result in serious injury or death STL 1 In wet conditions where there is a likelihood of material collecting on the Implement make certain that this material is removed before traveling on public roadways STL 7 In addition to the design and configur...

Page 25: ...afe operation Damage to the decals may occur while in shipping use or reconditioning Alamo Industrial 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 Alamo Industrial dealer to order replacement decals ...

Page 26: ... Universal Hyd Oil 20 1290030 1 INSTRUCT EP90 Oil in Speed Increaser 21 00725746 1 PELIGRO Spanish Warning 22 D103 1 WARNING 540 PTO 23 03200347 1 REFLECT SMV Sign 24 1458392 2 REFLECT Red 25 1458393 2 REFLECT Amber 26 00773723 1 PELIGRO Rotating Driveline Translation 27 02976881 1 INSTRUCT Mowing Safety Tips 28 001651 2 LOGO NAME Alamo Industrial 29 001650 1 LOGO Alamo Industrial 30 NFS 1 SER PLT...

Page 27: ... 19 2009 Alamo Group Inc SAFETY Decal Description Danger Mult Hazard Warning Failing to follow these Safety Messages and Operating Instructions can cause serious bodily injury or even death to operator and others in the area P N 002369 ...

Page 28: ...m Unit P N 02958241 WARNING Failure to INSPECT and REPAIR or REPLACE Hoses may allow worn Hoses to rupture SUDDENLY and VIOLENTLY with resulting serious BODILY INJURY from SCALDING or FIRE with resulting BURN INJURY or DEATH P N 02965262 IMPORTANT Use only Genuine Alamo Industrial replacement parts P N 02925100 WARNING Pinch Points P N 02962764 ...

Page 29: ...ng the mower attachment operate tractor at the engine speed which will deliver 540 PTO RPM on Tachometer Over speeding the engine and pump when operating the mower will overheat and rapidly ruin the oil which will decrease the life of the hydraulic components P N 02965093 Operator s Manual with repair parts and warranty was attached to this implement during final inspection P N 00763977 INSTRUCTIO...

Page 30: ...s bodily injury to the operator and passerby Do Not let rotating blades contact solid objects like rocks posts curbs or guard rails Operate only if all Guards Deflectors are in place and in good condition Do Not operate with Mower or Wing raised off the ground Stop mowing if Passersby enter the area of thrown objects See Operator s Manual Stay away from rotating blades Keep hands and feet away fro...

Page 31: ...d and replaced when damaged so that machine stays in safe condition P N 00756007 DANGER Keep Away Rotating Blades P N 00756485 DANGER Make certain that drivelines are correct length and are securely attached P N 00756494 DANGER Multi Hazard Boom Take precautions while transporting and operating Boom Unit P N 02958241 ...

Page 32: ...ructions to properly lubricate and check mower for potential problems prior to operation P N 000108 INFORMATION Attention Service Hydraulic System with Universal Tractor Hydraulic Oil Alamo Group part Number 02966307 02966305 Peligro Translation If you do not know how to read English please find someone who knows how to read English P N 00725746 ...

Page 33: ...ly Injury Use 540RPM PTO Speed Only P N D103 Slow Moving Vehicle Decal Keep SMV reflector clean and visible DO NOT transport or operate without the SMV P N 03200347 Red Reflector Keep reflectors clean and visible P N 1458392 Amber Reflector Keep reflectors clean and visible P N 1458393 ...

Page 34: ...Y PELIGRO Spanish Translation for Driveline Safety P N 00773723 ALAMO INDUSTRIAL LOGO P N 001651 ALAMO NAME LOGO P N 001650 Read Operator s Manual The operator s manual is located inside this canister If the manual is missing order one from your dealer P N 00776031 ...

Page 35: ...shall instruct every employee in the safe 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...

Page 36: ......

Page 37: ...Introduction Section 2 1 2009 Alamo Group Inc INTRODUCTION SECTION ...

Page 38: ... Guide helps diagnose difficulties with mower 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 owner operator d...

Page 39: ...cturer strongly recommends the use of Chain Guards Deflectors or Solid Skirts for Agricultural 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 At least 20 of the tractor s total weight must be on the front tires with the Mower lifted to provide adequate traction for safe steering under goo...

