Copyright © 2014 CNH Industrial America LLC. All Rights Reserved. SERVICE MANUAL Part number 47711658 1st edition English May 2014 SR175 SV185 Tier 4B (final) Alpha Series Skid Steer Loader SR175 PIN NEM465956 and above SV185 PIN NEM466759 and above
Safety and main relief valves
Main control valve
Contents INTRODUCTION Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [10.001] Engine and crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1 [10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2 Front axle system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chain drive system Rear axle system [27.650] Chain drive system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.1 Hydrostatic drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic transmission T assembly Mechanical control Pump and motor components Brakes and controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10] Parking brake parking lock Hydraulic systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [35.000] Hydraulic systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.1 [35.104] Fixed displacement pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.2 [35.128] Auxiliary hydraulic function control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.3 Reservoir
, cooler , and filters
High flow hydraulics
bucket
system
hydraulic system control 4771 1658 06/05/2014
Front loader arm hydraulic system Front loader
hydraulic
Front loader
Fuel injection system
Fuel tank system
Engine cooling system
Engine intake and exhaust system
Engine control system
Hydrostatic drive control system
Parking brake electrical system
Hydraulic system control Harnesses and connectors
External lighting Cab controls Cab engine controls
T ool quick coupler hydraulic system 1 Frames and ballasting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [39.140] Ballasts and supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39.1 Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front wheels Rear wheels Cab climate control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [50.100] Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.1 [50.200] Air conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.2 Electrical systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical system
Battery 1
Electronic
F AUL T CODES
[82.100] Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.1 4771 1658 06/05/2014
modules
Front loader and bucket
Bucket Platform, cab, bodywork, and decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [90.154] Cab doors and hatches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.1 4771 1658 06/05/2014
INTRODUCTION 4771 1658 06/05/2014 1
Contents INTRODUCTION Foreword - Important notice regarding equipment servicing (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety rules (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Safety rules - Personal safety (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Safety rules - Ecology and the environment (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 T orque - Minimum tightening torques for normal assembly (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 T orque - Standard torque data for hydraulics (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic instructions - Shop and assembly (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic contamination – Contamination (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General specification - Left - hand instrument cluster (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General specification - Electronic Instrument Cluster (EIC) (*) General specification - Advanced Instrument Cluster (AIC) (*) General specification - Biodiesel fuels (*) Capacities Product identification Product identification (*) (*) See content for specific models 4771 1658 06/05/2014 2
Foreword - Important notice regarding equipment servicing SR175
All repair and maintenance work listed this manual must carried out only qualified dealership strictly complying with the instructions and whenever the special
Anyone who performs repair and maintenance operations without complying with the procedures provided herein shall responsible for any subsequent
The manufacturer and all the organizations its distribution including - without limitationlocal reject any responsibility for damages caused parts and / components not approved the manufacturer , including those used for the servicing repair the product manufactured marketed the manufacturer . any warranty given attributed the product manufactured marketed the manufacturer case damages caused parts and / components not approved the manufacturer
The information this manual - - date the date the the policy the manufacturer for continuous Some information could not updated due modifications a technical commercial type, changes the laws and regulations dif ferent countries.
case refer your CASE CONSTRUCTION Sales and Service
INTRODUCTION
SV185
4771 1658 06/05/2014 3
Safety rules
SR175 SV185
Personal safety
This the safety alert used alert you potential personal injury Obey all safety messages that follow this symbol avoid possible death injury
Throughout this manual you will find the signal words DANGER, W ARNING, and CAUTION followed special These precautions are intended for the personal safety you and those working with
Read and understand all the safety messages this manual before you operate service the machine.
DANGER indicates a hazardous situation that, not avoided, will result death serious injury .
W ARNING indicates a hazardous situation not could result death serious injury
CAUTION indicates a hazardous situation not could result minor moderate injury
F AILURE T O FOLLOW DANGER, W ARNING, AND CAUTION MESSAGES COULD RESUL T DEA SERIOUS INJUR Y .
Machine safety
NOTICE: Notice indicates a situation not could result machine property
Throughout this manual you will find the signal word Notice followed special instructions prevent machine property The word Notice used address practices not related personal safety
Information
NOTE: Note indicates additional information that clarifies other information this Throughout this manual you will find the word Note followed additional information about a other information the The word Note not intended address personal safety property
INTRODUCTION
4771 1658 06/05/2014 4
Safety rules - Personal safety
SR175 SV185
Carefully study these precautions, and those included the external attachment operators manual, and insist that they followed those working with and for you.
