Case 2 Series Service Manual
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Case 2 Series Service Manual

Mini excavator
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CX15B
CX18B
Series 2
Mini Excavator
SERVICE MANUAL
Part number 84533370B
English
May 2014
Copyright © 2014 CNH Industrial Italia S.p.A. All Rights Reserved.

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  • Page 1 CX15B CX18B Series 2 Mini Excavator SERVICE MANUAL Part number 84533370B English May 2014 Copyright © 2014 CNH Industrial Italia S.p.A. All Rights Reserved.
  • Page 2 SERVICE MANUAL CX15B CX18B 84533370B 20/05/2014 Find manuals at https://best-manuals.com...
  • Page 3 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.102] Pan and covers .
  • Page 4 [35.737] Dipper hydraulic system............35.12 [35.738] Excavator and backhoe bucket hydraulic system .
  • Page 5 Platform, cab, bodywork, and decals ..........90 [90.150] Cab ................. 90.1 [90.114] Operator protections .
  • Page 6 INTRODUCTION 84533370B 20/05/2014 Find manuals at https://best-manuals.com...

  • Page 7: Table Of Contents

    Contents INTRODUCTION Foreword - Important notice regarding equipment servicing ........3 Safety rules .

  • Page 8: Foreword - Important Notice Regarding Equipment Servicing

    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.

  • Page 9: Safety Rules

    INTRODUCTION Safety rules Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in- structions.

  • Page 10: Personal Safety

    INTRODUCTION Personal safety NOTICE: The proper and safe lubrication and maintenance for this machine, recommended by Manufacturer, are outlined in the OPERATOR’S MANUAL for the machine. Improper performance of lubrication or maintenance procedures are dangerous and could result in injury or death. Read and understand the MANUAL before performing any lubrication or maintenance.
  • Page 11 INTRODUCTION 15. Repairs which require welding should be performed only with the benefit of the appropriate reference informa- tion and by personnel adequately trained and skilled in welding procedures. Determine the type of metal being welded and select the correct welding procedure and electrodes, rods or wires to provide a metal weld strength at least equivalent to that of the parent metal.
  • Page 12 INTRODUCTION General precautions for repairs Preparation before disassembling 1. Understanding operating procedure Read OPERATION AND MAINTENANCE 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 INTRODUCTION 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 INTRODUCTION NOTICE: Operation of the hydraulic equipment without filling hydraulic oil or lubricant or without performing air bleeding will result in damage to the equipment. 3. Perform air bleeding of the hydraulic pump and slewing motor after loosening the upper drain plug, starting the engine and keep it in low idle condition.
  • Page 15 INTRODUCTION Hydraulic parts 1. O-ring • Ensure O-rings have elasticity and are not damaged before use. • Use the appropriate O-rings. O-rings are of different kinds and made of different materials, and they have a different hardness to be applied to a variety of parts, such as moving or fixed parts, subject to high pressure and exposed to corrosive fluids, even if their size is same.

  • Page 16: Torque

    INTRODUCTION Torque Torque specifications for capscrews and nuts The following torque specifications are indicated in case the actual torque value of a fastener is unknown. Check the capscrews and nuts for their looseness and dropping off before the start of daily work and at the periodical main- tenance.
  • Page 17 INTRODUCTION Metric coarse thread standard tightening torque values. Be certain to tighten all capscrews and nuts to proper torque values Classifi- 4.8T 10.9T cation Nominal dimen- No lubrication Oil lubrication No lubrication Oil lubrication No lubrication Oil lubrication sion 3.9 - 4.9 N·m 7.3 - 8.9 N·m 15.6 - 19.2 N·m 13.2 - 16.2 N·m...
  • Page 18 INTRODUCTION Metric coarse thread standard tightening torque values. Be certain to tighten all capscrews and nuts to proper torque values Classifi- 4.8T 10.9T cation Nominal dimen- No lubrication Oil lubrication No lubrication Oil lubrication No lubrication Oil lubrication sion 10.2 - 8.5 - 10.5 N·m 22.5 - 26.5 N·m 18.6 - 22.6 N·m...
  • Page 19 INTRODUCTION Application of screw locking and sealing compounds Service Features Low strength ® 242 OCTITE Middle strength Screw locking compound ® 262 OCTITE ® 271 High strength OCTITE Sealing compound ® 515 Sealing OCTITE Screw and tool sizes Edge bolt Nominal Nominal screw...
  • Page 20 INTRODUCTION Torque specifications for joints and hoses Joints for piping (with O-ring) Nominal screw Tightening Wrench size size (PF) torque 17 N·m (12.5 lb ft) ± 2 N·m 14 mm (1.5 lb ft) 36 N·m (26.6 lb ft) ± 2 N·m 19 mm (1.5 lb ft) 74 N·m (54.6 lb...
  • Page 21 INTRODUCTION Torque specifications for sleeve type tube fitting Sleeve type tube fittings Tube size Outside Tightening Wrench size diameter x torque thickness 10 mm (0.4 in) 44 N·m (32.5 lb x 1.5 mm ft) ± 4.9 N·m 19 mm (0.1 in) (3.6 lb ft) 147 N·m 15 mm (0.6 in)

  • Page 22: Basic Instructions - How To Use Maintenance Standards And Precautions

    INTRODUCTION Basic instructions - How to use maintenance standards and precautions Application 1. For new machine; his manual is to be used to check the actual performance and functions of the machine compared with the PER- FORMANCE STANDARDS. 2. At specific self-inspection (as per LOCAL RULES); The maintenance standards are used to make them as the criteria to determine the time for reconditioning, ad- justment and replacement.
  • Page 23 INTRODUCTION 3. Inspection and replacement of lubricants: It is necessary for the user of the machine to fully familiarize himself with the procedures and precautions to handle the machine in safe and carry out the maintenance, as well as the procedures for inspection and lubrication. Refer to the OPERATION AND MAINTENANCE MANUAL as well.