Page 40: ...ill out the Warranty Card in full Be sure to answer all questions including the Serial Number of the Mower Mail promptly using the return envelope included with the Operator s Manual NOTE Warranties are honored only if completed Owner Registration and Warranty forms are received by Alamo Group within thirty days of delivery of the mower 3 Record the Mower Model and Serial Numbers on the Warranty p...

Page 41: ...Assembly Section 3 1 2009 Alamo Group Inc ASSEMBLY SECTION ...

Page 42: ...ired on the fully independent model of the PA91 and the tractors hydraulic controls should be neutralized Check Chains Stabilizers To hold the machine firmly in position check chains or stabilizer bars must be fitted It is dangerous to operate the machine without these elements Tractor Relief Valve The main relief valve in the hedger hydraulic control unit is set at 1800 PSI 125 Bar Therefore if o...

Page 43: ...olycarbonate transparent glazing must be fitted to the frame to provide further operator protection This material must also be used when the cab does not have safety glass installed The operator guard kit supplied is suitable for all standard applications i e rear mounted on a conventional tractor For other applications additional mesh guarding may need to be constructed to give adequate operator ...

Page 44: ...n tractors of this manufacture However it is practicable for the semi independent model of the PA91 to be used with these Tractors subject to certain modifications There are the following two alternatives 1 A flow limiting valve manufactured by John Deere is available to provide an open center external supply sufficient for PA91 requirements For further advice consult your John Deere dealer 2 Comp...

Page 45: ...bility of the flail head slipping sideways and the arm collapsing on the fitter as the head is pried sideways a loop of strong rope or wire with sufficient slack to allow the required flail head movement should connect the frame and dipper This will then act as a stopper in the event of this happening Leave in position until attachment is complete 2 Swing up the linkage plate and fix securely in p...

Page 46: ...ion 2 With PTO engaged on Ti model or with tractor external services activated on Si model select Lift Down This will level the frame and enable the lower yoke pins to be fitted Select the hole which will as near as possible position the PTO shaft horizontally in line 3 Lower the quadrant lever so that the machines weight is taken by the yoke 4 Adjust the top link to bring the pillar upright Remov...

Page 47: ...hment only for subsequent attachment paras marked do not apply If it is required to mount the machine on a different tractor bear in mind that the engagement of the PTO shaft will alter A safe minimum engagement between the two halves of the shaft is 6 This dimension must be checked before work is commenced ...

Page 48: ...the cab observing the precaution that no structural member of the safety frame should be drilled For this purpose the mounting stalk can be bent round in a U shape The control unit itself is bolted to an angled mounting bracket in either a transverse or longitudinal position thus giving a variety of mounting position which in conjunction with flexibility of the mounting pillar will enable a satisf...

Page 49: ...until oil is in visible level with the lip of the filler plub aperture Do not attempt to fill by removing the breather as the depth of tapped thread in the casing is insufficient to allow repeated loosening and tightening of the breather plug at this point The gearbox capacity is 700 milliliters 1 1 4 pint use EP 90 gear oil Supplier Cold or Temperature Climate Hot Climate Castrol Agricastrol hydr...

Page 50: ...service supply on the hydraulic controls Allow the tractor to run for several minutes before attempting to operate any of the machine control levers 2 While operating move the levers through their complete range ensuring that all movements are functioning correctly 3 Check the tractor rear axle oil level and top up if necessary 4 Place the flail head at a safe attitude and bring tractor engine rev...

Page 51: ...stowed with their ends covered and clear of the ground 7 Raise the machine on the tractor s linkage to take the weight off the yoke and remove the lower yoke bolts 8 Lower the tractor draft links and place machine firmly on the ground 9 Remove draft links and top link from the machine drive tractor away and remove yoke Blank off the end of the return hose with plug or small plastic bag if a self s...

Page 52: ... grade of bolts and the proper torque except when specific torque values are assigned in manual text RECOMMENDED TORQUE IN FOOT POUNDS UNLESS OTHERWISE STATED IN THE MANUAL NOTE These values apply to fasteners as received from supplier dry or when lubricated with normal engine oil They do not apply if special graphitized or molydisulphide greases or other extreme pressure lubricants are used This ...

