CASE CX350B CX370B Crawler Excavator Service Repair Manual

Copyright © 2010 CNH France S.A. Printed in France CNH Lep SM350B370BTOC-2EN April 2010 CRAWLER EXCAVATOR CX350B - CX370B SERVICE MANUAL TABLE OF CONTENTS DIVISION/SECTION SECTION N° REFERENCE N° 1 GENERAL INFORMATION Safety, general information and standard torque data ..................................... 1001 7-27691EN General specifications and special torque setting ........................................... 1002 SM350B370B1002-2EN 2 ENGINE Removal and installation of the engine............................................................ 2000 SM350B2000-0EN Removal and installation of the fuel cooler, engine inter-cooler, radiator and oil cooler.................................................................................. 2001 SM350B2001-0EN Removal and installation of the turbo charger ................................................. 2004 SM350B2004-0EN Removal and installation of EGR cooler and EGR valve ................................. 2005 SM350B2005-0EN Removal and installation of the engine hood................................................... 2006 SM350B2006-0EN Engine specifications .............................................................................................. * Disassembly and assembly of the engine .............................................................. * 3 FUEL SYSTEM Removal and installation of the fuel tank ......................................................... 3001 SM350B3001-0EN Removal and installation of the supply pump and common rail ...................... 3004 SM350B3004-0EN Removal and installation of the injectors ......................................................... 3005 SM350B3005-0EN Fuel engine system ................................................................................................ * 4 ELECTRICAL SYSTEM Service connector kit ....................................................................................... 4000 SM350B4000-1EN Electrical and engine functions and service support ....................................... 4001 SM350B370B4001-0EN Removal and installation of the starter motor .................................................. 4004 SM350B4004-0EN Removal and installation of the alternator ....................................................... 4005 SM350B4005-0EN Electrical equipment and electrical circuit diagrams........................................ 4020 SM350B370B4020-0EN Engine error code (DTC) ................................................................................. 4021 SM350B4021-0EN Main body error code (DTC) ............................................................................ 4022 SM350B4022-0EN Troubleshooting, 6HK1 engine ........................................................................ 4023 SM350B4023-0EN 5 UNDERCARRIAGE Removal and installation of tracks ................................................................... 5001 SM350B5001-0EN Rollers ............................................................................................................. 5003 SM350B5003-0EN Take-up roller ................................................................................................... 5005 SM350B5005-0EN 6 DRIVE TRAIN Removal and installation of the drive motor and final drive transmission................................................................................ 6001 SM350B6001-0EN Disassembly and assembly of the drive motor and final drive transmission................................................................................ 6002 SM350B6002-0EN Removal and installation of the swing motor and swing reduction gear ................................................................................... 6003 SM350B6003-0EN Disassembly and assembly of the swing reduction gear ................................. 6004 SM350B6004-0EN 7 UNDERCARRIAGE HYDRAULICS * Consult the Engine Service Manual

