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New Holland 905GBL Operator'S Manual Download Page 73

7 - TROUBLESHOOTING

Problem

Possible Cause

Correction

The load sinks

Loose hydraulic hoses, leaking moving
parts or hoses.

Tighten hoses, replace damaged O-rings if
leaking. Replace damaged hoses.

Piston in lifting cylinders leaks.

Contact your dealer.

Worn out or damaged piston seal. External
leakage.

Contact your dealer.

Loader control valve or tractor’s main relief
valve is stuck in the open position.

Contact your dealer.

Worn out control valve.

Replace the valve.

Check that the safety valve in the control
valve is not stuck.

Clean the safety valve thoroughly and
make sure it can move freely. If there is a
problem, replace the valve.

The cylinder leaks

Piston in lifting cylinders leaks.

Contact your dealer.

Piston unit damaged (does not seal).

Contact your dealer.

Lifting cylinder piston rods bent.

Contact your dealer.

Worn out or damaged piston seal. External
leakage.

Contact your dealer.

Problem mounting the
valve spool

Paint on the valve spool. Dirty or damaged
valve spool.

Clean the valve spool.

check that the

screws are not too tight.

Hydraulic oil is leaking through the spool
seals in the spool cover.

Replace the spool seals.

Affected by outside particles.

Clean the system and the valve.

Control device’s links are displaced.

Check the links.

Centering spring in the cover is broken.

Remove the screws for the valve protec-
tor. Operate the valve spool and tighten the
screws.

When replacing the valve, the O-rings
should be lubricated, which can cause the
spools that are stuck to the vale to twist.

Dismantle and remove the lubricant from
around the O-rings.

Valve spool cap bolts are not tight.

Check the tightening torque.

Spring- centered valve
spool does not return to
normal position.

Paint on the valve spool. Dirty or damaged
valve spool.

Clean the valve spool.

Check that the

screws are not too tight.

Hydraulic oil is leaking through the spool
seals in the spool cover.

Replace the spool seals.

Control lever overreacts
or does not stay in the
middle position.

Broken return spring.

Replace the return spring.

Damaged valve spool.

Contact your dealer.

Control device’s links are displaced.

Check the links.

Worn out control valve.

Replace the valve.

Damaged piston rod

Loader control valve or tractor’s main relief
valve is stuck in the open position.

Contact your dealer.

Excessive hydraulic pressure.

Do not move the tractor unless the backhoe
is in the transport position and lifted off the
ground.

7-3

Summary of Contents for 905GBL

Page 1: ...OPERATOR S MANUAL Part number 90441918 2nd edition English December 2020 Replaces part number 51410064 905GBL Backhoe ORIGINAL INSTRUCTIONS ...

Page 2: ...CONTROLS AND INSTRUMENTS Operator s seat Seat adjustment 3 1 Forward controls Control levers 3 3 4 TRANSPORT OPERATIONS Road transport Road transport 4 1 Swing lock 4 5 Boom lock 4 6 Stabilizer lock 4 7 5 WORKING OPERATIONS General information Backhoe operations 5 1 Boom operation 5 2 Dipper and bucket operation 5 2 Using the stabilizers 5 2 Using the backhoe 5 3 Fill the bucket 5 5 Emptying the b...

Page 3: ...art 6 8 Every 10 hours Grease fittings Lubricate 6 8 As necessary Hardware Check 6 9 Hydraulic hoses Check 6 10 Storage Storing the unit 6 11 7 TROUBLESHOOTING Fault code resolution Troubleshooting Foreword 7 1 Hydraulic systems Troubleshooting 7 1 8 SPECIFICATIONS Backhoe specifications 8 1 9 FORMS AND DECLARATIONS Pre delivery report Dealer s copy 9 1 Pre delivery report Owner s copy 9 3 ...

Page 4: ......

