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0-18

The loader is equipped with a shut--off valve above

the control valve on the right of the loader.

This should be moved to the “closed” position during

service work, or when the loader is left in the lifted

position for any length of time for other reasons.

WARNING

This shut--off must NOT be used during work on

the loader’s hydraulic cylinders or associated

piping. In these cases, the loader must be

lowered to ground level. Shut off the tractor

engine and unload the hydraulic pressure by

using the control handle before disassembling

couplings or doing other work on the hydraulics

– oil under high pressure can cause serious

injury.

•

When working on the loader’s hydraulic system,

unload hydraulic pressure by moving all

hydraulic controls to all positions a number of

times once the engine has been shut off.

•

Do NOT use the loader to support the tractor

during service on the tractor or the loader.

0174

Be on your guard against pressurized hydraulic fluid.

NEVER use your finger or hand to search for leaks.

The fluid which flows out from small holes can be

almost invisible Use a piece of wood or cardboard

instead.

•

Undo hydraulic couplings slowly. Keep your

hands and fingers away from loosened cou-

plings.

•

Get medical attention at once if fluid penetrates

your skin. Serious reactions and/or infections

can rapidly occur if the oil is not removed at once

by surgical operation.

Replacement Parts

When a replacement part is needed for periodic

maintenance and service, use only genuine, original

equipment replacement parts to restore your

equipment to original specifications.

•

The manufacturer is not responsible for

installation of a non approved part/s and/or

accessories nor any damage that may occur as

a result of its use.

Содержание L780

Страница 1: ...L780 Loaders for MX MAGNUM Series Tractors Operator s Manual 87753767 12 07 1st Printing Printed in U S A CNH America LLC Racine WI 53404 U S A ...

Страница 2: ...refully inspected to insure high quality and accurate fitting of any necessary replacement parts Be prepared to give your dealer the model and product identification number of the engine and loader when ordering parts Locate these numbers now and record them below Refer to the General Information section of this manual for the location of the model and product identification numbers of your loader...

Страница 3: ...0 2 CONTENTS SAFETY 0 7 GENERAL INFORMATION 1 1 OPERATION 2 1 LUBRICATION AND MAINTENANCE 3 1 TROUBLESHOOTING 4 1 OPTIONAL EQUIPMENT 5 1 SPECIFICATIONS 6 1 INDEX 6 5 DELIVERY REPORT 6 7 ...

Страница 4: ...on CNH parts does not invalidate the warranty on other components unless the use of such parts causes damage to warranted parts CNH UK Ltd wishes to assure the emission control systems warranty is being properly administered If you believe you have not received the service entitled to under this warranty you should contact the nearest CNH Office for assistance The address and phone number of each ...

Страница 5: ...location You the owner are responsible for incidental costs incurred by yourself or your employees as a result of an unwarrantable failure Examples of such costs are communication expenses meals and lodging The owner is responsible for any business costs or losses any downtime expenses and any cargo damage which result from the failure of a warranted part CNH UK LTD is not responsible for other in...

Страница 6: ...wn to the State of California to cause cancer birth defects and other reproductive harm Battery posts terminals and related accessories contain lead and lead compounds chemicals known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling ...

Страница 7: ...rious injury The color associated with Warning is ORANGE CAUTION This word CAUTION indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices The color associated with Caution is YELLOW FAILURE TO FOLLOW THE DANGER WARNING AND CAUTION INSTRUCTIONS MAY RESULT IN SERIOUS BODILY INJURY OR DEATH MACHINE S...

Страница 8: ...ned areas 7 Stop the loader arms gradually when raising or lowering the loader 8 Carry the bucket or attachment as low as possible to increase visibility and stability during transport 9 When parked or during servicing of the loader lower the bucket to the ground stop the engine set the park brake and remove the key from the key switch Special care should be taken to park or store attachments with...

Страница 9: ... connecting or disconnecting hydraulic or diesel lines and fittings Tighten all lines and fittings before starting the engine and pressurizing the system If any fluid is injected into the skin obtain medical attention IMMEDIATELY to avoid the onset of Gangrene 4 DO NOT tamper with or change the relief valve settings The relief valve is preset at the manufacturer for optimum performance and safety ...