Lep SM350B370BTOC-2EN Issued 04-2010 DIVISION/SECTION SECTION N° REFERENCE N° 8 UPPERSTRUCTURE HYDRAULICS Specifications, troubleshooting, checks and hydraulic pressure settings .......................................................................... 8001 SM350B370B8001-0EN Removal and installation of the hydraulic reservoir ......................................... 8002 SM350B8002-0EN Removal and installation of the main hydraulic pump...................................... 8003 SM350B8003-0EN Removal and installation of the main hydraulic control valve........................... 8004 SM350B8004-0EN Removal and installation of the attachment cylinders ...................................... 8005 SM350B8005-0EN Removal and installation of the hydraulic swivel .............................................. 8006 SM350B8006-0EN Removal and installation of the pilot blocs ....................................................... 8007 SM350B8007-0EN Disassembly and assembly of the main hydraulic pump ................................. 8010 SM350B8010-0EN Disassembly and assembly of the main hydraulic control valve ...................... 8011 SM350B8011-0EN Disassembly and assembly of the attachment cylinders ................................. 8012 SM130B8012-0EN Disassembly and assembly of the hand control levers .................................... 8013 SM130B8013-0EN Disassembly and assembly of the foot control levers ...................................... 8014 SM350B8014-0EN Disassembly and assembly of the cushion valve ............................................. 8016 SM130B8016-0EN Removal and installation of the safety valve .................................................... 8017 SM350B8017-0EN Disassembly and assembly of the swing motor ............................................... 8019 SM350B8019-0EN Hydraulic functions .......................................................................................... 8020 SM350B370B8020-0EN Hydraulic component functions........................................................................ 8030 SM350B370B8030-0EN 9 UPPERSTRUCTURE Removal and installation of the counterweight ................................................ 9002 SM350B9002-0EN Removal and installation of the boom, dipper and bucket ............................... 9003 SM350B9003-0EN Removal and installation of the seat ................................................................ 9004 SM130B9004-0EN Removal and installation of the cab and cab equipment ................................. 9005 SM130B9005-0EN Air conditioner functions and troubleshooting .................................................. 9006 SC210B9006-2EN Air conditioning unit ......................................................................................... 9007 SM130B9007-0EN Air conditioning components............................................................................ 9009 SM350B9009-0EN Large size hydraulic schematics ................................................................... Pocket KSJ12480-E01 Large size electrical schematics ................................................................... Pocket KSR11440-E02 NOTE: CNH France S.A. Company reserves the right to make changes in the specification and design of the machine without prior notice and without incurring any obligation to modify units previously sold. The description of the models shown in this manual has been made in accordance with the technical specifications known as of the date of design of this document. All data given in this manual is subject to production variations. Dimensions and weights are provided with approximate values and the machine fitting shown in the illustrations may not correspond with standard models. For precise information on specific machine models and versions, please contact your CASE dealer. Reproduction or tranlation, even partial, is prohibited without written authorization from CNH France SA Company.

1001-2 Lep 7-27691EN Issued 02-06 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 SAFETY..................................................................................................................................................................... 4 STANDARD TORQUE DATA FOR CAP SCREWS AND NUTS............................................................................... 6 WARNING : This symbol is used in this manual to indicate important safety messages. Whenever you see this symbol, carefully read the message that follows, as there is a risk of serious injury. !

1001-3 Lep 7-27691EN Issued 02-06 GENERAL INFORMATION Cleanning Clean all metal parts except bearings, in a suitable cleaning solvent or by steam cleaning. Do not use caustic soda for steam cleaning. After cleaning, dry and put oil on all parts. Clean oil passages with compressed air. Clean bearings in a suitable cleaning solvent, dry the bearings completely and put oil on the bearings. Inspection Check all parts when the parts are disassembled. Replace all parts that have wear or damage. Small scoring or grooves can be removed with a hone or crocus cloth. Complete a visual inspection for indications of wear, pitting and the replacement of parts necessary to prevent early failures. Bearings Check bearings for easy action. If bearings have a loose fit or rough action replace the bearing. Wash bearings with a suitable cleaning solvent and permit to air dry. DO NOT DRY BEARINGS WITH COMPRESSED AIR. Needle bearings Before you press needle bearings in a bore always remove any metal protrusions in the bore or edge of the bore. Before you press bearings into position put petroleum jelly on the inside and outside diameter of the bearings. Gears Check all gears for wear and damage. Replace gears that have wear or damage. Oil seals, O-rings and gaskets Always install new oil seals, O-rings and gaskets. Put petroleum jelly on seals and O-rings. Shafts Check all shafts that have wear or damage. Check the bearing and oil seal surfaces of the shafts for damage. Service parts Always install genuine Case service parts. When ordering refer to the Parts Catalog for the correct part number of the genuine Case replacement items. Failures due to the use of other than genuine Case replacement parts are not covered by warranty. Lubrication Only use the oils and lubricants specified in the Operator’s or Service Manuals. Failures due to the use of non-specified oils and lubricants are not covered by warranty.