Page 5: ...is is the safety alert symbol It is used with and without signal words to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible death or injury WARNING Illustrations in this manual may show protective shielding open or removed to better illustrate a par ticular feature or adjustment Replace all shields before operating the machine Failure...

Page 6: ...en loads on the bucket or attachment are raised In these conditions the machine may roll over earlier than expected You shall take the necessary precautions to always be aware of the possible presence of bystanders certainly when maneuvering in confined areas such as the farm yard and sheds Keep people away from the machine during work ask bystanders to leave the field There is not only the risk t...

Page 7: ...der no circumstances will a guarantee be issued for products made or sold by CNH INDUSTRIAL AMERICA LLC that are damaged as a result of the malfunction of parts and or components not approved by CNH INDUSTRIAL AMERICA LLC 1 3 ...

Page 8: ... lo cated on the frame The identification numbers on this plate are important in the event that your backhoe should require future service NHIL17CT01835AA 1 The plate specifies Model Product identification number and Production Date The backhoe model product identification number and production date must always be quoted during service questions or when spare parts are needed NHIL16CT01514AA 2 1 4...

Page 9: ...ation Throughout this operator s manual references to the right hand side and left hand side are viewed from the backhoe operator s seat looking in forward direction NHIL17CT01767BA 1 A Right hand side B Top C Left hand side D Bottom 1 5 ...

Page 10: ... frame 11 Stabilizer foot 16 Bucket 2 Cylinder boom 7 Sub frame system 12 Stabilizer lock 17 Bucket teeth 3 Swing lock pin 8 Step 13 Cylinder swing 18 Dipper stick 4 Control levers 9 Cylinder stabilizer 14 Boom lock 19 Cylinder bucket 5 Control levers stabilizer 10 Stabilizers 15 Boom 1 6 ...

Page 11: ...voided could result in death or serious injury CAUTION indicates a hazardous situation that if not avoided could result in minor or moderate injury FAILURE TO FOLLOW DANGER WARNING AND CAUTION MESSAGES COULD RESULT IN DEATH OR SERIOUS INJURY Machine safety NOTICE Notice indicates a situation that if not avoided could result in machine or property damage Throughout this manual you will find the sig...

Page 12: ...ways close access doors or panels before you operate the machine Dirty or slippery steps ladders walkways and platforms can cause falls Make sure these surfaces remain clean and clear of debris A person or pet within the operating area of a machine can be struck or crushed by the machine or its equipment DO NOT allow anyone to enter the work area Raised equipment and or loads can fall unexpectedly...

Page 13: ... the machine Unsupported hydraulic cylinders can lose pressure and drop the equipment causing a crushing hazard Do not leave equipment in a raised position while parked or dur ing service unless the equipment is securely supported Jack or lift the machine only at jack or lift points indicated in this manual Incorrect towing procedures can cause accidents When you tow a disabled machine follow the ...

Page 14: ...ings pulleys belts gears cleaning fans etc More frequent cleaning of your machine may be necessary depending on the operating environment and conditions Inspect the electrical system for loose connections and frayed insulation Repair or replace loose or damaged parts Do not store oily rags or other flammable material on the machine Do not weld or flame cut any items that contain flammable material...

Page 15: ...nly appropriate containers for the stor age of chemicals or petrochemical substances Keep out of reach or children or other unauthorized per sons Applied chemicals require additional precautions Obtain complete information from the manufacturer or distributor of the chemicals before you use them Utility safety When digging or using ground engaging equipment be aware of buried cables and other serv...

Page 16: ...ount the ma chine Maintain a three point contact with steps ladders and handholds Never mount or dismount from a moving machine Do not use the steering wheel or other controls or acces sories as handholds when you enter or exit the cab or operator s platform 2 6 ...

Page 17: ...ever adjust lubricate clean or unplug machine with the engine running Failure to comply could result in death or serious injury W0112A Before you service the machine put a DO NOT OPERATE tag on the instrument panel 321_4614 1 DO NOT OPERATE TAG A 1 Do not operate B 2 Do not remove this C 3 See other side D 4 Signed by E 5 Reason The DO NOT OPERATE tag can be obtained from your NEW HOLLAND dealer 2...