Страница 10: ... the manufacturer for use with the loader Guards This instruction manual may contain illustrations that show guards removed to give a better picture Never use the machine with guards removed If a guard has been removed for service or repairs re install the guard before the machine is taken back into service Safety Decals Safety decals are installed at various places on the loader and the attachmen...

Страница 11: ...SERIOUS INJURY CAUTION Indicates a potentially hazardous situation that if not avoided may result in a MINOR OR MODERATE INJURY The following words and instructions are not related to personal safety but are used throughout this book to give you additional tips as you operate or service this equipment IMPORTANT Indicates a special instruction or procedure which if not strictly followed may cause d...

Страница 12: ... Only lift loads which fit inside the tools E Pinch risk Never stand between the front of the loader and the cross tube on the loader F Fall risk Do not use the loader to lift or transport people SAFETY RULES Always store this instruction manual and the tractor s instruction manual in the tractor If there is no instruction manual for the tractor get one from the dealer before you install and use t...

Страница 13: ... or cab WARNING Use the loader only on a tractor with the ROPS installed Whenever possible operate the tractor and loader with the ROPS in the upright and locked position and the seat belt fastened and correctly adjusted When operating in restricted overhead environ ment with the ROPS folded down do not wear the seat belt ALWAYS return the ROPS to the upright and locked position as soon as operati...

Страница 14: ...e attachment as appropriate to minimize the hazard in the event of a collision with another vehicle or object For example a bale spear should be either removed or rolled back as far as possible WARNING The loader must not be operated during transportation During road transportation the loader control valve control lever must be locked in the neutral position See section Tractor load er hydraulic c...

Страница 15: ...re evenly adjusted Periodically check all nuts and bolts for tightness especially tractor wheel attaching hardware See Lubrication and maintenance for hardware torque specifications Make sure loader is correctly installed on the tractor and that attaching pins are locked TRACTOR BALLAST AND TREAD ADJUSTMENT Make sure tractor has rear ballast weight to stabilize the load carrying capacity of the ma...

Страница 16: ...ition Press the tip of the attachment against the ground 1 to check that the attachment is firmly fixed 2 0152 a 10 Only operate the machine when sitting in the Operator s seat 11 DO NOT stand walk or work under a lifted loader Make sure that you keep people especially children and animals away from the workplace 0106 a 12 ...

Страница 17: ...t up or down intermediate slopes not across Avoid sudden stops and starts Keep the loader as low as possible Drive the tractor forwards up slopes with an empty bucket Fill the bucket and then reverse slowly down the slope Keep the heavy end of the tractor pointed uphill 0112 14 Use safe driving practices Keep the tractor brake pedals locked together at all times NEVER use independant braking with ...

Страница 18: ...he center of gravity and the higher the risk of roll over 16 Properly park the tractor Before leaving the tractor unattended always 1 Lower the loader and attachment to the ground 2 Apply parking brake securely 3 Move transmission lever to neutral or park position 4 Shut off engine 5 Remove the key 6 Move the hydraulic control levers to all operating positions and return to center position to rele...

Страница 19: ...r of times once the engine has been shut off Do NOT use the loader to support the tractor during service on the tractor or the loader 0174 19 Be on your guard against pressurized hydraulic fluid NEVER use your finger or hand to search for leaks The fluid which flows out from small holes can be almost invisible Use a piece of wood or cardboard instead Undo hydraulic couplings slowly Keep your hands...

Страница 20: ...0 19 LOCATION OF SAFETY DECALS 21 ...

Страница 21: ...0 20 LOCATION OF ATTACHMENT SAFETY DECALS 1 Safety sign 11133569 on H D Bale Grip 2 Safety sign 11133567 on H D Bale Grip 3 Safety sign 11133566 on H D Bale Grip 22 ...

Страница 22: ...hem contain substances which may be harmful to your health 3 Modern oils contain additives Do not burn contaminated fuels and or waste oils in ordinary heating systems 4 Avoid spillage when draining off used engine coolant mixtures engine gearbox and hydraulic oils brake fluids etc Do not mix drained brake fluids or fuels with lubricants Store them safely until they can be disposed of in a proper ...