1001-4 Lep 7-27691EN Issued 02-06 SAFETY This symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED. The message that follows the symbol contains important information about safety. Carefully read the message. Make sure you fully understand the causes of possible injury or death. ! To prevent injury always follow the Warning, Caution and Danger notes in this section and throughout the manual. Put the warning tag shown below on the key for the keyswitch when servicing or repairing the machine. One warning tag is supplied with each machine. Additional tags Part Number 331-4614 are available from your service parts supplier . WARNING: Read the operator’s manual to familiarize yourself with the correct control functions. ! WARNING: Operate the machine and equipment controls from the seat position only. Any other method could result in serious injury. ! WARNING: This is a one man machine, no riders allowed. ! WARNING: Before starting engine, study Operator’s Manual safety messages. Read all safety signs on machine. Clear the area of other persons. Learn and practice safe use of controls before operating. It is your responsibility to understand and follow manufacturers instructions on machine operation, service and to observe pertinent laws and regulations. Operator’s and Service Manuals may be obtained from your Case dealer. ! WARNING: If you wear clothing that is too loose or do not use the correct safety equipment for your job, you can be injured. Always wear clothing that will not catch on objects. Extra safety equipment that can be required includes hard hat, safety shoes, ear protection, eye or face protection, heavy gloves and reflector clothing. ! WARNING: When working in the area of the fan belt with the engine running, avoid loose clothing if possible, and use extreme caution. ! WARNING: When doing checks and tests on the equipment hydraulics, follow the procedures as they are written. DO NOT change the procedure. ! WARNING: When putting the hydraulic cylinders on this machine through the necessary cycles to check operation or to remove air from a circuit, make sure all people are out of the way. !

1001-5 Lep 7-27691EN Issued 02-06 WARNING: Use insulated gloves or mittens when working with hot parts. ! WARNING: Lower all attachments to the ground or use stands to safely support the attachments before you do any maintenance or service. ! WARNING: Pin sized and smaller streams of hydraulic oil under pressure can penetrate the skin and result in serious infection. If hydraulic oil under pressure does penetrate the skin, seek medical treatment immediately. Maintain all hoses and tubes in good condition. Make sure all connections are tight. Make a replacement of any tube or hose that is damaged or thought to be damaged. DO NOT use your hand to check for leaks, use a piece of cardboard or wood. ! WARNING: When removing hardened pins such as a pivot pin, or a hardened shaft, use a soft head (brass or bronze) hammer or use a driver made from brass or bronze and a steel head hammer. ! WARNING: When using a hammer to remove and install pivot pins or separate parts using compressed air or using a grinder, wear eye protection that completely encloses the eyes (approved goggles or other approved eye protectors). ! WARNING: Use suitable floor (service) jacks or chain hoist to raise wheels or tracks off the floor. Always block machine in place with suitable safety stands. ! WARNING: When servicing or repairing the machine, keep the shop floor and operator’s compartment and steps free of oil, water, grease, tools, etc. Use an oil absorbing material and/or shop cloths as required. Use safe practices at all times. ! WARNING: Some components of this machine are very heavy. Use suitable lifting equipment or additional help as instructed in this Service Manual. ! WARNING: Engine exhaust fumes can cause death. If it is necessary to start the engine in a closed place, remove the exhaust fumes from the area with an exhaust pipe extension. Open the doors and get outside air into the area. ! WARNING: When the battery electrolyte is frozen, the battery can explode if (1), you try to charge the battery, or (2), you try to jump start and run the engine. To prevent the battery electrolyte from freezing, try to keep the battery at full charge. If you do not follow these instructions, you or others in the area can be injured. !