Page 18: ...s with all local legislation and available resources Do not allow coolant mixtures to get into the soil Col lect and dispose of coolant mixtures properly Do not open the air conditioning system yourself It contains gases that should not be released into the at mosphere Your NEW HOLLAND dealer or air condi tioning specialist has a special extractor for this pur pose and can recharge the system prop...

Page 19: ...ure that you or your dealer install the safety sign on the new part See your dealer for replacement safety signs Replace all safety signs that are damaged missing painted over or illegible If a safety sign is on a part you or your dealer replaces make sure that you or your dealer install the safety sign on the new part See your dealer for replacement safety signs Safety signs that display the Read...

Page 20: ...O PREVENT INSTABILITY RESULTING IN BODILY INJURY TO OPERATOR OR BYSTANDERS Do not use the backhoe without front loader attached Backhoe digging forces can lift and turn tractor over For maximum stability set stabilizers to remove weight from rear tractor tires without lifting them off the ground Quantity 1 English Part Number MT40358868 40358868 4 2 Location Top right hand side of control panel NH...

Page 21: ... SAFETY INFORMATION 3 DANGER CRUSHING HAZARD Quantity 2 English Part Number MT40255430 40255430 6 3 Location Top of left hand and right hand stabilizer cylinders NHIL17CT01988FA 7 NHIL17CT01987FA 8 2 11 ...

Page 22: ...solid base for stabilizers Operate from backhoe operators seat only Keep all guards in place When operating backhoe keep others away from stabilizers and maximum bucket swing areas Keep others off backhoe and tractor while operating backhoe Consult local utilities before digging Know location of underground cables and pipelines Watch for overhead hazard Do not repair or service backhoe unless it i...

Page 23: ...t hand side of the control panel NHIL17CT01988FA 10 NHIL17CT01987FA 11 5 CAUTION Underground utilities Call before you dig 811 Quantity 1 English Part Number MT40376684 40376684 12 5 Location On the lower rear right hand side control panel NHIL17CT01988FA 13 2 13 ...

Page 24: ...om tractor always stand on the tractor side of the stabilizer and outside of rear wheel 3 Never operate unless backhoe manufacture s mounting kit has been installed as instructed in operators manual 4 Do not modify or substitute any parts of backhoe mounting kit Quantity 1 English Part Number MT40358865 40358865 14 6 Location On the rear center of control panel NHIL17CT01988FA 15 2 14 ...

Page 25: ...e sure that you or your dealer install the safety sign on the new part See your dealer for replacement safety signs Replace all safety signs that are damaged missing painted over or illegible If a safety sign is on a part you or your dealer replaces make sure that you or your dealer install the safety sign on the new part See your dealer for replacement safety signs Safety signs that display the R...

Page 26: ...2 SAFETY INFORMATION 1 Right hand stabilizer control Quantity 1 English Part Number MT40358873 40358873 2 1 Location On the top right hand side of the control panel NHIL17CT01987FA 3 2 16 ...

Page 27: ...2 SAFETY INFORMATION 2 LOCKING POINT Quantity 2 English Part Number MT40376685 40376685 4 2 Location On the front of right hand side and left hand stabilizers NHIL17CT01988FA 5 NHIL17CT01987FA 6 2 17 ...

Page 28: ... Part Number MT40358871 40358871 7 3 Location On the top right hand side of the control pane NHIL17CT01988FA 8 4 Operation of left hand joystick Quantity 1 English Part Number MT40358870 40358870 9 4 Location On the top left hand side of the control panel NHIL17CT01988FA 10 2 18 ...