Thoroughly read and understand this manual and the attachment Operator ’ s Manual before operating this any other
Be sure all people and pets are clear the machine before starting. Sound the horn, equipped, three times before starting
Only the operator should the machine when operation. Never allow anyone climb the machine while the machine equipped with Instructors this must only used for training Passengers must not allowed use the Instructors
Keep all shields
Never work around the machine any the attachments while wearing loose clothing that might catch moving
Observe the following precautions whenever lubricating the machine making adjustments.
• Disengage all clutching levers
• Lower the the ground raise the attachment completely and engage the cylinder safety Completing these actions will prevent the attachment from lowering unexpectedly
• Engage the parking brake.
• Shut f the engine and remove the key
• W ait for all machine movement stop before leaving the operators platform.
Always keep the machine gear while travelling
The machine should always equipped with suf ficient front rear axle weight for safe operation.
Under some field more weight may required the front rear axle for adequate stability This especially important when operating hilly conditions / when using heavy
Always lower the shut f the set the parking engage the transmission remove the key and wait for all machine movement stop before leaving the operators
the attachment machine should become obstructed plugged; set the parking shut f the engine and remove the key , engage the transmission wait for all machine attachment motion come a before leaving the operators platform removing the obstruction
1 Never disconnect make any adjustments the hydraulic system unless the machine and / the attachment lowered the ground the safety lock(s) the engaged
Use the flashing lights highly recommended when operating a public
When transporting a road highway , use accessory lights and devices for adequate warning the tors other vehicles. this regard, check local government regulations. V arious safety lights and devices are available from your CASE CONSTRUCTION dealer
14. Practice safety 365 days a year .
Keep all your equipment safe operating
Keep all guards and safety devices
Always set the parking shut f the engine and remove the key , engage the transmission wait for all machine attachment motion come a before leaving the operators platform service the machine and
Remember: A careful operator the best insurance against 19. Extreme care should taken keeping hands and clothing away from moving parts.
INTRODUCTION
4771 1658 06/05/2014 5
Safety rules - Ecology and the environment
SR175
SV185
Soil, air , and water are vital factors agriculture and life general. When legislation does not yet rule the treatment some the substances required advanced technology , sound judgment should govern the use and disposal products a chemical and petrochemical
NOTE: The following are recommendations that may assistance:
• Become acquainted with and ensure that you understand the relative legislation applicable your country
• Where legislation exists, obtain information from suppliers oils, filters, batteries, fuels, antifreeze, cleaning with regard their fect man and nature and how safely and dispose these
• Agricultural consultants many able help you
Helpful hints
• A void filling tanks using cans inappropriate pressurized fuel delivery systems that may cause considerable
• avoid skin contact with all
Most them contain substances that may harmful your
• Modern oils contain additives. not burn contaminated fuels and waste oils ordinary heating systems.