Page 53: ...Operation Section 4 1 2009 Alamo Group Inc OPERATION SECTION ...

Page 54: ...specific to any model Some pictures may show shields removed for picture clarity NEVER operate implement without all shields in place and in good operational condition The operator must be familiar with the mower and tractor and all associated safety practices before operating the mower and tractor Proper operation of the mower as detailed in this manual will help ensure years of safe and satisfac...

Page 55: ...reakaway 3 Spool Valve with Work Port Reliefs 1 1 2 King Post Inner Boom Arm Tubing 4 x 4 x 3 16 Outer Boom Arm Tubing 4 x 4 x 1 4 Boom Reach Up 12 10 Out 12 8 Do n 7 10 Safety Cage ROPS Units Only Weight Approx 1 900 lbs excluding cutting head Head Specifications 39 Flail Head with 20 Drop Forged Double Edged Knives 11 Gauge Top Deck with 1 4 Side Skirts 3 1 16 x 5 16 Wall Cutter Shaft with 2 3 1...

Page 56: ...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 Protection Close Fitting Clothing Respirator or Filter Mask depends on op...

Page 57: ...specially 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 roll over protective system ROPS Al...

Page 58: ...sersby are with in 100 yards SBM 9 3 3 Tractor Lighting and SMV Emblem If the tractor will be operated near or traveled on a public roadway it must be equipped with proper warning lighting and a Slow Moving Vehicle SMV emblem which are clearly visible from the rear of the unit Most tractor s have different settings for operating and transporting lighting Refer to the tractor operator s manual for ...

Page 59: ...re tested and meet the ballast requirement before shipment further testing is not required unless the unit is operated in a manner other than what is considered standard operating conditions For additional information on properly ballasting the tractor refer to Alamo Industrial Tractor and Mower Stability Pamphlet P N 02959010 If the unit is operated on slopes greater than 5 additional counterweig...

Page 60: ... Hitch width inside lug to lug 33 5 8 Height from bottom hitch pin to top pin 18 Height from bottom hitch pin to top pin 19 Lower pin diameter 7 8 Lower pin diameter 1 1 18 Upper pin diameter 3 4 Upper pin diameter 1 Lynch pin diameter 15 32 Lynch pin diameter 15 32 3 8 Hydraulics The PA91 is available with either a Semi or Totally Independent hydraulic system complete with rotor rotation control ...

Page 61: ...the operating speed of the Implement resulting in excessive vibration thrown objects and blade and implement 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 driveline does not match the Tractor P...

Page 62: ... 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 motion to completely stop Never leave the seat until the tractor its engine and all moving parts have come to a complete stop Use hand rails and steps when exitin...

Page 63: ...l Make sure all guards shields and other safety devices are securely in place The parking brake is on The tractor transmission levers are in park or neutral The boom operating controls are in the neutral and off position The PTO control lever is disengaged The hydraulic remote control levers are in the neutral position Refer to the tractor owner s manual for tractor starting procedures Only start ...

Page 64: ...ting Mower Head Hydraulics Attach the hoses 4 from the articulating arm to the hydraulic motor ports 5 on the head Use recommended hose end torque values in chart below Refer to Figures Ops 1206 Ops 1207 Mnt B 0004 Use extreme caution when connecting the mower to the tractor The mower should be securely resting at ground level or on blocks Place a block in front of and behind the tires to prevent ...

Page 65: ...eel Guards Gearbox Shields PTO integral shields and Retractable Door Shields should be used and maintained in good working condition All safety devices should be inspected carefully at least daily for missing or broken components Missing broken or worn items must be replaced at once to reduce the possibility of injury or death from thrown objects entanglement or blade contact SBM 18 Never work und...

Page 66: ...e 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 SG 21 6 1 Tractor Pre Operation Inspection Service Refer to the tractor operator s manual to ensure a complete pre operation inspection and scheduled service is performed according to the manufacturers recommen...

Page 67: ...ould be inspected carefully at least daily for missing or broken components Missing broken or worn items must be replaced at once to reduce the possibility of injury or death from thrown objects entanglement or blade contact SFL 5 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 WI...