Page 29: ...sh Part Number MT40358872 40358872 11 5 Location On the top left hand side of the control panel NHIL17CT01987FA 12 6 SWING LOCK Quantity 1 English Part Number MT40358874 40358874 13 6 Location Lower frame left hand side in front of control panel NHIL17CT01987FA 14 2 19 ...

Page 30: ...2 SAFETY INFORMATION 7 BOOM LOCK Quantity 1 English Part Number MT40358875 40358875 15 7 Location On the left hand side of boom NHIL17CT01987FA 16 2 20 ...

Page 31: ...ft up the seat adjustment handle 1 and adjust the seat fully forward toward the front of the tractor 4 Pull the swivel lock handle 2 out towards the left hand fender and rotate the handle 90 NHIL17CT00570AA 1 5 Push the seat rearward to the rear of the tractor The seat will raise up and move rearward See figure 2 6 Rotate the swivel lock handle 2 90 to lock the seat in this position NHIL17CT00571A...

Page 32: ...at fully forward toward the front of the tractor 4 Pull up on the seat swivel tab 2 and at the same time rotate the seat clockwise to face the front of the tractor NHIL17CT00585AA 5 5 Pull the swivel lock handle 1 out towards the left hand fender and rotate the handle 90 NHIL17CT00584AA 6 6 Push the seat forward to the front of the tractor The seat will raise up and move forward See figure 7 7 Rot...

Page 33: ...nd dismount the machine in a safe way Maintain a three point contact with steps and or hand holds Failure to comply could result in minor or moderate injury C0206A The machine has two main control levers located on the control panel Boom Swing 1 Dipper stick Bucket 4 The control levers for stabilizers are located in front of the two main control rods Left hand stabilizer 2 Right hand stabilizer 3 ...

Page 34: ...3 CONTROLS AND INSTRUMENTS 3 4 ...

Page 35: ...serious injury W0211A For road transport do the following 1 When traveling on public roads only use the head lights and hazard warning lights DO NOT use the work lights An oncoming vehicle may confuse the rear work lights with the headlights NHIL16CT01526AA 1 WARNING Transport hazard ALWAYS make sure the safety latches are fully engaged across the machine before transport Failure to comply could r...

Page 36: ...ovement WARNING Avoid injury Know all rules regulations laws and required safety equipment for transporting or operating this machine on a road or highway See your dealer to obtain a rotating beacon backup alarm and other safety equipment Failure to comply could result in death or serious injury W1063A 5 Know all rules regulations laws and required safety equipment for transporting or operating th...

Page 37: ...llow the display instructions thor oughly Failure to comply could result in death or serious injury W0993A Drive slowly over uneven terrain or on hills or curves to reduce the risk of tipping Do not drive the tractor near the edge of the trenches or pits Check that you have good lightning and the SMV sign is visible when driving on roadways Pull in the digging boom 1 completely and center it fold ...

Page 38: ... 1 Engage the boom lock 2 and the stabilizer locks 3 For long trips check the back hoe at regular intervals NHIL17CT01834AA 5 NOTE Place the Slow Moving Vehicle SMV sign 5 in its holder 4 on the backhoe when driving on the roads NHIL16CT01558AA 6 4 4 ...

Page 39: ...ng lock Use the swing lock 6 when dismounting or transporting the backhoe 1 Center the boom 2 Insert the swing lock pin 6 NHIL17CT01832AA 1 When not in use store the swing lock pin 6 in as shown in figure 2 NHIL17CT01833AA 2 4 5 ...

Page 40: ...Boom lock Use the boom lock when transporting the backhoe 1 Retract the digging boom completely and lower the boom 2 Lock the boom with the boom lock 7 by pushing the handle away from the operator s seat NHIL17CT00567AA 1 4 6 ...

Page 41: ...4 TRANSPORT OPERATIONS Stabilizer lock Use the stabilizers lock when transporting the backhoe 1 Raise the stabilizers completely 2 Lock the stabilizers with the locking tabs 8 NHIL17CT00567AA 1 4 7 ...

