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CASE CONSTRUCTION CX36B Service Manual

Compact hydraulic excavator
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CX31B
CX36B
Compact Hydraulic Excavator
CX31B - PIN PW14-46519 - and higher
CX36B - PIN PX15-21105 - and higher
SERVICE MANUAL
Part number S5PW0032E02
English
August 2010

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  • Page 1 CX31B CX36B Compact Hydraulic Excavator CX31B - PIN PW14-46519 - and higher CX36B - PIN PX15-21105 - and higher SERVICE MANUAL Part number S5PW0032E02 English August 2010...
  • Page 2 COMPACT HYDRAULIC EXCAVATOR SHOP CX31B MANUAL model CX36B INDEX SPECIFICATIONS SECTION MAINTENANCE SECTION SYSTEM SECTION DISASSEMBLY SECTION TROUBLESHOOTING ENGINE SECTION PROCEDURE OF INSTALLING OPTIONS SECTION S5PW0032E02 Book Code No.

  • Page 3: General Safety Information

    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 Do not operate or perform any maintenance on this and its components and is represented as fol- machine until all instructions found in the OPERA- lows:...

  • Page 4: Safety Precautions

    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 5 (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 6 INDEX CX31B CASE-NA CX36B Book Code No. Index Title Distribution Year–Month S5PA0105E01 OUTLINE 2010-03 S5PW0232E02 SPECIFICATIONS 2010-06 S5PW0332E02 ATTACHMENT DIMENSIONS 2010-06 S5PW1131E02 TOOLS 2010-06 S5PW1231E02 STANDARD MAINTENANCE 2010-06 TIME TABLE S5PW1332E02 MAINTENANCE STANDARD 2010-06 AND TEST PROCEDURE S5PW2232E02 HYDRAULIC SYSTEM...
  • Page 7 NOTE: This Manual may be revised due to the improvement of products, modification of specifications, etc. There may This manual contains information necessary for the be cases where the system on the actual machine may maintenance and repair of hydraulic excavators. It is differ with the manual - this may be due to variation of categorized into seven chapters: Specification, Mainte- specifications by countries.

  • Page 8: 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 MEASURES ..............1-7...
  • Page 9 ↑ CX17B : PU09-08001~ (CASE AUS) ↑ ↑ ↑ E18SR : PU09-08001~ (NH AUS) ↑ CX31B : PW14-45964~ ↑ ↑ CX36B : PX15-20658~ (CASE-NA) ↑ E30B : PW14-45964~ ↑ ↑ E35B : PX15-20658~ (NH-NA) ↑ ↑ ↑ SK17SR-3 : PU09-08001~ (NA) ↑...

  • Page 10: 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 bringng 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 11: 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 12 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 13: Electrical Equipment

    1. OUTLINE 1.1.4 ELECTRICAL EQUIPMENT (1) Do not disassemble electrical equipment. (2) Handle electrical equipment carefully - be careful not to drop. Exposure to electrical current can cause electrical shock. (3) Turn the key OFF prior to connecting and disconnecting work. (4) Disconnect the connector by holding it and pressing the lock.

  • Page 14: 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 15: 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 to the following international system of units.
  • Page 16 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 17 1. OUTLINE 1-10...
  • Page 18 2. SPECIFICATIONS 2. SPECIFICATIONS TABLE OF CONTENTS COMPONENTS NAME ..................2-3 MACHINE DIMENSIONS ..................2-4 SPECIFICATIONS AND PERFORMANCE ............2-6 MACHINE & COMPONENTS WEIGHT (DRY) ............2-8 TRANSPORTATION .....................2-10 TYPE OF CRAWLER SHOES ................2-13 TYPE OF BUCKET ....................2-14 ENGINE SPECIFICATIONS .................2-15 2.8.1 SPECIFICATIONS ..................2-15 2.8.2 ENGINE PERFORMANCE CURVE .............2-16 Book Code No.

