Caterpillar 302.5 MINI HYD EXCAVATOR Repair Service Manuals
Complete service repair manuals with electrical wiring diagrams for Caterpillar 302.5 MINI HYD EXCAVATOR (SN prefix 4AZ/GBB), with all the workshop service information to maintain, diagnose, repair, rebuild.
Caterpillar 302.5 MINI HYD EXCAVATOR workshop service manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
Total Pages: 621 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Manual Type: Disassembly & Assembly, Testing & Adjusting, Specifications, Systems Operation, Electrical Schematic...
Language: English
302.5 MINI HYD EXCAVATOR 4AZ
302.5C MINI HYD EXCAVATOR GBB
RENR2843 - Disassembly and Assembly (302.5 Mini Hydraulic Excavator Engine Supplement).pdf
RENR2844 - Specifications (302.5 Mini Hydraulic Excavator Machine Systems).pdf
RENR2845 - Systems Operation (302.5 Mini Hydraulic Excavator Hydraulic System).pdf
RENR2846 - Testing and Adjusting (302.5 Mini Hydraulic Excavator).pdf
RENR2847 - Schematic (302.5 Mini Hydraulic Excavator Hydraulic System).pdf
RENR2848 - Disassembly and Assembly (302.5 Mini Hydraulic Excavator Machine Systems).pdf
RENR2849 - Schematic (302.5 Mini Hydraulic Excavator Electrical Sysem (For Serial Numbers 4AZ1-5768)).pdf
RENR8136 - Schematic (302.5 Mini Hydraulic Excavator Electrical Sysem (For Serial Numbers 4AZ5769-UP).pdf
RENR2843 - Disassembly and Assembly (302.5 Mini Hydraulic Excavator Engine Supplement)............2
Pump Mounting Housing and Flange - Remove and Install............3
Engine - Install............7
Engine - Remove............13
Hood - Remove and Install............20
Muffler - Remove and Install............22
Air Cleaner - Remove and Install............26
Hydraulic Oil Cooler - Install............29
Hydraulic Oil Cooler - Remove............33
Radiator and Fan - Install............38
Radiator and Fan - Remove............42
Water Temperature Regulator - Remove and Install............47
Water Pump - Remove and Install............51
Fuel Filter and Water Separator - Remove and Install............54
Bottom Guard - Remove and Install............58
Electric Starting Motor - Remove and Install............60
Alternator - Remove and Install............64
Hydraulic System Pressure - Release............69
RENR2844 - Specifications (302.5 Mini Hydraulic Excavator Machine Systems)............70
Cab Mounting............71
Track Carrier Roller............73
Track Roller............75
Sprocket............76
Track............77
Recoil Spring............78
Governor Control............79
Fuel Tank............81
Counterweight Mounting............82
Stick Cylinder............83
Bucket Cylinder............84
Boom Swing Cylinder............85
Boom Cylinder............86
Blade Lift Cylinder............87
Piston Motor (Travel)............88
Piston Motor (Swing)............90
Swivel............92
Swing Gear and Bearing............94
Bank Valve............96
Speed and Direction Controls............98
Joystick Control and Mounting............99
Load Control Valve (Boom)............101
Solenoid Valve (Work Tool Lowering)............102
Pilot and Travel Speed Manifold............103
Hydraulic Oil Filter............105
Piston and Gear Pump............106
Hydraulic Tank............108
RENR2845 - Systems Operation (302.5 Mini Hydraulic Excavator Hydraulic System)............109
Combined Function Hydraulic Operation............110
Swivel............112
Piston Motor (Travel)............114
Control Valve (Straight Travel)............117
Travel System............119
Piston Motor (Swing)............122
Swing System............125
Boom Lowering Control Valve............127
Stick Hydraulic System............129
Bucket Hydraulic System............131
Boom Hydraulic System............133
Return Hydraulic System............135
Pilot Valve (Joystick)............138
Pilot and Travel Speed Manifold............141
Pilot Hydraulic System............143
Relief Valve (Line)............147
Relief Valve (Main)............149
Bank Valve............151
Piston and Gear Pump............178
General Information............182
RENR2846 - Testing and Adjusting (302.5 Mini Hydraulic Excavator)............186
Worksheets - Troubleshoot............187
Load Control Valve (Boom) - Test and Adjust............193
Piston and Gear Pump - Test and Adjust............197
Piston Motor (Swing) - Test............200
Relief Valve (Line) - Test and Adjust............208
Relief Valve (Main) - Test and Adjust............217
Accumulator (Pilot) - Test and Charge............224
Pilot System Pressure - Test............229