Page 42: ...4 TRANSPORT OPERATIONS 4 8 ...

Page 43: ... off the list below and make the adjustments where necessary 1 Be sure that all protective devices are installed 2 All safety and warning decals should be mounted intact and clean 3 Check that all screws have been tightened 4 All axles bolts and locking pins to mount the backhoe on the tractor should be installed Check the tightness of bolts and ensure that all pins are in good condition 5 Be sure...

Page 44: ... in Move the rod to the right to extend the bucket out By moving the lever to one of the middle positions the dipperstick can be extended or retracted while the bucket is filled or emptied Extend and fill the bucket by moving the lever forward and to the left Retract and fill the bucket by moving the lever backward and to the left Extend and empty the bucket by moving the lever for ward and to the...

Page 45: ...stabilizer Move left lever 2 forward left stabilizer drops Move left lever 2 backward left stabilizer raises Right stabilizer Move right lever 1 forward right stabilizer drops Move right lever 1 backward right stabilizer drops NHIL17CT00550AA 2 Using the backhoe DANGER Avoid injury Keep clear of the swing area Ensure that any person near the working site is outside the swing area before you start ...

Page 46: ...5 WORKING OPERATIONS Familiarize yourself with the working area and terrain Pay attention to vertical clearance and limitations that arise due to the increased reach NHIL16CT01528AA 1 5 4 ...

Page 47: ... pressure Use a piece of cardboard or wood for this purpose If injured by leaking fluid see your doctor immediately Failure to comply could result in death or serious injury W0178A NOTICE In order to avoid injury observe the following safety precautions BEFORE using the machine Only work from the operator s seat on your backhoe Lower the stabilizers until the weight of the tractor is supported Be ...

Page 48: ...lecting in front of the backhoe empty the bucket 3 com pletely and rotate it inwards when digging This way all the excess material will collect in the trench NHIL16CT01550AA 3 Emptying the bucket In order to empty the bucket 1 lift it up from the trench completely and empty it at the dumping site Avoid vibrations or hitting motions between the ground being excavated and the filled bucket which can...

Page 49: ...boom 1 while lowering the bucket 2 Tilt the bucket so that the bottom of the bucket 2 and its teeth 3 are always in a vertical position NHIL16CT01553AA 1 In order to dig so that the rear wall is vertical raise the bucket 2 as you gradually pull it toward you Keep the edges of the bucket horizontal NHIL16CT01554AA 2 Backfilling Fill the bucket by rotating the bucket inwards while si multaneously li...

Page 50: ...5 WORKING OPERATIONS Coupling and uncoupling Coupling and uncoupling the bucket using the two pins 2 and the two lock bolts and nuts 1 NHIL17CT01779AA 1 5 8 ...

Page 51: ...he backhoe swing lock pin is in the LOCK position Failure to comply could result in death or serious injury W1449B CAUTION Crushing hazard Keep away from the space under the bucket or attachment when lowering the bucket or attachment In cases where the machine fails and the engine stops lower the attachment using the procedure described in this manual Failure to comply could result in minor or mod...

Page 52: ...Slowly lower the stabilizers one side at a time until the backhoe raises off the sub frame and the pins 2 in the backhoe are slightly above the saddles 1 of the sub frame NHIL17CT00564AA 5 9 Release the park brake 10 Slowly drive the tractor forward until the sub frame 1 is clear of the backhoe main frame 2 11 Engage the park brake NHIL17CT00564AA 6 5 10 ...

Page 53: ...connect the hose with the 90 male quick coupler 3 on the backhoe from the female quick coupler 4 on the tractor 18 Install the dust cap on the female quick coupler 3 on the backhoe 19 Disconnect the hose with the 90 female quick cou pler 2 on the backhoe from the male quick coupler 1 on the tractor 20 Install the dust caps on the female quick coupler 2 on the backhoe and the male quick coupler 1 o...