  • Page 24: General Specification

    INTRODUCTION General specification Speed and gradeability Detail Rubber crawler CX15B 9.5 RPM Rotation speed CX18B 9 RPM Low (1 High (2 Travel speed 2.0 km/h 3.5 km/h (1.2 mph) (2.2 mph) Gradient 58 % ( 30 °) Engine Model MITSUBISHI L3E-31KBSA Type Water-cooled, 4-stroke with direct injection, diesel engine Number of cylinders-Bore x stroke...
  • Page 25 INTRODUCTION Operating mass Operating mass Models Versions ISO 6016* Canopy 1580 kg (3483 lb) CX15B CX15B 1700 kg (3748 lb) CX18B Canopy 1660 kg (3660 lb) 1780 kg (3924 lb) CX18B Rubber belt Long arm Standard counterweight * The operating mass is measured with this configuration Big bucket ( 33 kg (73 lb)) Fuel ( 22 kg (49 lb)) Operator ( 75 kg (165 lb))

  • Page 26: Capacities

    INTRODUCTION Capacities Manufacturer International Component to be filled Quantity Consumable specifications specifications CASE AKCELA NO. 1™ ENGINE OIL SAE MS 1121 3.0 l 10W-30 API CI 4/CH-4 Engine oil pan (0.8 US ACEA E7/E5 CASE AKCELA NO. gal) 1™ ENGINE OIL SAE...
  • Page 27 • Do not mix bio-oil with original factory-filled mineral oil; in case it is necessary to use bio-oil, flush the hydraulic system that was filled with bio-oil three times.

  • Page 28: Product Identification

    INTRODUCTION Product identification Machine identification plate 1. Commercial name 2. Product identification number 3. Operating mass 4. Engine power ( ISO 14396) 5. Year of construction 6. Machine category (Hydraulic excavator <6t) SMIL13MEX0254FB 84533370B 20/05/2014...
  • Page 29 INTRODUCTION Engine identification plate Engine model Output Displacement 10. Engine number SMIL13MEX0255BB Hour counter TULI12E1B0004BA 84533370B 20/05/2014...
  • Page 30 INTRODUCTION Tip/Roll Over Protective Structure (TOPS/ROPS) and Falling Object Protective Structure (FOPS) (1) Identification plate in the cab (2) Identification plate on the canopy (3) Identification plate on the canopy TULI12E1B0006BB TULI12E1B0007BB 84533370B 20/05/2014...

  • Page 31: Product Identification - Machine Orientation

    INTRODUCTION Product identification - Machine orientation The terms right-hand, left-hand, front, and rear are used in this manual to indicate the sides as they are seen from the operator seat when the travel motors are positioned at the rear and the operator is facing the direction in which the machine advances (forward).

  • Page 32: Part Identification

    INTRODUCTION Part identification TULI12E1B0042GB Bucket Hydraulic oil tank Control valve Link rod Pump Crawler Lever Travel motor Engine Bucket cylinder Canopy Air filter Lower roller Battery Arm cylinder Idler adjuster Radiator Boom Dozer Muffler Fuel tank Dozer cylinder Left-hand safety lever Boom cylinder Operator’s seat Right-hand safety lever (only...
  • Page 33 INTRODUCTION 84533370B 20/05/2014...
  • Page 34 SERVICE MANUAL Engine CX15B CX18B 84533370B 20/05/2014...
  • Page 35 Contents Engine - 10 [10.001] Engine and crankcase ............. . . 10.1 [10.102] Pan and covers .
  • Page 36 Engine - 10 Engine and crankcase - 001 CX15B CX18B 84533370B 20/05/2014 10.1 [10.001] / 1...
  • Page 37 Contents Engine - 10 Engine and crankcase - 001 TECHNICAL DATA Engine and crankcase Torque ..................3 Engine General specification .
  • Page 38 Engine - Engine and crankcase Engine and crankcase - Torque Main engine components Item Thread diameter x pitch Tightening torque Main 1.25 75.3 - 83.4 N·m (55.54 - 61.51 lb ft) Cylinder head bolt 19.6 - 29.4 N·m (14.46 - 21.68 lb ft) 1.25 4.9 - 6.9 N·m (3.61 - 5.09 lb ft) Rocker cover nut...
  • Page 39 Engine - Engine and crankcase Engine - General specification Model L3E-31KBSA Type In-line, water cooled, 4-cycle diesel engine Number of cylinders. Combustion type Swirl chamber type Valve mechanism Overhead valve type Cylinder bore x stroke 76 mm (2.99 in) x 70 mm (2.76 in) Total displacement 0.952 l (0.25 US gal) Main data...
  • Page 40 (Engine total) capacity 3.6 l (0.95 US gal) Gear type (internal and Type external teeth engagement), Lubrication system built into the gear case Oil pump 3 l (0.79 US gal) l/ 1 min Flow (1 min) or more (at 1000 RPM) Type...
  • Page 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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