• A void spillage when draining f used engine coolant gearbox and hydraulic brake not mix drained brake fluids fuels with Store them safely until they can disposed a proper way comply with local legislation and available
• Modern coolant antifreeze and other should replaced every two They should not allowed get into the but should collected and disposed properly
• not open the air - conditioning system contains gases that should not released into the
our CASE CONSTRUCTION dealer air conditioning specialist has a special extractor for this purpose and will have recharge the system properly
• Repair any leaks defects the engine cooling hydraulic system immediately
• not increase the pressure a pressurized circuit this may lead a component
• Protect hoses during welding penetrating weld splatter may burn a hole weaken allowing the loss
INTRODUCTION
Y
4771 1658 06/05/2014 6
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T orque - Minimum tightening torques for normal assembly
INTRODUCTION
SR175 SV185 METRIC NON - FLANGED HARDW ARE NOM. SIZE CLASS 8.8 BOL T and CLASS 8 NUT CLASS 10.9 BOL T and CLASS NUT LOCKNUT CL.8 W / CL8.8 BOL T LOCKNUT CL.10 W / CL10.9 BOL T UNPLA TED PLA TED W / ZnCr UNPLA TED PLA TED W / ZnCr N·m ( ) N·m ( ) N·m ( ) N·m ( ) 2 N·m ( ) N·m ( ) N·m ( ) N·m ( ) N·m ( ) N·m ( ) 4 N·m ( ) N·m ( ) 7.5 N·m ( ) N·m ( ) 1 1 N·m ( ) N·m ( 128 ) 6.8 N·m ( ) N·m ( ) N·m ( 163 ) N·m ( 217 ) N·m ( 234 ) N·m ( 1 ) N·m ( 151 ) N·m ( 212 ) M10 ( ) N·m ( ) ( ) N·m ( ) N·m ( ) N·m ( ) M12 ( ) ( ) ( ) 121 ( ) ( ) ( ) M16 158 ( 1 ) 210 ( 155 ) 225 ( 166 ) 301 ( 222 ) 143 ( 106 ) 205 ( 151 ) M20 319 ( 235 ) 425 N·m ( 313 ) 440 ( 325 ) 587 ( 433 ) 290 ( 214 ) 400 ( 295 ) M24 551 N·m ( 410 ) 735 N·m ( 500 ) 762 N·m ( 560 ) 1016 N·m ( 750 ) 501 N·m ( 370 ) 693 N·m ( 510 ) NOTE: through hardware torque specifications are shown poundinches. M10 through M24 hardware torque specifications are shown pound4771 1658 06/05/2014 7
INTRODUCTION METRIC FLANGED HARDW ARE NOM. SIZE CLASS 8.8 BOL T and CLASS 8 NUT CLASS 10.9 BOL T and CLASS NUT LOCKNUT CL.8 W / CL8.8 BOL T LOCKNUT CL.10 W / CL10.9 BOL T UNPLA TED PLA TED W / ZnCr UNPLA TED PLA TED W / ZnCr 2.4 N·m ( ) 3.2 N·m ( ) 3.5 N·m ( ) 4.6 N·m ( ) 2.2 N·m ( ) 3.1 N·m ( ) 4.9 N·m ( ) 6.5 N·m ( ) 7.0 N·m ( ) 9.4 N·m ( ) 4.4 N·m ( ) 6.4 N·m ( ) 8.3 ( ) 1 1 ( ) ( 105 ) ( 141 ) 7.5 ( ) 1 1 ( ) ( 179 ) ( 240 ) ( 257 ) ( 343 ) ( 163 ) ( 240 ) M10 N·m ( ) N·m ( ) N·m ( ) N·m ( ) N·m ( ) N·m ( ) M12 N·m ( ) N·m ( ) 100 N·m ( ) 134 N·m ( ) N·m ( ) N·m ( ) M16 174 N·m ( 128 ) 231 N·m ( 171 ) 248 N·m ( 183 ) 331 N·m ( 244 ) 158 N·m ( 1 ) 226 N·m ( 167 ) M20 350 N·m ( 259 ) 467 N·m ( 345 ) 484 N·m ( 357 ) 645 N·m ( 476 ) 318 N·m ( 235 ) 440 N·m ( 325 ) M24 607 N·m ( 447 ) 809 N·m ( 597 ) 838 N·m ( 618 ) 1 1 N·m ( 824 ) 552 N·m ( 407 ) IDENTIFICA TION Metric Hex head and carriage bolts, classes 5.6 and 20083680 1 Identification Property Class Metric Hex nuts and locknuts, classes and 20083681 2 4771 1658 06/05/2014 8