Страница 23: ...ilers Heater fan Front wind screen wash wipe Air filter blocked Parking brake Rear wind screen wash wipe Horn Roof beacon Radio Keep alive memory Heater temp erature control Air conditioner Warning Warning Corrosive substance P T O Transmission in neutral Creeper gears Slow or low setting Fast or high setting Ground speed FWD engaged FWD disengaged Variable control Differential lock Rear axle oil ...

Страница 24: ...is machine If you are an inexperienced operator study this manual and get instructions from an experienced operator Your dealer can assist you in learning machine operation and show you proper operating procedures Keep this manual readily available preferably with the machine If the original manual is damaged get a new one from your dealer CAUTION Read through the entire instruction manual before ...

Страница 25: ...ced on the inside of the left arm above the cross tube 0129 1 3 The sign specifies Type Ref No Serial No Production Date and Weight The loader model 1 year built 2 and product identification number 3 must always be quoted during service questions or when spare parts are needed Record the information from your loader in the space below 1 Model No 2 Year Built 3 Product Identification No 1 3 2 4 ...

Страница 26: ...ION 1 3 Cylinders valves control cables and hoses are also equipped with machine signs or punched printed order numbers 0160a 5 When control cables are ordered please specify the length L and make of valve control valve 0160b 6 ...

Страница 27: ...coupling between loader and subframe Bucket Level Indicator Equipment which shows the inclination of the attachment during lifting and lowering movements Control Valve Valve intended for lifting and attachment operation on the loader Central Control Valve Valve installed on the front of the loader intended for attachments which have hydraulic functions and for loaders equipped with a hydraulic att...

Страница 28: ...apacity F located 800 mm 31 5 in ahead of bucket pivot Raise loader until bucket pivot is level with loader arm pivot bucket in farthest forward position Apply rear wheel ballast and or ballast box until a minimum of 25 of total weight is on rear axle Tractor must be on level ground while measuring axle load Total weight includes ballasted tractor loader bucket and payload F When using loader for ...

Страница 29: ...ombinations are listed in ballast chart Recommendations are intended as a starting point only Specific tractor configurations may require more or less ballast than that shown in the chart Always confirm correct ballasting by weighting the fully loaded tractor as specified in Determination of Ballast section Recommended rear wheel ballast can be reduced by using a three point hitch counter weight T...

Страница 30: ...prevent inadvertent operation of the loader Lock the joystick by moving the tab on the front of the housing to the right Check that the joystick is locked by moving the handle fore and aft and left and right If the handle will not lock consult your dealer 0136 a 5 Alternative 2 The other method is to connect to the tractor rear remote valves and use the separate control levers to control the movem...

Страница 31: ...HE LOADER IMPORTANT Tractors with front axle suspension The loader causes increased wear on the components in the front suspension Always lock out the front suspension if this facility is available Read the tractor s instruction manual Loader Mounted Valve NOTE All controls except for float position return to neutral when the lever is released Raise Lower the Loader Move the lever backwards 1 to l...

Страница 32: ... valve and release the lever to lower the loader arm without any downward pressure To cancel the float function move the lever backwards somewhat out of the float position and release it 0135b 3 10 Attachment Roll Back Dump Move the lever left 4 to roll the attachment back Move the lever right 5 to dump the attachment 0135c 4 5 11 ...

Страница 33: ...tion during the entire lift lowering movement 0137 a 1 12 0128 13 INSTALLING THE LOADER NOTE The accessory box markings coincide with the loader and the base The decal installed on the accessory sack for the base contains information about the number of packages and the part numbers of the components in addition to information about the tractor model Check that these coincide Read through the inst...

Страница 34: ...he left and right bearing boxes 0175 15 Connect the hoses to the hydraulic source as shown in the illustration The control joystick must be connected to the valve so that the loader is raised when the joystick is moved rearwards 0175 16 Install the Position Indicator The position indicator can be mounted on the left or right bucket attachment ram Set your attachment in a level position and adjust ...

Страница 35: ... the loader on flat firm ground Shut off the Soft Ride Tip the bucket forwards and lower the loader so that the rear of the bucket is 100 150 mm 4 6 in above the ground with the front of the bucket resting on the ground 0172 c 18 Parking stands are located under the front part of the loader arms Pull up on the top end of the stands to release from the arms and fold them down to the ground Swing th...