Page 54: ...elease the park brake 26 Slowly drive the tractor away from the backhoe 27 Backhoe dismounting is complete 28 If the backhoe will be in storage for an extended pe riod of time see page 6 11 for backhoe storage in structions NHIL17CT00568AA 10 5 12 ...

Page 55: ... hazard Keep away from the space under the bucket or attachment when lowering the bucket or attachment In cases where the machine fails and the engine stops lower the attachment using the procedure described in this manual Failure to comply could result in minor or moderate injury C0169A 1 Back the tractor as close to the backhoe without mak ing contact 2 Shut off the engine 3 Engage the park brak...

Page 56: ...on the tractor NHIL17CT00557AA 2 8 Start the engine 9 Operate the stabilizer control knobs to raise the sta bilizers 1 off of the transport locks 2 10 Release the stabilizer transport locks by pulling the locks over the pins and swinging the locks toward the center of the backhoe NHIL17CT00567AA 3 11 Lower the stabilizers until the stabilizers contact the ground NHIL17CT00565AA 4 12 Continue lower...

Page 57: ...erate the boom control handle to lower the boom and apply pressure to the floor This will push the backhoe against the sub frame NHIL17CT00559AA 6 17 Insert a M30 lock pin 1 on each side of the backhoe as shown in figures 7 and 8 NHIL17CT00560AA 7 NHIL17CT00561AA 8 18 Fold the boom and dipperstick 19 Engage the boom lock 20 Raise the stabilizers 21 Engage the stabilizer locks 22 Backhoe mounting i...

Page 58: ...5 WORKING OPERATIONS 5 16 ...

Page 59: ...e all connections are tight and all components are in good condition Never use your hand to check for suspected leaks under pressure Use a piece of cardboard or wood for this purpose If injured by leaking fluid see your doctor immediately Failure to comply could result in death or serious injury W0178A WARNING Impact and crushing hazard Before performing any maintenance park the machine on a firm ...

Page 60: ...he given speci fications Improperly or incorrectly performed maintenance and repair voids the equipment warranty and may affect service intervals NOTICE Always use genuine NEW HOLLAND replacement parts oils and filters to ensure proper operation filtration of engine and hydraulic systems See your NEW HOLLAND dealer for additional oil quantities Regular lubrication is the best insurance against del...

Page 61: ...89 lb in M8 18 N m 163 lb in 25 N m 217 lb in 26 N m 234 lb in 35 N m 311 lb in 17 N m 151 lb in 24 N m 212 lb in M10 37 N m 27 lb ft 49 N m 36 lb ft 52 N m 38 lb ft 70 N m 51 lb ft 33 N m 25 lb ft 48 N m 35 lb ft M12 64 N m 47 lb ft 85 N m 63 lb ft 91 N m 67 lb ft 121 N m 90 lb ft 58 N m 43 lb ft 83 N m 61 lb ft M16 158 N m 116 lb ft 210 N m 155 lb ft 225 N m 166 lb ft 301 N m 222 lb ft 143 N m 1...

Page 62: ...39 N m 343 lb in 18 N m 163 lb in 27 N m 240 lb in M10 40 N m 30 lb ft 54 N m 40 lb ft 57 N m 42 lb ft 77 N m 56 lb ft 37 N m 27 lb ft 53 N m 39 lb ft M12 70 N m 52 lb ft 93 N m 69 lb ft 100 N m 74 lb ft 134 N m 98 lb ft 63 N m 47 lb ft 91 N m 67 lb ft M16 174 N m 128 lb ft 231 N m 171 lb ft 248 N m 183 lb ft 331 N m 244 lb ft 158 N m 116 lb ft 226 N m 167 lb ft M20 350 N m 259 lb ft 467 N m 345 l...