Page 68: ...on bushings at boom pivot points Ensure each hydraulic cylinder is installed and retained correctly Ensure the proper size pins are used to retain the cylinders in place and are secured properly Ensure that all joints are lubricated See Maintenance Section for Lubrication Chart OPS B 022_E Never attempt to lubricate adjust or remove material from the Implement while it is in motion or while tracto...

Page 69: ...and use Cardboard to check for evidence of oil leaks If you suspect a leak REMOVE the HOSE and have it tested at a Dealer If oil does penetrate the skin have the injury treated immediately by a physician knowledgeable and skilled in this procedure SG 15 HYDRAULIC PUMP OIL RESERVOIR Check oil reservoir level and oil condition Add specific type oil if low Change hydraulic oil filter and hydraulic oi...

Page 70: ...ntact with hot surfaces including hydraulic oil tanks pumps motors valves and hose connections Relieve hydraulic pressure before performing maintenance or repairs Use gloves and eye protection when servicing hot components Contact with a hot surface or fluid can cause serious injury from burns or scalding SG 34 FLAIL HEAD INSPECTION Inspect blades and blade bolts for looseness and excessive wear R...

Page 71: ...cals are in place and legible The Mounting frame bolts are in place and tight The Boom connection bolts pins are tight There are no cracks in boom The Hydraulic Cylinders pins are tight The Hydraulic Pump hose connections are tight The Hydraulic Valve hose connections are tight The Hydraulic Valve controls function properly There are no leaking or damaged hoses The Hydraulic Oil level is full Ther...

Page 72: ...V 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 hitch is in good condition The dr...

Page 73: ...d to discard the lever gate it is there to prevent sudden inadvertent changes of rotation which could cause damage to the machine 7 2 Engaging Drive Fully Independent Model Ensure that the rotor control lever is moved to the STOP position before engaging the PTO shaft Allow the oil to circulate for a minute or so before operating the armhead levers Position the flail head in a safe position increa...

Page 74: ...ainst the stop before the required head position is achieved If this occurs select Reach out this will cause the main arm to lift off the stop allowing the Lift up motion to be continued on service selection By the use of this technique it is possible to position the flail head in the close in position from ground level to full height 7 7 Breakaway The pivoted arm is held rigid and in line by the ...

Page 75: ... cut but there will be a greater tendency for debris to be thrown Front Flap Kit Optional Extra To further reduce the possibility of debris being thrown out of the front of the hood a flap kit consisting of seven rubber flaps which are attached to the leading edge of front hood is available Optional Downward Cutting It is possible to reverse the rotation of the flail for downward cutting This chop...

Page 76: ...decide on the order of cutting Where it is difficult to determine the original hedge line because of overgrowth a recommended method is to start by siding up the hedge first if necessary making more than one pass A second cut should then be taken at an incline along the hedge top and again if there is prolific growth it may be necessary to make more than one pass until the hedge is reduced to the ...

Page 77: ...ap connection In work with the stop tap open the flail runs along the ground automatically lifting and riding over bumps Any shock loads are absorbed by the accumulator which is precharged with nitrogen to 600 PSI 41 Bar To obtain optimum working performance the lift control should be operated to take approximately fifty percent of the flail head weight off the flail roller This is important as wi...

Page 78: ... refer to hydraulic installation pages in the parts list for specific requirements It is stressed that conversion is a major rebuild and not an in field adjustment A workshop with overhead lifting tackle is required Before commencing drain the hydraulic system and empty the reservoir Important Points The pump gearbox assembly is horizontally mounted For left front and rear right builds it is mount...

Page 79: ... distance KEEP CLEAR OPS B 0005 Never operate the Tractor or Implement until you have read and completely understand this Manual the Tractor Operator s Manual and each of the Safety Messages found in the Manual or on the Tractor and Implement Learn how to stop the tractor engine suddenly in an emergency Never allow inexperienced or untrained personnel to operate the Tractor and Implement without s...

Page 80: ...gh the turn only after you determine that the equipment can be operated at a higher speed Use extreme care and reduce your speed when turning sharply to prevent the tractor and implement from turning over Determine the maximum turning speed for you and this equipment before operating on roads or uneven ground Only transport the Tractor and Implement at the speeds which allow you to properly contro...