Страница 36: ... retracted 0181 E 20 Roll back the attachment or bucket carefully This will make the rear of the loader lift and come loose and lift upward from the subframe Stop the tractor and relieve the oil pressure to the lift cylinders using the control valve Disconnect the hose connection s and install dust cover on the couplings Reverse the tractor carefully until it is completely clear from the loader IM...

Страница 37: ...lowly enters the bearing boxes Connect the hydraulics If there is any difficulty in coupling the quick release couplings this will be because the oil pressure has not been relieved IMPORTANT Never use force on quick release couplings by striking the valve ball This can damage it so that coupling will not open when coupled together Oil can only pass in one direction Make sure that couplers are conn...

Страница 38: ...latch bolts on the subframes When the end of the locking pin is visible on the inside of the bearing boxes the loader is locked in place 0143 24 CAUTION Make sure that the end of the locking pins are visible on both right and left bearing boxes 0161 25 Fold the parking stands and secure in the storage position 0141 26 ...

Страница 39: ...t all screws are tightened 4 Check that the front wheels clear the loader and base during full wheel lock and oscillation of the front axle if this is not the case oscillation stops or limitation of steering lock must be installed 5 Test operate the loader make sure that the ends of the lock pins are visible on the inside of both the left and right bearing boxes 6 Check that no oil leakage occurs ...

Страница 40: ...operator s seat CAUTION Crushing and pinch risk Lower the bucket to the ground lock the brakes and shut the engine off before dismounting the tractor Remove the ignition key if the machine is left unattended When operating on a slope approach load uphill fill and back downhill Operating sideways on a slope may cause tractor to tip Bucket is filled most effectively by driving straight into stock pi...

Страница 41: ...icle when bucket is dumped Release load from a low position for better loading and less spillage IMPORTANT Do not use loader as a battering ram 29 When back grading angle the bucket downward to allow cutting edge to contact ground and prevent wear on bucket rear face IMPORTANT To prevent damage to loader do not back grade material with bucket in the full dumped position Bottom of bucket should be ...

Страница 42: ...an be shut off completely or engaged in two working modes with a knob 2 as desired Position I Shut Off Position II Accumulators open to the lift side of the cylinders Position III Accumulators open to the lift side of the cylinder and the rod side of the cylinder In position III there is an internal relief port from the rod side to the side of the lift cylinder When in position III you cannot main...

Страница 43: ...evel to the ground Shut the engine off and lock the joystick control lever in neutral position Apply the parking brake 0153 32 Pull the bucket lever to the disengaged position left NOTE It is easiest to move the lock lever to the open position if the loader has been lifted about 1 meter 39 inches 0167 33 Lock the lever behind the catch 0168 34 ...

Страница 44: ...ent 0182 35 INSTALL ATTACHMENT Raise lower the loader to make the base of the attachment plate about 50 mm 2 in from the ground Tilt the tool forwards slightly using the bucket level indicator as a reference NOTE To improve visibility tilt the tool carrier forward 36 Drive the tractor forwards slowly to position the tool carrier under the hooks on the attachment 0151 a 37 ...

Страница 45: ...te Roll the attachment back to engage the attachment locking system 0171 38 Read this before operating loader DANGER Always check to ensure attachment is locked in position by forcing the front of the attachment against the ground and visually inspecting that the tool carrier lever has returned to the engaged position 0152 39 ...

Страница 46: ...ng and moving bale Use adequate rear ballast CAUTION Forward visibility is reduced when moving large round bales CAUTION Prevent personal injury due to being struck by a run away bale Use proper bale handling equipment when stacking round bales Set bales down on level ground Run away bales can cause personal injury and or property damage Move the bale spike into position at the end of the bale Mak...

Страница 47: ...back lift the load carefully Raise loader only enough for clearance under bale Move bale slowly and carefully until ready to unload 41 Tilt the bale forward to level position and place bale on the ground Carefully back unit away from bale 42 ...

Страница 48: ...s with bucket empty loader lowered fully to ground engine off hydraulic pressure released and parking brake applied CAUTION Prevent personal injury due to being struck by a run away bale Use proper bale handling equipment when stacking round bales Set bales down on level ground Run away bales can cause personal injury and or property damage On tractor with loader control valve press the loader thi...

