Case CX57C, Service Manual

Page 1: ...1 1 CX57C Mini Excavator SERVICE MANUAL Mini Excavator CX57C Part number 51452080 English March 2018 2018 CNH Industrial Italia S p A All Rights Reserved SERVICE MANUAL Part number 51452080 ...

Page 2: ...SERVICE MANUAL CX57C Cab Tier IV final engine 51452080 20 06 2018 EN ...

Page 3: ...muffler 10 10 10 501 Exhaust Gas Recirculation EGR exhaust treatment 10 11 10 400 Engine cooling system 10 12 10 414 Fan and drive 10 13 10 304 Engine lubrication system 10 14 Hydraulic systems 35 35 000 Hydraulic systems 35 1 35 300 Reservoir cooler and filters 35 2 35 106 Variable displacement pump 35 3 35 359 Main control valve 35 4 35 357 Pilot system 35 5 35 355 Hydraulic hand control 35 6 35...

Page 4: ...Frames and ballasting 39 39 140 Ballasts and supports 39 1 Tracks and track suspension 48 48 100 Tracks 48 1 48 130 Track frame and driving wheels 48 2 48 134 Track tension units 48 3 48 138 Track rollers 48 4 Cab climate control 50 50 100 Heating 50 1 50 200 Air conditioning 50 2 Electrical systems 55 55 000 Electrical system 55 1 55 100 Harnesses and connectors 55 2 55 525 Cab engine controls 55...

Page 5: ...more information Please click here Then get the complete manual NOTE If there is no response to click on the link above please download the PDF document first and then click on it Have any questions please write to me admin servicemanualperfect com ...

Page 6: ... 518 Wiper and washer system 55 16 55 404 External lighting 55 17 55 514 Cab lighting 55 18 55 408 Warning indicators alarms and instruments 55 19 55 DTC FAULT CODES 55 20 Booms dippers and buckets 84 84 910 Boom 84 1 84 912 Dipper arm 84 2 84 100 Bucket 84 3 Dozer blade and arm 86 86 110 Dozer blade 86 1 Platform cab bodywork and decals 90 90 150 Cab 90 1 90 120 Mechanically adjusted operator sea...

Page 7: ...INTRODUCTION 51452080 20 06 2018 1 ...

Page 8: ... Standard torque settings 10 Torque Special torque settings 12 Basic instructions Shop and assembly 13 Machine specifications 15 Weights 17 Dimensions 18 Conversion factors 20 Hydraulic contamination 32 General specification 33 Fluids and lubricants 35 Consumables Engine oil recommended operating temperature range 39 Product identification 40 Product identification Machine orientation 43 51452080 ...

Page 9: ...parts and or components not approved by the manu facturer including those used for the servicing or repair of the product manufactured or marketed by the manufacturer In any case no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and or components not approved by the manufacturer The manufacturer reserves the right to m...

Page 10: ...th 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 signal word Notice followed b...

Page 11: ...be inserted Gear Check that there is no wear and no damage Oil seal O ring gasket Always install new oil seals O rings and gaskets Apply grease to sections where oil seals and O rings will be inserted Shaft Check that there is no wear and no damage Check the bearings and check for damaged oil seals on the shaft Service parts Install CASE CONSTRUCTION genuine service parts When placing an order che...

Page 12: ...esult in death or serious injury W1036A Lifting operation WARNING Crushing hazard The lifting systems must be operated by qualified personnel who are aware of the correct procedures to follow Make sure all lifting equipment is in good condition and all hooks are equipped with safety latches Failure to comply could result in death or serious injury W0256A WARNING Heavy objects Lift and handle all h...

Page 13: ...A Battery WARNING Battery acid causes burns Batteries contain sulfuric acid Avoid contact with skin eyes or clothing Antidote external Flush with water Antidote eyes flush with water for 15 minutes and seek medical attention immediately Antidote internal Drink large quantities of water or milk Do not induce vomiting Seek medical attention immediately Failure to comply could result in death or seri...

Page 14: ...s or per forming work on the hydraulic system Before applying pressure make sure 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 Chemical ...

