Case CX17B Service Manual
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Case CX17B Service Manual

Case CX17B Service Manual

Mini excavator
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CX17B
Mini Excavator
SERVICE MANUAL
Print No. 84345206
From serial No. PU09-08001

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Summary of Contents for Case CX17B

  • Page 1 CX17B Mini Excavator SERVICE MANUAL Print No. 84345206 From serial No. PU09-08001...
  • Page 2 CX17B Mini Excavator SERVICE MANUAL Print No. 84345206 From serial No. PU09-08001 Find manuals at https://best-manuals.com...
  • Page 3 41100 MODENA - Italy Carefully read this manual to obtain correct information regarding repair procedures. For any question or remark, or in case of any error in the contents of this manual, please contact: REFERENCE Beyond this Service Manual, also refer to the documents listed below: - Operator’s Manual...
  • Page 4 TO PREVENT ACCIDENTS Most of the accidents and injuries occurring in the factory, at home or on the road are caused by the failure to follow simple and fundamental safety rules or precautions. For this reason, MOST ACCIDENTS CAN BE PREVENTED by recognizing the real cause and taking the necessary precautions before the accident occurs.
  • Page 5 GENERAL SAFETY INFORMATION 3) CAUTION- Indicates a potentially hazardous situation which, if not avoided, may result in mi- nor or moderate injury. It may also be used to alert against possible damage to the machine and its components and is represented as fol- Do not operate or perform any maintenance on this lows: machine until all instructions found in the OPERA-...
  • Page 6 SAFETY PRECAUTIONS stands, capable of supporting the machine, before performing any disassembly. The proper and safe lubrication and maintenance Do not operate this machine unless you have for this machine, recommended by Manufacturer, read and understand the instructions in the OP- are outlined in the OPERATOR’S MANUAL for the ERATOR’S MANUAL.
  • Page 7 (13)Always use the proper tools that are in good condi- (21)Do not operate a machine if any rotating part is tion and that are suited for the job at hand. Be sure damaged or contacts any other part during opera- you understand how to use them before performing tion.
  • Page 8 Find manuals at https://best-manuals.com...
  • Page 9 NOTE: This Manual is prepared as a technical material in This Manual may be properly revised due to the im- which the information necessary for the maintenance provement of products, modification of specifications, and repairing services of our hydraulic excavators are etc.

  • Page 10: Table Of Contents

    1. OUTLINE 1. OUTLINE TABLE OF CONTENTS GENERAL PRECAUTIONS FOR REPAIRS ............1-3 1.1.1 PREPARATION BEFORE DISASSEMBLING ..........1-3 1.1.2 SAFETY IN DISASSEMBLING AND ASSEMBLING ........1-3 1.1.3 DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT ..1-4 1.1.4 ELECTRICAL EQUIPMENT ................1-6 1.1.5 HYDRAULIC PARTS ..................1-7 1.1.6 WELDING REPAIR ..................1-7 1.1.7 ENVIRONMENTAL MEASURE ..............1-7...

  • Page 12: General Precautions For Repairs

    1. OUTLINE GENERAL PRECAUTIONS FOR REPAIRS 1.1.1 PREPARATION BEFORE DISASSEMBLING Read Operator’s Manual before disassembling (1) Understanding operating procedure Read OPERATOR'S MANUAL carefully to understand the operating procedure. (2) Cleaning machines Remove soil, mud, and dust from the machine before carrying it into the service shop to prevent loss of work efficiency, damage of parts, and difficulty in rust prevention and dust protection while reassembling.

  • Page 13: Disassembling And Assembling Hydraulic Equipment

    1. OUTLINE 1.1.3 DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT (1) Removing hydraulic equipment 1. Before disconnecting pipes, release the hydraulic pressure of the system, or open the return side cover and take out the filter. 2. Carefully drain oil of the removed pipes into a containers without spilling on the floor. 3.
  • Page 14 1. OUTLINE (5) Installing hydraulic equipment 1. Ensure hydraulic oil and lubricant are properly supplied. 2. Perform air bleeding when : a. Hydraulic oil changed b. Parts of suction side piping replaced c. Hydraulic pump installed d. Slewing motor installed e.

  • Page 15: Electrical Equipment

    1. OUTLINE 1.1.4 ELECTRICAL EQUIPMENT (1) Do not disassemble electrical equipment. (2) Handle it carefully not to drop and give a shock. (3) Turn the key OFF prior to connecting and disconnecting work. (4) Disconnect the connector by holding it and pressing the lock. Do not pull the wire to apply force to the caulking portion.