Page 63: ...ft 7 16 48 N m 36 lb ft 65 N m 48 lb ft 68 N m 50 lb ft 91 N m 67 lb ft 50 N m 37 lb ft 71 N m 53 lb ft 1 2 74 N m 54 lb ft 98 N m 73 lb ft 104 N m 77 lb ft 139 N m 103 lb ft 76 N m 56 lb ft 108 N m 80 lb ft 9 16 107 N m 79 lb ft 142 N m 105 lb ft 150 N m 111 lb ft 201 N m 148 lb ft 111 N m 82 lb ft 156 N m 115 lb ft 5 8 147 N m 108 lb ft 196 N m 145 lb ft 208 N m 153 lb ft 277 N m 204 lb ft 153 N...

Page 64: ...108 N m 80 lb ft 115 N m 85 lb ft 153 N m 113 lb ft 74 N m 55 lb ft 104 N m 77 lb ft 9 16 117 N m 86 lb ft 156 N m 115 lb ft 165 N m 122 lb ft 221 N m 163 lb ft 106 N m 78 lb ft 157 N m 116 lb ft 5 8 162 N m 119 lb ft 216 N m 159 lb ft 228 N m 168 lb ft 304 N m 225 lb ft 147 N m 108 lb ft 207 N m 153 lb ft 3 4 287 N m 212 lb ft 383 N m 282 lb ft 405 N m 299 lb ft 541 N m 399 lb ft 261 N m 193 lb f...

Page 65: ... 20090268 4 Grade identification Grad e Corner marking method 1 Flats marking method 2 Clock marking method 3 Grad e A No notches No mark No marks Grad e B One circumferential notch Letter B Three marks Grad e C Two circumferential notches Letter C Six marks 6 7 ...

Page 66: ...MULTI PURPOSE GREASE EXTREME PRESSURE AND ANTI WEAR NLGI 2 3 Pump fresh grease into the fitting to lubricate the component and force out any contamination from the grease passage 4 Wipe off excess grease 5 Make sure that all the moving parts and grease fittings on the backhoe are lubricated as well as the control levers for the control valve 6 Lubricate the following grease fittings 1 through 17 w...

Page 67: ...e Check WARNING Roll over hazard Never operate the machine with a loose wheel rim or disc Always tighten nuts and or bolts to the specified torque value and at the recommended intervals Failure to comply could result in death or serious injury W0346B 6 9 ...

Page 68: ... components are in good condition Never use your hand to check for suspected leaks under pressure Use a piece of cardboard or wood for this purpose If injured by leaking fluid see your doctor immediately Failure to comply could result in death or serious injury W0178A WARNING Pressurized hydraulic fluid can penetrate the skin and cause severe injuries Tighten all of the connections before starting...

Page 69: ...ckhoe has been stored for long time Check the condition of the hydraulic hoses and re place them as needed Always release the hydraulic pressure before disconnecting the hoses Refer to 6 10 Grease all lubrication points 6 8 Clean and inspect all warning decals Replace dam aged warning decals Tighten loose bolts nuts and adjusting screws Re fer to 6 9 Work with light loads using gentle movement bef...

Page 70: ...6 MAINTENANCE 6 12 ...

Page 71: ...oning normally Low hydraulic level Check and top ip with hydraulic oil Loose hydraulic hoses leaking moving parts or hoses Tighten hoses replace damaged O rings if leaking Replace damaged hoses Piston in lifting cylinders leaks Contact your dealer Excessive back pressure Restriction between the in and out port and the reservoir Pressure relief valve working irregularly or set too low Contact your ...

Page 72: ... disruptions The cylinder restrictor is blocked Remove and clean the restrictors Hydraulic hoses incorrectly connected Check and connect hoses correctly The machine is functioning slowly Low hydraulic oil level Check and top up with hydraulic oil Low hydraulic oil level Cold hydraulic oil Check and top up with hydraulic oil Allow the hydraulic oil warm up to working tem perature Low system pressur...