Page 81: ...CTION 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 benefit and should not be used OPS U 0013 Be aware of the operating conditions Do not operate the Tractor with weak or faulty brakes When operating down a hill or on wet or rain slic...

Page 82: ...e main arm and locate in position through the retaining ped Secure with spring cotter For offroad transport where width is not critical it will be sufficient to fully fold the arms and engage the lock pin To revert to work mode the above procedures must be reversed OPS B 0053 Use extreme care when lowering or unfolding the implement s wings Make sure no bystanders are close by or underneath the wi...

Page 83: ...ith the implement the overall working length and width of the unit is increased Allow additional clearance for the unit when turning or when passing large obstructions To avoid overturns drive the tractor with care and at safe speeds especially when operating over rough ground crossing ditches or slopes and turning corners Use extreme caution when operating on steep slopes Keep the tractor in a lo...

Page 84: ...l the machine is clear This mower is designed with free swinging blades This feature reduces the amount of shock transmitted to other components Always make sure the blades can swing freely on the blade bar 9 OPERATING THE TRACTOR AND IMPLEMENT THE OPERATOR MUST COMPLETELY UNDERSTAND HOW TO OPERATE THE TRACTOR AND IMPLEMENT AND ALL CONTROLS BEFORE ATTEMPTING TO OPERATE The operator must read and u...

Page 85: ...annot clearly see at least 100 yards 90 m in front and to the sides of the tractor and mower Make sure that you can clearly see and identify passersby steep slopes ditches drop offs overhead obstructions power lines debris and foreign objects If you are unable to clearly see these type of items discontinue mowing SGM 1 Avoid mowing in reverse direction when possible Check to make sure there are no...

Page 86: ... 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 operation Always wear your seat belt securely fastened and only operate the tractor and mower with the ROPS in the raised position If the tractor or mower hits a tree stump rock or bump a sudden movement could throw you off of th...

Page 87: ...ris being removed and mowed again at desired final height This will also reduce power required to mow reduce wear and tear on the Mower drivetrain spread cut material better reduce streaking and make the final cut more uniform SRM 01 9 4 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 a...

Page 88: ...nd grass type density and height of cut Normal ground speed range is from 2 to 5 mph 3 8 kph 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 07 9 6 Operating the Mower Only operate the mower from the tractor operator s seat with the seatbelt securely fastened The tractor must ...

Page 89: ...by steep slopes ditches drop offs overhead obstructions power lines debris and foreign objects If you are unable to clearly see these type of items discontinue mowing SGM 1 Avoid mowing in reverse direction when possible Check to make sure there are no persons behind the mower and use extreme care when mowing in reverse Mow only at a slow ground speed where you can safely operate and control the t...

Page 90: ...surface place the transmission in park or neutral and apply the parking brake shut down the engine remove the key and wait for all motion to come to a complete stop before exiting the tractor OPS B 0011_F ON OFF Switch BEFORE leaving the tractor seat always engage the brake and or set the tractor transmission in parking gear disengage the PTO stop the engine remove the key and wait for all moving ...

Page 91: ...ntain the appearance of the mower OPS B 0012_E Never allow children to play on or around Tractor 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 SG 25 BEFORE leaving the tractor seat always engage the brake and or set the tractor transmission in parking gear disengage the PTO stop the ...

Page 92: ...g the pedals ensures that both wheels brake simultaneously while stopping especially when making an emergency stop Use extreme caution and avoid hard applications of the tractor brakes when towing heavy loads at road speeds Never tow the implement at speeds greater than 20 MPH 25 kph OPS U 0018 10 1 Transporting on Public Roadways Extreme caution should be used when transporting the tractor and im...

Page 93: ...ffic 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 triangular bright orange with reflective red trim for both easy day and night visibility Make sure the SMV sign is clean and visible from the rear of the unit before transporting the tractor and implement on a public r...

Page 94: ... 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 When transporting Boom Mower on a truck or trailer the height or width may exceed legal limits when the boom is in the transport position Contact with side or overhead...

Page 95: ...oth the front and rear of the tractor utilizing the proper tie down locations as specified by the tractor manufacturer OPS U 0025 Arrange the chains 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 ...