  • Page 16: Hydraulic Parts

    1. OUTLINE 1.1.5 HYDRAULIC PARTS (1) O-ring • Ensure O-rings have elasticity and are not damaged before use. • Use the appropriate O-rings. O-rings are made of various kinds of materials having different hardness to apply to a variety of parts, such as the part for moving or fixed portion, subjected to high pressure, and exposed to corrosive fluid, even if the size is same.

  • Page 17: International Unit Conversion System (Based On Marks' Standard Handbook For Mechanical Engineers)

    1. OUTLINE INTERNATIONAL UNIT CONVERSION SYSTEM (Based on MARKS' STANDARD HANDBOOK FOR MECHANICAL ENGINEERS) Base units Introduction Table 1-1 Although this manual includes International System of Unit Derived units and Foot-Pound System of Units, if you need SI unit, refer of base units Supplemen Table 1-3...
  • Page 18 1. OUTLINE (5) Prefixes of SI (6) Unit Conversion Table 1-5 Table 1-6 PREFIX SYMBOL MULTIPLICATION FACTORS QUANTITY Gravitational CONVERSION FACTOR giga Mass mega Force 1 kgf=9.807 N kilo Torque kgf•m N•m kgf•m=9.807 N•m hecto Pressure kgf/cm MPa 1 kgf/cm =0.09807 MPa deca Motive...
  • Page 19 1. OUTLINE 1-10...
  • Page 20 2. SPECIFICATIONS 2. SPECIFICATIONS TABLE OF CONTENTS COMPONENTS NAME ..................2-3 MACHINE DIMENSIONS ..................2-4 SPECIFICATIONS AND PERFORMANCE ............2-5 MACHINE & COMPONENTS WEIGHT (DRY) ............2-6 TRANSPORTATION .....................2-8 TYPE OF CRAWLER SHOES ................2-11 TYPE OF BUCKET ....................2-12 ENGINE SPECIFICATIONS .................2-13 2.8.1 SPECIFICATIONS ..................2-13 2.8.2 ENGINE PERFORMANCE CURVE .............2-14...

  • Page 22: Components Name

    2. SPECIFICATIONS COMPONENTS NAME ARM CYLINDER BUCKET CYLINDER CANOPY IDLER LINK SWING CYLINDER BUCKET LINK FUEL TANK BOOM RADIATOR & OIL COOLER BUCKET AIR CLEANER BOOM CYLINDER DOZER CYLINDER BATTERY DOZER SHOE FRONT IDLER ENGINE IDLER ADJUST LOWER ROLLER COUNTERWEIGHT CONTROL VALVE SLEWING MOTOR GUARD...

  • Page 23: Machine Dimensions

    2. SPECIFICATIONS MACHINE DIMENSIONS (1) CANOPY Unit : mm(ft-in) 3420(11'2.6") 1510(4'11.4") 1200(3'11.2") 990(39.0") 640(25.2") 230(9.1") 1150(3'9.3") 760(29.9") 1210(3'11.6") 990(39.0") 1560(5'1.4") 1090(3'3.9) 1890(6'2.4") 1320(4'4.0) (2) CAB Unit : mm(ft-in) 3440(11'3.4") 1630(5'4.2") 1320(4'4.0") 990(39.0") 755(29.7") 230(9.1") 1150(3'9.3") 760(29.9") 1210(3'11.6") 990(39.0") 1560(5'1.4") 1090(3'3.9) 1890(6'2.4") 1320(4'4.0)

  • Page 24: Specifications And Performance

    2. SPECIFICATIONS SPECIFICATIONS AND PERFORMANCE (1) SPEED AND GRADEABILITY Item Rubber crawler beit Iron crawler shos Slewing Speed 8.6 min (8.6 rpm) Low (1st) High (2nd) Low (1st) High (2nd) Travel Speed 2.0 km/h 4.0 km/h 1.8 km/h 3.6 km/h Gradeability 58% (30°) (2) ENGINE...

  • Page 25: Machine & Components Weight (Dry)

    2. SPECIFICATIONS MACHINE & COMPONENTS WEIGHT (DRY) Unit : kg (lbs) RUBBER SELT IRON SHOE ITEM CANOPY CANOPY 1,620 1,730 1,680 1,790 COMPLETE MACHINE (3,570) (3,810) (3,700) (3,950) 1 UPPER FRAME ASSEMBLY 796 (1,760) 906 (2,000) 796 (1,760) 906 (2,000) (Assembly of following : ) 1.1 UPPER FRAME 150 (331)
  • Page 26 2. SPECIFICATIONS 1. Marks show dry weight 2. Bucket weight is shown with Japanese standard bucket weight.