Page 73: ... cover Replace the spool seals Affected by outside particles Clean the system and the valve Control device s links are displaced Check the links Centering spring in the cover is broken Remove the screws for the valve protec tor Operate the valve spool and tighten the screws When replacing the valve the O rings should be lubricated which can cause the spools that are stuck to the vale to twist Dism...

Page 74: ...7 TROUBLESHOOTING 7 4 ...

Page 75: ...owing table Backhoe 905GBL Measurement specifications A Transport height 1897 0 mm 74 7 in B Raised stabilizers during transport 1353 0 mm 53 3 in G Max digging depth 1910 0 mm 75 2 in K Load height 1513 0 mm 59 6 in M Max reach 2921 0 mm 115 0 in P Lowered stabilizers 1996 mm 79 in R Bucket rotation 170 Swing arch 135 8 1 ...

Page 76: ... m 1 380 ft 0 050 m 1 760 ft 29 0 kg 64 0 lb 18 in 0 044 m 1 560 ft 0 057 m 2 020 ft 34 0 kg 75 0 lb CYLINDER Cylinder Diameter cylinder Diameter rod Retracted length Cylinder stroke Bucket 65 00 mm 2 56 in 35 00 mm 1 38 in 535 00 mm 21 06 in 290 00 mm 11 42 in Boom 65 00 mm 2 56 in 35 00 mm 1 38 in 575 00 mm 22 64 in 365 00 mm 14 37 in Dipperstick 65 00 mm 2 56 in 40 00 mm 1 57 in 524 00 mm 20 63...

Page 77: ...TOR S PLATFORM Check all the items below to insure they care installed correctly and operating properly Slow Moving Vehicle SMV emblem installed Safety decals installed Operator s seat is properly installed 2 FLUID LEVELS and LUBRICATION Check and top off as necessary Lubricate grease the entire machine Wipe off excess grease or oil Hydraulic fluid level of the attached tractor 3 OPERATIONAL CHECK...

Page 78: ...orque The above pre delivery service was performed and corrective action taken as required Dealer Representative s Signature I have been instructed in the operation maintenance and safety features of this machine as detailed in the operator s manual Owner s Signature Date Remove this pre delivery report and retain for future reference 9 2 ...

Page 79: ...he items below to insure they care installed correctly and operating properly Slow Moving Vehicle SMV emblem installed Safety decals installed Operator s seat is properly installed 2 FLUID LEVELS and LUBRICATION Check and top off as necessary Lubricate grease the entire machine Wipe off excess grease or oil Hydraulic fluid level of the attached tractor 3 OPERATIONAL CHECKS Perform all operating ch...

Page 80: ...bove pre delivery service was performed and corrective action taken as required Dealer Representative s Signature I have been instructed in the operation maintenance and safety features of this machine as detailed in the operator s manual Owner s Signature Date Remove this pre delivery report and retain for future reference 9 4 ...

Page 81: ...6 F Fill the bucket 5 5 G Grease fittings Lubricate 6 8 H Hardware Check 6 9 Hydraulic hoses Check 6 10 Hydraulic systems Troubleshooting 7 1 I Instructional signs 2 15 Intended use 1 2 M Machine components 1 6 Machine orientation 1 5 Maintenance chart 6 8 N Note to the Owner 1 1 P Personal safety 2 7 Positioning the backhoe 5 7 Pre delivery report Dealer s copy 9 1 Pre delivery report Owner s cop...

Page 82: ...Stabilizer lock 4 7 Storing the unit 6 11 Swing lock 4 5 T Torque Minimum tightening torques for normal assembly 6 3 Troubleshooting Foreword 7 1 U Using the backhoe 5 3 Using the stabilizers 5 2 ...

Page 83: ......

Page 84: ...re the property of those respective companies CNH Industrial America LLC reserves the right to make improvements in design and changes in specifications at any time without notice and without incurring any obligation to install them on units previously sold Specifications descriptions and illustrative material herein are as accurate as known at time of publication but are subject to change without...

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