Caterpillar 307 Excavators Workshop Service Repair manual with Electrical Wiring Diagrams (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnosis & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

This manual (1,113 pages PDF) contains high quality images, circuit diagrams, instructions to help you to maintenance, troubleshoot, diagnose, and repair. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.

SENR9208 - Systems Operation (307 Excavator Attachments).pdf
SENR9208 - Testing and Adjusting (307 Excavator Attachments).pdf
SENR9303 - Systems Operation (307 EXCAVATOR HYDRAULIC SYSTEM).pdf
SENR9305 - Systems Operation (307 EXCAVATOR ATTACHMENTS).pdf
SENR9305 - Testing And Adjusting (307 EXCAVATOR ATTACHMENTS).pdf
SENR9306 - Schematic (307 Excavator Hydraulic System (BLCV); (2WM500-UP)).pdf
SENR9307 - Schematic 307 Excavator Hydraulic System Common Piping (Attachment).pdf
SENR9308 - Schematic (307 Excavator Hydraulic System Offset Boom (Attachment)).pdf
SENR9309 - Schematic (307 Excavator Hydraulic System Single Action; 1 Pump (Attachment)).pdf
SENR9310 - Schematic (307 Excavator Electrical System).pdf
SENR9311 - Schematic (307 Excavator Hydraulic System (Attachment) 2 Pump Flow).pdf
SENR6194 - Specifications (307 EXCAVATORS HYDRAULIC SYSTEM).pdf
SENR6195 - Systems Operation (307 EXCAVATOR ELECTRIC AND ELECTRONIC SYSTEM).pdf
SENR6196 - Systems Operation (307 EXCAVATOR HYDRAULIC SYSTEM).pdf
SENR6199 - Disassembly and Assembly (307 EXCAVATOR MACHINE SYSTEMS).pdf
SENR6219 - Schematic (Caterpillar 307 Excavator Electrical System).pdf
SENR6227 - Disassembly and Assembly (SUPPLEMENT FOR - 3054 ENGINE 307 EXCAVATOR).pdf
SENR6233 - Specifications (307 EXCAVATOR ATTACHMENTS).pdf
SENR6234 - Disassembly and Assembly (SUPPLEMENT FOR 4D32 ENGINE FOR 307 EXCAVATOR).pdf
SENR9005 - Testing and Adjusting (307 EXCAVATOR HYDRAULIC SYSTEMS).pdf
SENR9007 - Schematic (307 Excavator Hydraulic System).pdf
SENR9207 - Systems Operation (307 EXCAVATOR ELECTRIC AND ELECTRONIC SYSTEM).pdf