Page 96: ...oning Check line for stoppage properly Cylinder has a scored wall Replace the cylinder allow oil to flow around piston Hydraulic Motor Kinks or pinched points Check line for kinks or Not Working on the line pinched places Motor bogging down Recheck relief valve setting under load on the cutter valve 2500 PSI Hydraulic System Failure Malfunction in hydraulic Check entire system before valve is valv...

Page 97: ...in 1 oz Always replace changed at the same time both blades Excessive Vibrations Blade Broken Replace blades in sets Blade carrier bent Replace carrier Blade hub not properly Remove hub check tapered spline seated on shaft shaft clean and replace New Blade or bolts matched Replace blades or bolts in sets Drivelines not phased correctly Replace Drivelines Implement tractor yokes must be in line Gea...

Page 98: ...oo high Drain oil to proper level Sand hole is casting Replace castings or gearbox Gasket damaged Replace gasket Bolts loose Tighten bolts Clutch Slips Excessively Clutch linings badly worn or Repair clutch per maintenance plates warped section of manuals Too much power for clutch Reduce ground speed and material intake Oil on facings Replace facings Friction facings glazed Clean with emery cloth ...

Page 99: ...Maintenance Section 5 1 2009 Alamo Group Inc MAINTENANCE SECTION ...

Page 100: ...eased very sparingly i e one shot a week NOTE Overgreasing a universal joint will blow out the cork or neoprene sealing rings that exclude the dirt from the needle bearing inside 2 The two halves of the plastic guard should be checked daily to ensure that they can spin freely on the shaft The nylon slip rings which support the guard on the drive shaft should be lightly greased at weekly intervals ...

Page 101: ... Using clean containers when replenishing the system 4 Regular servicing of the filtration system Filtration Maintenance The machine is protected by a 125 micron suction strainer and a low pressure 10 micron full flow return line filter 1 Suction Strainer The strainer is fixed in position within the reservoir Should indications of pump cavitation or spongy intermittent operation occur the tank mus...

Page 102: ...rviced pumps should be run for several minutes under a no load condition before load is gradually applied During this time frequent checks should be made of the pump casing temperature An excessive temperature rise will indicate that the pump has been assembled incorrectly 6 Generally it is unwise to replace major components since they have to be matched in sets Unless this is done the pump will b...

Page 103: ...the block out of the return spring end 5 Remove the O ring marked B and refit a new O ring 6 Lightly oil the spool and replace it in the block from the return spring end pushing it through just far enough to clear O ring groove at A 7 Fit new O ring in groove A 8 Push the spool back through from the cable end far enough to reassemble the return spring assembly and cover 9 Replace the clevis pin in...

Page 104: ...lve in a misguided attempt to increase the power of the machine This could damage the tractor and may cause personal injury Non Return Valve The non return valve prevents the feed back of oil from the service ports to the pump It is unlikely to need attention but if removed for cleaning a new O ring should be fitted CABLES The cables operate on a push pull system with the spool centering springs a...

Page 105: ...s can be replaced in conjunction with the above operation or alternatively gently pried into position after the piston and locking nut are reassembled 6 Refit the piston locking nut using Permabond A113 or a similar medium strength thread locking compound 7 Reassemble the complete rod into the ram cylinder Screw in gland housing and tighten Reach Ram Renewing Gland Seals 1 Unscrew the gland nut us...

Page 106: ...bins and reassemble the spring centering mechanism and cable to the valve P T O GEARBOX The gearbox is rigidly bolted on to the main frame and has a filler plug Oil level is correct when level with the lip of the filler plug aperture The gearbox oil should be changed every two years or a 1000 hour intervals whichever occurs first The capacity of the gearbox is 700 milliliters 1 1 4 pints of EP 90 ...

Page 107: ...amage to the metal braid should be changed at the earliest opportunity Hose Replacement 1 Replace one hose at a time to avoid the risk of wrong connections 2 When the hose is screwed to an additional fitting or union use a second spanner on the union to avoid breaking seals 3 Do not use jointing compound on the threads 4 Avoid twisting the hose Adjust the hose line to ensure freedom from rubbing o...

Page 108: ...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...

Page 109: ...e 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 aroun...

Page 110: ...PA91 SOM 02 08 P N 7191852C Printed U S A ...

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Alamo 7191852C, Operator'S Manual

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