  • Page 19: Specifications

    2. SPECIFICATIONS Issue Date of Issue Applicable Machines Remarks CX31B : PW14- S5PW0232E01 First Edition March, 2010 CX36B : PX15- (CASE-NA) CX31B : PW14-46519~ S5PW0232E02 Revision June, 2010 CX36B : PX15-21105~ (CASE-NA)

  • Page 20: Components Name

    2. SPECIFICATIONS COMPONENTS NAME ARM CYLINDER LIGHT BOOM BOOM CYLINDER BUCKET CANOPY CYLINDER OPERATING LEVER DOZER OPERATING LEVER HYDRAULIC TANK LINK CONTROL VALVE BUCKET TRAVEL LEVER MONITOR PANEL (GAUGE CLUSTER) RADIATOR AIR CLEANER SWING CYLINDER RESERVOIR TANK DOZER CYLINDER MUFFLER BATTERY ENGINE FUEL TANK...

  • Page 21: Machine Dimensions

    2. SPECIFICATIONS MACHINE DIMENSIONS (1) CX31B (CANOPY) Unit: mm (ft-in) 4470 {14'8.0"} 1840 {6'0.44"} 1380 {4'6.3"} 1550 {5'1.0"} 775 {2'6.5"} 1550 {5'1.0"} 1250 {4'1.2"} 1700 {5'6.9"} {11.8"} 2150 {7'0.6"} 1550 {5'1.0"} 2630 {8'7.5"} (2) CX31B (CAB) 4470 {14'8.0"} 1840 {6'0.44"} 1380 {4'6.3"} 1550 {5'1.0"} 775 {2'6.5"}...
  • Page 22 2. SPECIFICATIONS (3) CX36B (CANOPY) Unit:mm(ft-in) 4710 {15'5.4"} 1910 {6'3.2"} 1460 {4'9.5"} 1550 {5'1.0"} 850 {2'9.5"} 1600 {5'3.0"} 1700 {5'6.9"} {11.8"} 1400 {4'7.1"} 2150 {7'0.6"} 1700 {5'6.9"} 2680 {8'9.5"} (4) CX36B (CAB) 4710 {15'5.4"} 1910 {6'3.2"} 1460 {4'9.5"} 1550 {5'1.0"} 850 {2'9.5"}...

  • Page 23: Specifications And Performance

    2. SPECIFICATIONS SPECIFICATIONS AND PERFORMANCE SPEED AND GRADEABILITY Model CX31B CX36B Applicable Machines PW14-46519~ PX15-21105~ Iron shoe Iron shoe Shoe Type Rubber shoe Rubber shoe (OPT) (OPT) Slewing Speed {rpm} 8.9 (8.9) 8.9 (8.9) High High High High (1st) (2nd)
  • Page 24 2. SPECIFICATIONS WEIGHT Rubber shoe Iron shoe Rubber shoe Iron shoe Machine Weight kg (lb) 3,200 (7050) 3,340 (7360) 3,580 (7900) 3,700 (8160) Upper slewing body kg (lb) 1,600 (3530) <-- 1,900 (4190) <-- 1,140 (2520) Travel system kg (lb) 1,120 (2470) 1,230 (2710) 1,260 (2780)

  • Page 25: Machine & Components Weight (Dry)

    2. SPECIFICATIONS MACHINE & COMPONENTS WEIGHT (DRY) Unit ; kg (lb) CX31B MODEL RUBBER SHOE IRON SHOE CANOPY CANOPY COMPLETE MACHINE 3,200 (7050) 3,340 (7360) 3,310 (7300) 3,450 (7600) UPPER FRAME ASSEMBLY 1,600 (3530) 1,740 (3840) 1,600 (3530) 1,740 (3840) (ASSY OF FOLLOWINGS) <-- UPPER FRAME...
  • Page 26 2. SPECIFICATIONS Unit ; kg (lb) CX36B MODEL RUBBER SHOE IRON SHOE CANOPY CANOPY COMPLETE MACHINE 3,580 (7890) 3,720 (8200) 3,700 (8160) 3,840 (8470) 2,040 (4500) UPPER FRAME ASSEMBLY 1,900 (4190) 2,040 (4500) 1,900 (4190) (ASSY OF FOLLOWINGS) UPPER FRAME 348 (767) <--...