  • Page 27: Transportation

    2. SPECIFICATIONS TRANSPORTATION (1) LOADING MACHINE ON A TRAILER 1. Keep trailer bed clean. Put chocks against truck wheels. 2. Use a ramp or loading deck. Ramps must be strong enough, have a low angle, and correct height. Load and unload machine on a level surface.
  • Page 28 2. SPECIFICATIONS 2. ARM & BUCKET (Japanese standard bucket) L X H X W 1,750 X 350 X 450 mm (ft-in) (5'8.9" X 1'1.8" X 1'5.7") Weight kg (lbs) 100 (221) 3. ARM L X H X W 1,260 X 330 X 250 mm (ft-in) (4'1.6"...
  • Page 29 2. SPECIFICATIONS 5. DOZER w/o cylinder weight L X H X W ; 910 X 250 X 1,320 / 990 Ret / Exp mm (in) (2'11.6" X 9.8" X 4'4.0" / 3'3.0") Weight kg (lb) 74 (163) 2-10...

  • Page 30: Type Of Crawler Shoes

    2. SPECIFICATIONS TYPE OF CRAWLER SHOES Ground pressure Width Total Crawler width kPa (psi) Type mm (in) mm (ft•in) CANOPY Rubber belt Retracted ; 990 (3’3.0") (9.1") Expanded ; 1320 (4’4.0") (3.9) (4.2) Iron shoe (Optional) Retracted ; 990 (3’3.0") (9.1") Expanded ;...

  • Page 31: Type Of Bucket

    2. SPECIFICATIONS TYPE OF BUCKET Heaped Outer width mm (in) Weight Type Capacity Number of tooth kg (lbs) with side cutter without side cut (cu yd) Bucket 0.044 (0.058) (1'5.7") (1'4.5") (77) this table shows Japanese standard bucket. 2-12...

  • Page 32: Engine Specifications

    2. SPECIFICATIONS ENGINE SPECIFICATIONS 2.8.1 SPECIFICATIONS Engine Model L3E-W431KBS Type Water-cooled, 4-cycle type Swifl chamber type diesel engine No. of cylinders - Bore × Stroke 3 - 76 mm × 70 mm (3 - 3.00" × 2.76") Total displacement 952 ml (58.1 cu•in) Compression ratio 23 : 1 Rated output...

  • Page 33: Engine Performance Curve

    2. SPECIFICATIONS 2.8.2 ENGINE PERFORMANCE CURVE Model : L3E-W431KBS Rated Output : 11.3 kW / 2,200 min (15.4 PS / 2,200 rpm) 2-14...
  • Page 34 3. ATTACHMENT DIMENSIONS 3. ATTACHMENT DIMENSIONS TABLE OF CONTENTS BOOM ........................3-3 3.1.1 BOOM DIMENSIONAL DRAWINGS ............3-3 3.1.2 BOOM MAINTENANCE STANDARDS ............3-4 ARM ........................3-8 3.2.1 ARM DIMENSIONAL DRAWINGS .............. 3-8 3.2.2 ARM MAINTENANCE STANDARDS ............3-10 BUCKET ......................3-14 3.3.1 BUCKET DIMENSIONAL DRAWINGS ............

  • Page 36: Boom

    3. ATTACHMENT DIMENSIONS BOOM 3.1.1 BOOM DIMENSIONAL DRAWINGS Boom Dimensional Drawings NAME DIMENSIONS [mm(ft-in)] Boom length 1750 (5'8.90") Distance between pins of boss R890.5 (R2'11.06") Distance between pins of bracket R887.5 (R2'10.94") Height of boom cylinder rod pin 261 (10.28") Height of arm cylinder (head side) pin 535 (1'9.06") Boom foot width...

  • Page 37: Boom Maintenance Standards

    3. ATTACHMENT DIMENSIONS 3.1.2 BOOM MAINTENANCE STANDARDS (1) Clearance of pin and bushing on boom section Clearance of pin and bushing on boom section Unit : mm (in) Standard dimensions Clearance Tolerance Standard Pos. Item Pin part No. Remedy Tolerance Standard Service- Pin dia.
  • Page 38 3. ATTACHMENT DIMENSIONS This page is blank for editing convenience.
  • Page 39 3. ATTACHMENT DIMENSIONS (2) Clearance in thrust direction on boom and cylinder installation section SECTION AA 4.0mm 4.0mm SECTION BB SECTION CC SECTION DD Clearance in thrust direction on boom section...

  • Page 40: Swing

    3. ATTACHMENT DIMENSIONS Unit : mm (in) Standard dimen- Clearance X adjusted with shim Pin length sions (total of both sides) Sec. Item Remedy Standard Standard Serviceabil- No. Dimensions value for No. Dimensions value ity limit repair Boom 0.1~0.5 (5.512 A-A Boom foot (0.004~ (8.27)
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