Страница 49: ...th loader raised grapple tines fully open and bucket partially dumped Move grapple fork over the bale 45 Move the grapple down onto the bale Make sure grapple is as far down on the bale as possible Press the loader third hydraulic function button and move the hydraulic control lever to the left to close the grapple on the bale on units equipped with electric diverter valve system On Live 3rd units...

Страница 50: ...rance under bale Move bale slowly and carefully until ready to unload IMPORTANT Always roll back bucket if bale is to be lifted more than 152 mm 6 in above ground level 47 Release bale as close to the ground as possible Partially dump bucket while slowly opening grapple Carefully back unit away from bale 48 ...

Страница 51: ...h the electric diverter valve On Live 3rd units press and hold the top button to open the arms Move the hydraulic control lever forward to lower the quadrogrip around bale 50 Press the loader third hydraulic function button and move the hydraulic control lever to the left to close the arms on the bale on units equipped with the electric diverter valve On Live 3rd units press and hold the bottom bu...

Страница 52: ...h a solid support when loader is raised for access to bucket pivot pin grease zerks Grease zerks at each pivot pin and links on both sides of the loader 0154 B 1 STORAGE Store hoses on main frame so coupler s are off the ground Apply a thin layer of grease to exposed cylinder rods as protection HYDRAULIC SYSTEM Frequently check the oil level in the tractor hydraulic oil reservoir when the loader i...

Страница 53: ...a piece of cardboard or wood to find leaks If any fluid is injected into your body it MUST be removed within a few hours by a surgeon familiar with the procedure Inspect hoses and fittings periodically for wear and leaks Be sure hoses have sufficient clearance and do not rub against frame Replace hoses if damaged and keep all fittings tight Cylinders are double acting For efficient operation they ...

Страница 54: ...onnection 1 Remove the assembly stop 2 Push the hose all the way in 3 The coupling is now ready to disconnect 4 Pull the hose back for disconnection bd04h059 4 Connection 1 Make sure that the assembly stop is in place 2 DO NOT connect the plug without the assembly stop 3 Push the hose all the way in until the assembly stop touches the socket 4 Make sure that there is no space between the assembly ...

Страница 55: ...e values specifiec in the table below except in the cases where the tightening torque is specified in the assembly instructions The torques specified below apply to clean dry threads Lubricated threads will result in the fastener being overtightened Damaged or dirty threads result in undertightened A torque multiplier may be needed when tightening capscrews to high torque values Grade 5 Class 8 8 ...

Страница 56: ...to their end positions several times to remove air from hoses and cylinders Most problems which occur with the loader are simple in nature and can be easily rectified Use the Trouble Shooting on the following pages to help you localize and rectify problems Please contact your dealer if you need more help Problem Possible cause Action Lifting and bucket cylinders do not function Low hydraulic oil l...

Страница 57: ... hydraulic oil Let the hydraulic oil warm up to work ing temperature Engine speed too low hydraulic pump speed is then too low Increase engine speed to improve loader performance Too heavy load in bucket Material weight exceeds loader s specified capacity Reduce the load in the bucket Control valve cable system binds or is damaged Contact your dealer Air in the hydraulic oil Please refer to Air in...

Страница 58: ...position Note The value at which the loader is allowed to lower varies between 0 5 1 5 mm min measured on the piston rod depending on load er model Pistons in lifting cylinders leak Contact your dealer Internal leakage in control valve Contact your dealer Control valve or cable system binds and prevents valve spool from returning to center position Find the reason for binding and repair it Control...

Страница 59: ...ic es Bucket cylinder piston rods are bent when bucket cylinders are extended Grading or excavation work with bucket cylinders fully extended Change cylinders Review and ob serve proper operational practic es Bucket cutting edge wear is un even side to side Bucket is not parallel with ground Check air pressure in rear tires and level pressure to adjust buck et to ground Rapid wear on cutting edge ...

Страница 60: ...der 3rd Function 3rd hydraulic function electrical diverter valve Solenoid valve used for hydraulic tools 86064661 1 Soft Ride Load Damper Reduces stresses on tractor and loader and improves operator comfort Can be set to two working modes 86064662 2 Quick Connect Couples uncouples the loader hydraulics with a simple hand operation 86064663 3 ...