Page 15: ...ow coolant mixtures to get into the soil Collect and dispose of coolant mixtures properly The air conditioning system contains gases that should not be released into the atmosphere Consult an air condi tioning specialist or use a special extractor to recharge the system properly Repair any leaks or defects in the engine cooling system or hydraulic system immediately Do not increase the pressure in...

Page 16: ...N m 5 90 8 90 lb ft M12 x 1 25 10 58 15 73 N m 7 80 11 60 lb ft 14 37 21 69 N m 10 60 16 00 lb ft M14 x 1 5 18 03 24 54 N m 13 30 18 10 lb ft 24 27 32 68 N m 17 90 24 10 lb ft M16 x 1 5 26 98 36 47 N m 19 90 26 90 lb ft 36 06 48 81 N m 26 60 36 00 lb ft M18 x 1 5 38 78 59 11 N m 28 60 43 60 lb ft 52 06 70 50 N m 38 40 52 00 lb ft M20 x 1 5 54 23 73 21 N m 40 00 54 00 lb ft 72 40 97 89 N m 53 40 72...

Page 17: ...19 mm 0 75 in 39 18 N m 28 90 lb ft 3 8 22 mm 0 87 in 49 08 N m 36 20 lb ft 1 2 27 mm 1 06 in 93 14 N m 68 70 lb ft 3 4 36 mm 1 42 in 176 26 N m 130 00 lb ft 1 41 mm 1 61 in 206 08 N m 152 00 lb ft 1 1 4 50 mm 1 97 in 343 02 N m 253 00 lb ft 51452080 20 06 2018 11 ...

Page 18: ...M16 2 0 246 8 336 2 N m 182 0 248 0 lb ft Swing bearing upper mounting bolt M16 2 0 246 8 336 2 N m 182 0 248 0 lb ft Swing bearing lower mounting bolt M16 2 0 246 8 336 2 N m 182 0 248 0 lb ft Power train system Travel motor mounting bolt M14 2 0 176 9 216 3 N m 130 5 159 5 lb ft Sprocket mounting bolt M14 2 0 172 9 212 2 N m 127 5 156 5 lb ft Track roller support mounting bolt and nut M18 2 0 36...

Page 19: ...on tool Do not tap the seal with a hammer or mallet 6 While you insert the seal check that the seal is perpendicular to the seat When the seal settles make sure that the seal makes contact with the thrust element if required 7 To prevent damage to the seal lip on the shaft position a protective guard during installation operations O ring seals Lubricate the O ring seals before you insert them in t...

Page 20: ... ground cable from the machine battery The electronic monitoring system and charging system will be damaged if this is not done 5 Remove the battery ground cable Reconnect the cable when you complete welding WARNING Battery acid causes burns Batteries contain sulfuric acid Avoid contact with skin eyes or clothing Antidote external Flush with water Antidote eyes flush with water for 15 minutes and ...

Page 21: ...g speed 2300 2350 RPM Low idling speed 900 1100 RPM Rated fuel consumption 176 g Hp hr at 2400 RPM Starting motor 12 V 3 0 kW Alternator 12 V 100 A Battery 1 x 12 V x 100 A h Main pump Type Variable displacement tandem axis piston pumps Capacity 2 x 27 5 cm rev 1 7 in rev Maximum pressure 21581 kPa 3130 psi Rated oil flow 2 x 57 8 L min 15 3 US gpm Rated speed 2100 RPM Gear pump Type Fixed displac...

Page 22: ...r Cushion Extend only Bore diameter x Rod diameter x Stroke Ø 90 mm 3 5 in x Ø 55 mm 2 2 in x 850 mm 33 5 in Arm cylinder Cushion Extend and retract Bore diameter x Rod diameter x Stroke Ø 80 mm 3 1 in x Ø 50 mm 2 0 in x 660 mm 26 0 in Bucket cylinder Cushion Extend only Bore diameter x Rod diameter x Stroke Ø 110 mm 4 3 in x Ø 60 mm 2 4 in x 219 mm 8 6 in Dozer blade Cushion Extend only NOTE disc...