  • Page 27: Transportation

    If machine cannot be transported with arm cylinder fully extended, remove bucket or attachment and extend arm cylinder. (2) TRANSPORTATION DIMENSION AND WEIGHT OF ATTACHMENT 1. BOOM WITH ARM CYLINDER Model CX31B CX36B L X H X W 2,390 X 870 X 320 2,590 X 810 X 320 mm(ft-in) (7'10.1") (2'10.2") (12.6") (8'6.0") (2'7.9") (12.6")
  • Page 28 2. SPECIFICATIONS 2. ARM & BUCKET (Japanese standard bucket) Model CX31B CX36B L X H X W 2,190 X 450 X 500 2,360 X 450 X 600 mm (ft-in) (7'2.2") (17.7") (19.7") (7'8.9") (17.7") (1'11.6") Weight kg (lb) 198 (435) 219 (485) 3.
  • Page 29 2. SPECIFICATIONS 5. DOZER w/o cylinder weight Model CX31B CX36B L X H X W 1,230 X 330 X 1,550 1,280 X 330 X 1,700 mm (ft-in) (4'0.4") (13.0") (5'1.0") (4'2.4") (13.0") (5'6.9") Weight kg (lb) 142 (315) 150 (330)

  • Page 30: Type Of Crawler Shoes

    (psi) mm (in) Link mm (ft•in) CANOPY Rubber shoe CX31B 300 (11.8") 1,550 (5’1.0") 27 (3.9) 28 (4.1) CX36B 300 (11.8") 1,700 (5’6.9") 31 (4.5) 32 (4.6) Iron shoe (option) CX31B 300 (11.8") 1,550 (5’1.0") 28 (4.1) 29 (4.2) CX36B 300 (11.8") 1,700 (5’6.9")

  • Page 31: Type Of Bucket

    Type Model capacity Remarks with side without tooth kg (lb) (cu.yd) cutter side cutter Back hoe bucket CX31B 0.09 (0.118) 81 (179) (1’7.7") (1’4.9") Standard size CX36B 0.11 (0.144) 89 (196) (1’11.6") (1’8.9") This table shows Japanese standard bucket. 2-14...

  • Page 32: Engine Specifications

    2. SPECIFICATIONS ENGINE SPECIFICATIONS 2.8.1 SPECIFICATIONS CX31B, CX36B Model Engine Model 3TNV88-BPYB Type Vertical, 4-cycle water-cooled diesel engine No. of cylinders - Bore × Stroke 3 - 88 mm (3.46 in) × 90 mm (3.54 in) Total displacement 1.642 liter (100 cu•in) Compression ratio 19.1...

  • Page 33: Engine Performance Curve

    2. SPECIFICATIONS 2.8.2 ENGINE PERFORMANCE CURVE CX31B, CX36B Model : 3TNV88-BPYB Rated Output : 21.2 kW / 2400 min (28.8 PS / 2,400 rpm) N . m (lbf . ft) (89) [ T ] (74) (PS) (59) (44) (34) (30)
  • 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 ......................3-15 3.3.1 BUCKET DIMENSIONAL DRAWINGS ............

  • Page 35: Attachment Dimensions

    3. ATTACHMENT DIMENSIONS Issue Date of Issue Applicable Machines Remarks CX31B : PW14- S5PW0332E01 First Edition March, 2010 CX36B : PX15- (CASE-NA) CX31B : PW14-46519~ S5PW0332E02 Revision June, 2010 CX36B : PX15-21105~ (CASE-NA)
  • Page 36 3. ATTACHMENT DIMENSIONS BOOM 3.1.1 BOOM DIMENSIONAL DRAWINGS Boom Dimensional Drawings DIMENSIONS [mm(ft-in)] NAME CX31B CX36B Boom length 2300 (7'6.55") 2500 (8'2.43") Distance between pins of boss R1217.5 (3'11.93") R1210 (3'11.64") Distance between pins of bracket R1130.5 (3'8.51") R1157 (3'9.55") Height of boom cylinder rod pin 420.5 (1'4.56")
  • Page 37 This as a preview PDF file from caseihservicemanual.com...

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