Страница 61: ...Buckets 63 in 160 cm 73 in 185 cm 83 in 210 cm 95 in 240 cm 102 in 260 cm 86064664 4 Heavy Duty Material Buckets 73 in 185 cm 83 in 210 cm 95 in 240 cm 102 in 260 cm 86064665 5 Construction Tooth Buckets 63 in 160 cm 73 in 185 cm 83 in 210 cm 86064666 6 ...

Страница 62: ...5 OPTIONAL EQUIPMENT 5 3 Light Material Snow Buckets 79 in 200 cm 87 in 220 cm 95 in 240 cm 102 in 260 cm 86064667 7 Fork Lifts 38 in 160 cm 47 in 250 cm 86064668 8 Log Grap Attachment for Fork Lifts 86064669 9 ...

Страница 63: ...NAL EQUIPMENT 5 4 Bale Spike 86064670 10 Big Bale Fork 86064671 11 Grapple with Optional Backscreen Available with either tine floor bucket or standard floor bucket 83 in 210 cm 95 in 240 cm 102 in 260 cm 86064672 12 ...

Страница 64: ...SECTION 5 OPTIONAL EQUIPMENT 5 5 Counterweight empty 86064673 13 H D Bale Grip 86064674 14 H D Round or Square Plastic Wrapped Bale Grip 86064660 15 ...

Страница 65: ...SECTION 5 OPTIONAL EQUIPMENT 5 6 Hose Set 86064675 16 Weld on Hook Set 86064676 17 ...

Страница 66: ...tractor model and implement Loader Model L780 Tractor Model Series MX MAGNUM Hydraulic Pressure 3000 psi 207 bar Hydraulic Flow 40 gpm 151 l m Front Tires 600 70R30 Rear Tires 710 70 R42 Wheelbase WB 118 in 3000 mm Lifting Capacity and Breakout Force at 2930 psi 202 bar at pivot pin lb kg Maximum lifting height lb kg 5950 2700 59 in 1 5 m lift height lb kg 7550 3425 Ground line breakout force lb k...

Страница 67: ... 4445 C Clearance with bucket dumped 150 3810 D Reach at maximum lift height 7 179 E Maximum dump angle 57 deg F Reach with bucket at ground 109 2769 G Maximum rollback angle 38 deg H Digging depth 6 152 Cycle Times seconds Raising Time 3 4 Lowering Time 2 7 Bucket Dump Time 1 8 Bucket Rollback Time 1 8 Approximate Weight loader w o bucket lb kg 1780 807 ...

Страница 68: ...SECTION 6 SPECIFICATIONS 6 3 DIAGRAM 2 ...

Страница 69: ...SECTION 6 SPECIFICATIONS 6 4 ...

Страница 70: ...als 0 19 Lubrication and Maintenance 3 1 Lubrication Points 3 1 Machine Safety 0 6 Machine Stability 0 16 Maintenance 0 8 Operating the Loader 0 7 Operation 2 1 Operation of the Loader 2 4 Operation with Bale Spike Attachment 2 19 Operation with Grapple Fork Attachment 2 21 Operation with H D Bale Grip 2 24 Optional Equipment 5 1 Personal Safety 0 6 Precautionary Statements 0 6 Predelivery Report ...

Страница 71: ...6 6 ...

Страница 72: ...mounting procedures with owner Check hydraulic connections Review bucket mounting and dismounting procedures with owner SAFETY ITEMS CHECKS Operator s manual present 87753767 Seat belts installed OPERATIVE SERVICE CHECKS Check for hydraulic leaks Confirm loader operation with joystick decal Confirm joystick safety lock out is functioning properly Dealer representative signature Date I have been in...

Страница 73: ...6 8 ...

Страница 74: ...mounting procedures with owner Check hydraulic connections Review bucket mounting and dismounting procedures with owner SAFETY ITEMS CHECKS Operator s manual present 87753767 Seat belts installed OPERATIVE SERVICE CHECKS Check for hydraulic leaks Confirm loader operation with joystick decal Confirm joystick safety lock out is functioning properly Dealer representative signature Date I have been in...

Страница 75: ...6 10 ...

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