Case CX16B & CX18B Mini Excavator Official Workshop Service Repair Manual
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This is the COMPLETE Official Service Repair Manual for the Case CX16B & CX18B Mini Excavator.
This manual contains deep information about maintaining, assembly, disassembly and servicing your Crawler Excavator.
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
which give you complete step by step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine.
this manual offers full information you need for repair your machine.
the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service.
all pages are printable, so run off what you need and take it with you into the garage or workshop.
Models & Serials Covered:
9-88670
Table of Contents:
SECTION 1 - HOW TO USE
Sections index ............................................................................................................................................... 1-1
Introduction ................................................................................................................................................... 1-4
Features of the manual ................................................................................................................................. 1-5
SECTION 2 - SAFETY RULES
Safety rules ....................................................................................................................................................S1
Safety signs..................................................................................................................................................S38
SECTION 3 - PRELIMINARY
General precautions for repairs ..................................................................................................................... 3-1
Escaping procedure in case of emergency ................................................................................................... 3-6
International unit conversion system ............................................................................................................. 3-7
SECTION 4 - SPECIFICATION
Foreword ....................................................................................................................................................... 4-1
Identification data .......................................................................................................................................... 4-2
Noise levels (2000/14/EC) ............................................................................................................................ 4-3
Summary plate for maintenance operations ................................................................................................. 4-4
Basic components of the mini excavator....................................................................................................... 4-5
Technical specifications ................................................................................................................................ 4-7
Digging performances (canopy) .................................................................................................................... 4-8
Digging performances (cab) .......................................................................................................................... 4-9
Transport dimensions (canopy)................................................................................................................... 4-10
Transport dimensions (cab) ........................................................................................................................ 4-11
Lifting capacities (cab) ................................................................................................................................ 4-12
Lifting capacities (canopy) ........................................................................................................................... 4-13
Machine and components weight (dry) ....................................................................................................... 4-14
Buckets application ..................................................................................................................................... 4-15
Filling chart .................................................................................................................................................. 4-16
SECTION 5 - TOOLS
Tools of cylinders .......................................................................................................................................... 5-1
Tool of hydraulic pump .................................................................................................................................. 5-4
Tool of pilot valve track ................................................................................................................................. 5-4
Tool of roller track ......................................................................................................................................... 5-4
Tool of idler adjuster ...................................................................................................................................... 5-5
Tools of engine.............................................................................................................................................. 5-5
Tools of travel motor ..................................................................................................................................... 5-8
SECTION 6 - STANDARD MAINTENANCE TIME TABLE
Preface .......................................................................................................................................................... 6-1
Standard working time table for the maintenance ......................................................................................... 6-2
SECTION 7 - MAINTENANCE STANDARDS AND TEST PROCEDURES
How to use maintenance standards and precuations ................................................................................... 7-1
Performance inspection standard table......................................................................................................... 7-2
Measuring engine speed ............................................................................................................................... 7-4
Measuring hydraulic oil pressure .................................................................................................................. 7-5
Measuring travel performances..................................................................................................................... 7-8
Measuring slew performances .................................................................................................................... 7-10
Measuring attachment operating performances.......................................................................................... 7-12
Measuring slew bearing performances ....................................................................................................... 7-14
Measuring crawler tension .......................................................................................................................... 7-15
SECTION 8 - HYDRAULIC SYSTEM
Function and features of hydraulic circuit...................................................................................................... 8-1
Hydraulic circuits and components ............................................................................................................... 8-2
Hydraulic circuit operation ............................................................................................................................. 8-6
SECTION 9 - ELECTRICAL SYSTEM
How to read circuit diagram .......................................................................................................................... 9-1
SECTION 10 - ATTACHMENT
Attachment assy and name......................................................................................................................... 10-1
Bucket ......................................................................................................................................................... 10-2
Arm.............................................................................................................................................................. 10-5
Boom ......................................................................................................................................................... 10-10
Swing ........................................................................................................................................................ 10-15
Dozer......................................................................................................................................................... 10-22
Hydraulic cylinders .................................................................................................................................... 10-26
SECTION 11 - UPPER STRUCTURE
Canopy ........................................................................................................................................................ 11-1
Cab.............................................................................................................................................................. 11-4