TABLE OF CONTENTS / FILE LIST:
SENR6194 - Specifications (307 EXCAVATORS HYDRAULIC SYSTEM)...3
  Introduction...4
  Main Pump...5
  Hydraulic Tank...8
  Pump Lines Group...10
  Hydraulic Lines Group...11
  Swing Motor Lines Group...13
  Return Lines Group...14
  Travel Motor And Drive (2PM1-256; 2WM1-Up)...15
  Travel Motor And Drive (2PM257-Up)...19
  Swing Motor And Drive...23
  Main Control Valves...25
  Pilot Oil Manifold (2PM1-256; 2WM1-499)...30
  Pilot Oil Manifold (2PM257-UP; 2WM500-UP)...32
  Pilot Control Valves...34
  Accumulator (2PM1-Up); (2WM1-499)...41
  Accumulator (2WM500-Up)...42
  Flow Control Valve...43
  Pilot Filter...44
  Cycle Times (New Machines)...45
  Gear And Bearing Group...47
  Front Idler...49
  Recoil Spring...51
  Track Rollers...52
  Carrier Roller...55
  Roller Mounting...56
  Blade Lines Group (If Equipped)...57
SENR6195 - Systems Operation (307 EXCAVATOR ELECTRIC AND ELECTRONIC SYSTEM)...59
SENR6196 - Systems Operation (307 EXCAVATOR HYDRAULIC SYSTEM)...73
SENR6199 - Disassembly and Assembly (307 EXCAVATOR MACHINE SYSTEMS)...190
  Conventional Duo-Cone Seals...192
  Blade Cylinders...198
  Blade...203
  Blade Control Valve...206
  Blade Pump Assembly...208
  Bucket...224
  Bucket Linkage Group...227
  Bucket Cylinder...234
  Stick Cylinder...241
  Offset Boom Cylinder & Bar Assembly...248
  Stick...256
  Boom Cylinder...263
  Offset Boom Assembly (Upper)...269
  Offset Boom Assembly (Lower)...278
  Counterweight...287
  Fuel Tank...291
  Seat Assembly...294
  Cab Heater...295
  Cab...297
  Track Carrier Rollers...301
  Track Rollers...309
  Track Assemblies...316
  Hydraulic Track Adjusters...320
  Front Idlers & Recoil Springs...324
  Front Idlers...326
  Recoil Springs...331
  Travel Drive Sprockets...336
  Travel Drives & Motors...338
  Travel Drives & Motors (Single-Speed)...342
  Travel Drives & Motors (Two-Speed)...364
  Swivel Group...426
  Swing Motor...431
  Swing Drive...461
  Undercarriage Frame Assembly...469
  Swing Gear & Bearing...474
  Hydraulic Oil Cooler...477
  Cooler Bypass Valve...482
  Hydraulic Oil Tank...485
  Pilot Pump...489
  Main Hydraulic Pump & Pump Drive Coupling...495
  Main Hydraulic Pump...507
  Pilot Control Valves (Travel & Offset Boom Control)...545
  Pilot Control Valves (Swing & Stick Control_Bucket & Boom Control)...553
  Hydraulic Activation Control Valve...561
  Solenoid Valves...564
  Pilot Relief Valve...566
  Hydraulic Accumulator...569
  Two-Speed Solenoid Valve...571
  Main Control Valve...574
SENR6219 - Schematic (Caterpillar 307 Excavator Electrical System)...613
  Main...614
  Collage...616
SENR6227 - Disassembly and Assembly (SUPPLEMENT FOR - 3054 ENGINE 307 EXCAVATOR)...626
  Hood...627
  Air Cleaner Assembly...628
  Alternator...630
  V-Belt (Alternator_Fan)...632
  Engine & Main Hydraulic Pump...633
  Fan Assembly...645
  Fuel Pump...647
  Main Hydraulic Pump & Pump Drive Coupling...649
  Muffler Group...656
  Engine Oil Filter & Oil Filter Base...658
  Hydraulic Oil Cooler & Radiator...659
  Energized-To-Run Solenoid...667
  Water Temperature Regulator...668
SENR6233 - Specifications (307 EXCAVATOR ATTACHMENTS)...670
  Introduction...671
  Hydraulic Bucket Cylinders...672
  Hydraulic Stick Cylinders...674
  Hydraulic Boom Cylinders...676
  Hydraulic Blade Cylinders...680
  Bucket Adjuster Group...682
  Bucket Linkage...683
  Stick Group...685
  Stick Lines Group...689
  Boom Group...692
  Boom Cylinder Lines Group...704
  Boom Lines Group...705
  Boom Grease Lines Group...708
  Bucket Assemblies...709
  Blade Group...715
  Blade Cylinder Lines Group...718
  Front Lines Group...720
  Pilot Valve Group...726
  Solenoid Valve Group...728
  Check & Relief Valve...729
  Check Valve...734
  Relief Valve Group...735
SENR6234 - Disassembly and Assembly (SUPPLEMENT FOR 4D32 ENGINE FOR 307 EXCAVATOR)...738
  Hood...739
  Air Cleaner Assembly...740
  Muffler Group...742
  V-Belt (Alternator_Fan)...744
  Fan Assembly...746
  Alternator...749
  Electric Starting Motor...750
  Fuel Filter & Fuel Filter Base...751
  Engine Oil Filters; Oil Filter Base & Oil Pump...752
  Radiator...754
  Engine & Main Hydraulic Pump...758
SENR9005 - Testing and Adjusting (307 EXCAVATOR HYDRAULIC SYSTEMS)...774
SENR9007 - Schematic (307 Excavator Hydraulic System)...817
  Main...818
  Collage...819
SENR9207 - Systems Operation (307 EXCAVATOR ELECTRIC AND ELECTRONIC SYSTEM)...847
SENR9208 - Systems Operation (307 Excavator Attachments)...864
  One-Way Hydraulic Flow Operation...865
  Two-Way Hydraulic Flow Operation...871
  Combined Function Hydraulic Operation...882
  Boom Lowering Control Valve Operation...897
SENR9208 - Testing and Adjusting (307 Excavator Attachments)...906
  General Information...907
  Visual Inspection...910
  Hydraulic System Pressure - Release...911
  Line Relief Valve (One-Way Hydraulic Flow Attachment) - Test_Adjust...912
SENR9303 - Systems Operation (307 EXCAVATOR HYDRAULIC SYSTEM)...918
SENR9305 - Systems Operation (307 EXCAVATOR ATTACHMENTS)...1031
SENR9305 - Testing And Adjusting (307 EXCAVATOR ATTACHMENTS)...1058
SENR9306 - Schematic (307 Excavator Hydraulic System (BLCV); (2WM500-UP))...1068
SENR9307 - Schematic 307 Excavator Hydraulic System Common Piping (Attachment)...1070
  Main...1071
  Collage...1072
SENR9308 - Schematic (307 Excavator Hydraulic System Offset Boom (Attachment))...1096
  Main...1097
  Collage...1098
SENR9309 - Schematic (307 Excavator Hydraulic System Single Action; 1 Pump (Attachment))...1113
  Main...1114
  Collage...1115
SENR9310 - Schematic (307 Excavator Electrical System)...1143
  Main...1144
  Collage...1146
SENR9311 - Schematic (307 Excavator Hydraulic System (Attachment) 2 Pump Flow)...1167
  Main...1168
  Collage...1169
 
Caterpillar Excavators 307 Workshop Service Repair Manual