1001-6 Lep 7-27691EN Issued 02-06 STANDARD TORQUE DATA FOR CAP SCREWS AND NUTS Tightening of cap screws, nuts Tighten alternately so that tightening torque can be applied evenly. The numbers in the figure below indicate the order of tightening. JS00481A Cap screws which have had Loctite used (white residue remains after removal) should be cleaned with loght oil or suitable cleaning solvent and dried. Apply 2-3 drops of Loctite to the thread portion of the cap screw and then tighten. Torque table Tighten cap screws and nuts according to the table below if there are no other special instructions. Cap Screw Name Size (Size) M6 M8 M10 M12 M14 M16 M18 M20 Cap Screw Spanner [mm] 10 13 17 19 22 24 27 30 [in.] 0.39 0.51 0.67 0.75 0.87 0.95 1.06 1.18 Tightening torque [Nm] 6.9 19.6 39.2 58.8 98.1 156.9 196.1 294.2 [lb-ft] 5.1 14.5 28.9 43.4 72.3 115.7 144.6 217 Socket Head Cap Screw Spanner [mm] 5 6 8 10 12 14 14 17 [in.] 0.20 0.24 0.32 0.39 0.47 0.55 0.55 0.67 Tightening torque [Nm] 8.8 21.6 42.1 78.5 117.7 176.5 245.2 343.2 [lb-ft] 6.5 15.9 31.1 57.9 86.9 130.2 181 253.2

Lep SM350B370B1002-2EN Issued 04-2010 1002-2 TABLE OF CONTENTS TYPE, SERIAL NUMBER AND YEAR OF MANUFACTURE OF THE MACHINE..................................................................................................... 4 Machine ....................................................................................................................................................................... 4 Engine .......................................................................................................................................................................... 4 Serial numbers of the components .............................................................................................................................. 4 FLUIDS AND LUBRICANTS ............................................................................................................................................ 5 Hydraulic fluid .............................................................................................................................................................. 5 Transmission component oil ........................................................................................................................................ 5 Grease ......................................................................................................................................................................... 5 Engine Oil .................................................................................................................................................................... 6 Engine fuel, maintenance of fuel filters and fuel storage ............................................................................................. 7 Anti-freeze/Anti-corrosion............................................................................................................................................. 9 Environment ................................................................................................................................................................. 9 Plastic and resin parts .................................................................................................................................................. 9 SPECIFICATIONS ......................................................................................................................................................... 10 Main data ................................................................................................................................................................... 10 Performance .............................................................................................................................................................. 10 Main body dimensions ............................................................................................................................................... 10 Engine ........................................................................................................................................................................ 11 Cooling system .......................................................................................................................................................... 11 Capacity of coolant and lubricants ............................................................................................................................. 11 Air conditioning .......................................................................................................................................................... 11 Hydraulic oil filter ........................................................................................................................................................ 11 Fuel filter .................................................................................................................................................................... 11 Operating devices ...................................................................................................................................................... 12 Hydraulic system........................................................................................................................................................ 13 Swing unit .................................................................................................................................................................. 15 Travel lower body ....................................................................................................................................................... 15 Work Unit ................................................................................................................................................................... 16 New Machine Performance ........................................................................................................................................ 18 COMPONENT WEIGHT................................................................................................................................................. 22 Major component weight ............................................................................................................................................ 22 Other component weight ............................................................................................................................................ 24 DIMENSIONS AND WEAR LIMIT OF THE TRACK ASSEMBLY .................................................................................. 25 Sprocket ..................................................................................................................................................................... 25 Idler wheel .................................................................................................................................................................. 26 Upper roller ................................................................................................................................................................ 27 WARNING: This symbol is used in this manual to indicate important safety messages. Whenever you see this symbol, carefully read the message which follows. Your safety depends on it. !

You're Reading a Preview

CASE CX350B CX370B Crawler Excavator Service Repair Manual

Description

Reviews

Q&A

Recently Viewed