Guard .......................................................................................................................................................... 11-6
Floor plate ................................................................................................................................................. 11-10
Battery ....................................................................................................................................................... 11-13
Counterweight ........................................................................................................................................... 11-14
Fuel tank ................................................................................................................................................... 11-17
Hydraulic oil tank ....................................................................................................................................... 11-20
Air cleaner ................................................................................................................................................. 11-25
Muffler ....................................................................................................................................................... 11-27
Hydraulic pump ......................................................................................................................................... 11-28
Radiator ..................................................................................................................................................... 11-43
Engine ....................................................................................................................................................... 11-47
Control valve ............................................................................................................................................. 11-49
Solenoid valve ........................................................................................................................................... 11-84
Pilot valve .................................................................................................................................................. 11-86
Pilot valve travel ........................................................................................................................................ 11-96
Slew motor .............................................................................................................................................. 11-105
Joint swivel .............................................................................................................................................. 11-139
Selector valve .......................................................................................................................................... 11-154
Upper frame ............................................................................................................................................ 11-159
SECTION 12 - TRAVEL SYSTEM
Low structure ............................................................................................................................................... 12-1
Crawler ........................................................................................................................................................ 12-3
Slide plate ................................................................................................................................................. 12-12
Roller tracks .............................................................................................................................................. 12-14
Idler adjuster ............................................................................................................................................. 12-19
Sprocket .................................................................................................................................................... 12-28
Travel motor .............................................................................................................................................. 12-29
Slew bearing ............................................................................................................................................. 12-71
Lower frame .............................................................................................................................................. 12-76
SECTION 13 - TROUBLESHOOTING HYDRAULIC SYSTEM
General precautions .................................................................................................................................... 13-1
Trouble diagnosis: Hydraulic ....................................................................................................................... 13-2
Troubleshooting .......................................................................................................................................... 13-3
SECTION 14 - TROUBLESHOOTING ELECTRICAL SYSTEM
Trouble diagnosis: Electrical ....................................................................................................................... 14-1
Troubleshooting .......................................................................................................................................... 14-2
SECTION 15 - TROUBLESHOOTING ENGINE
Trouble diagnosis: Engine........................................................................................................................... 15-1
Troubleshooting .......................................................................................................................................... 15-2
SECTION 16 - ENGINE
Specifications and Performance ............................................................................................................... 16-1
Cross Sectional Views .............................................................................................................................. 16-15
Cooling water, lubricating oil and fuel oil .................................................................................................. 16-17
Troubleshooting ........................................................................................................................................ 16-21
Measuring instruments .............................................................................................................................. 16-25
Measurement, inspection and adjustment ................................................................................................ 16-29
Adjustment the valve head clearance ....................................................................................................... 16-31
Checking the v-belt tension ....................................................................................................................... 16-32
Measuring and checking the injection pressure and spray patterns of the fuel injection valve ................. 16-32
Checking and adjustament the fuel injection timing .................................................................................. 16-36
Adjustament the no-load maximum (or minimum) revolutions .................................................................. 16-38
Checking the cooling water system and radiator for water leakage .......................................................... 16-38
Checking the battery ................................................................................................................................. 16-39
Checking the sensors................................................................................................................................ 16-41
Checking the oil cooler .............................................................................................................................. 16-42
Checking the piston cooling nozzle ........................................................................................................... 16-43
Measuring Procedure, Service Data and Corrective Action ...................................................................... 16-45
Disassembly and reassembly ................................................................................................................... 16-73
Service data .............................................................................................................................................. 16-83
Tightening torque ...................................................................................................................................... 16-89
Fuel injection pump for indirect injection system ....................................................................................... 16-91
Fuel Injection Pump for Direct Injection System ....................................................................................... 16-97
Governor ................................................................................................................................................. 16-111
Turbocharger........................................................................................................................................... 16-123
Service information for CARB ULG regulation ........................................................................................ 16-129
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