INTRODUCTION Identification Property Class Clock Marking Property Class and Identification marks ° apart indicate Class and marks 120 ° apart indicate Class INCH NON - FLANGED HARDW ARE NOMINAL SIZE SAE GRADE 5 BOL T and NUT SAE GRADE 8 BOL T and NUT LOCKNUT GrB W / Gr5 BOL T LOCKNUT GrC W / Gr8 BOL T UNPLA TED PLA TED SIL VER PLA TED W / ZnCr GOLD UNPLA TED PLA TED SIL VER PLA TED W / ZnCr GOLD 1 / 4 8 N·m ( ) 1 1 N·m ( ) ( 106 ) ( 142 ) 8.5 ( ) 12.2 N·m ( 109 ) 5 / ( 150 ) ( 204 ) ( 212 ) ( 283 ) 17.5 ( 155 ) ( 220 ) 3 / 8 ( ) ( ) ( ) ( ) N·m ( ) N·m ( ) 7 / N·m ( ) N·m ( ) N·m ( ) N·m ( ) N·m ( ) N·m ( ) 1 / 2 N·m ( ) N·m ( ) 104 N·m ( ) 139 N·m ( 103 ) N·m ( ) 108 N·m ( ) 9 / 107 N·m ( ) 142 N·m ( 105 ) 150 N·m ( 1 1 1 ) 201 N·m ( 148 ) 1 1 1 N·m ( ) 156 N·m ( 1 ) 5 / 8 147 N·m ( 108 ) 196 N·m ( 145 ) 208 N·m ( 153 ) 277 N·m ( 204 ) 153 N·m ( 1 ) 215 N·m ( 159 ) 3 / 4 261 N·m ( 193 ) 348 N·m ( 257 ) 369 N·m ( 272 ) 491 N·m ( 362 ) 271 N·m ( 200 ) 383 N·m ( 282 ) 7 / 8 420 ( 310 ) 561 ( 413 ) 594 ( 438 ) 791 ( 584 ) 437 N·m ( 323 ) 617 N·m ( 455 ) 1 630 ( 465 ) 841 ( 620 ) 890 ( 656 ) 1 187 ( 875 ) 654 ( 483 ) 924 ( 681 ) NOTE: For Imperial 1 / 4 and 5 / hardware torque specifications are shown pound - 3 / 8 through 1 hardware torque specifications are shown pound4771 1658 06/05/2014 9
IDENTIFICA TION
INCH FLANGED HARDW ARE NOMINAL SIZE SAE GRADE 5 BOL T and NUT SAE GRADE 8 BOL T and NUT LOCKNUT GrF W / Gr5 BOL T LOCKNUT GrG W / Gr8 BOL T UNPLA TED PLA TED SIL VER PLA TED W / ZnCr GOLD UNPLA TED PLA TED SIL VER PLA TED W / ZnCr GOLD 1 / 4 9 ( ) N·m ( 106 ) N·m ( 1 ) N·m ( 150 ) 8 ( ) N·m ( 106 ) 5 / N·m ( 168 ) N·m ( 221 ) N·m ( 230 ) N·m ( 310 ) N·m ( 150 ) N·m ( 212 ) 3 / 8 ( ) ( ) ( ) ( ) ( ) ( ) 7 / ( ) ( ) ( ) 100 ( ) N·m ( ) N·m ( ) 1 / 2 N·m ( ) 108 N·m ( ) 1 N·m ( ) 153 N·m ( 1 ) N·m ( ) 104 N·m ( ) 9 / 1 N·m ( ) 156 N·m ( 1 ) 165 N·m ( 122 ) 221 N·m ( 163 ) 106 N·m ( ) 157 N·m ( 1 ) 5 / 8 162 N·m ( 1 ) 216 N·m ( 159 ) 228 N·m ( 168 ) 304 N·m ( 225 ) 147 N·m ( 108 ) 207 N·m ( 153 ) 3 / 4 287 N·m ( 212 ) 383 N·m ( 282 ) 405 N·m ( 299 ) 541 N·m ( 399 ) 261 N·m ( 193 ) 369 N·m ( 272 ) 7 / 8 462 N·m ( 341 ) 617 N·m ( 455 ) 653 N·m ( 482 ) 871 N·m ( 642 ) 421 N·m ( 1 ) 594 N·m ( 438 ) 1 693 N·m ( 512 ) 925 ( 682 ) 979 ( 722 ) 1305 ( 963 ) 631 N·m ( 465 ) 890 N·m ( 656 )
INTRODUCTION
Inch Bolts and free - spinning nuts 20083682 3 Grade Marking Examples SAE Grade Identification 1 Grade 2 - Marks 4 Grade 2 Nut - Marks 2 Grade 5 - Three Marks 5 Grade 5 Nut - Marks 120 ° Apart 3 Grade 8 - Five Marks 6 Grade 8 Nut - Marks ° Apart 4771 1658 06/05/2014
Inch Lock Nuts, All Metal (Three optional methods)
INTRODUCTION
20090268 4 Grade Identification Grade Corner Marking Method (1) Flats Marking Method (2) Clock Marking Method (3) Grade A Notches Mark Marks Grade B One Circumferential Notch Letter B Three Marks Grade C T Circumferential Notches Letter C Six Marks 4771 1658 06/05/2014 1 1