Hydraulic Oil Contamination - Test............232
Hydraulic System Pressure - Release............234
Hydraulic System Troubleshooting............235
Operational Checks............240
Visual Inspection............246
General Information............247
RENR2847 - Schematic (302.5 Mini Hydraulic Excavator Hydraulic System)............249
Collage............250
Main............258
RENR2848 - Disassembly and Assembly (302.5 Mini Hydraulic Excavator Machine Systems)............259
Bank Valve - Install............262
Bank Valve - Assemble............268
Bank Valve - Disassemble............280
Bank Valve - Remove............292
Pilot Valve (Joystick) - Install............299
Pilot Valve (Joystick) - Assemble............303
Pilot Valve (Joystick) - Disassemble............305
Pilot Valve (Joystick) - Remove............307
Piston Pump - Install............311
Piston Pump - Assemble............313
Piston Pump - Disassemble............320
Piston Pump - Remove............327
Gear Pump - Install............330
Gear Pump - Remove............333
Piston and Gear Pump - Install............337
Piston and Gear Pump - Remove............341
Pilot and Travel Speed Manifold - Remove and Install............346
Boom Lowering Control Valve - Remove and Install............353
Accumulator (Hydraulic Pilot) - Remove and Install............359
Hydraulic Tank - Remove and Install............361
Swing Gear and Bearing - Remove and Install............370
Undercarriage Frame - Remove and Install............374
Piston Motor (Swing) - Install............386
Piston Motor (Swing) - Assemble............393
Piston Motor (Swing) - Disassemble............398
Piston Motor (Swing) - Remove............403
Swivel - Install............411
Swivel - Assemble............415
Swivel - Disassemble............417
Swivel - Remove............419
Piston Motor (Travel) - Install............424
Piston Motor (Travel) - Assemble............427
Piston Motor (Travel) - Disassemble............444
Piston Motor (Travel) - Remove............462
Final Drive Sprocket - Remove and Install............465
Recoil Spring - Install............468
Recoil Spring - Assemble............470
Recoil Spring - Disassemble............472
Recoil Spring - Remove............474
Front Idler and Track Adjuster - Install............476
Track Adjuster - Assemble............478
Track Adjuster - Disassemble............480
Front Idler - Assemble............482
Front Idler - Disassemble............484
Front Idler and Track Adjuster - Remove............486
Track Carrier Roller - Remove and Install............488
Track Roller - Remove and Install............493
Track - Remove and Install............498
Cab - Remove and Install............503
Cab Heater - Remove and Install............508
Seat - Remove and Install............511
Fuel Tank - Install............513
Fuel Tank - Remove............517
Counterweight - Remove and Install............522
Boom Swing Cylinder - Remove and Install............529
Boom - Remove and Install............535
Boom Cylinder - Remove and Install............542
Stick - Remove and Install............549
Stick Cylinder - Remove and Install............556
Bucket Cylinder - Remove and Install............562
Bucket Linkage - Remove and Install............566
Bucket - Remove and Install............570
Blade - Remove and Install............574
Blade Cylinder - Remove and Install............578
Hydraulic System Pressure - Release............583
Duo-Cone Conventional Seals - Install............584
RENR2849 - Schematic (302.5 Mini Hydraulic Excavator Electrical Sysem (For Serial Numbers 4AZ1-5768))............591
Collage............592
Main............600
Features............600
Cover Page............601
Information............0
Component Location............602
Connector Location............603
Specification and Related Manuals............604
Wire Description............605
Standard Electrical............606
Schematic............607
Machine View............0
Machine Harness Connector and Component Locations............608
RENR8136 - Schematic (302.5 Mini Hydraulic Excavator Electrical Sysem (For Serial Numbers 4AZ5769-UP)............609
Collage............610
Main............618
Features............618
Cover page............619
Information............0
Component Location............620
Connector Location............621
Related Manual............622
Standard Electrical............623
Schematic............624
Machine View............0
Machine Harness and Component Locations............625
Caterpillar 302.5 MINI HYD EXCAVATOR Repair Service Manuals
