Caterpillar 311 & 312 Excavators Repair Service Manual

Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 311, 312 Excavators, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.

Caterpillar 311 & 312 Excavators workshop service repair 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.

RENR1112 - Schematic (312; 312B and 312B L Excavators Medium Pressure Hydraulic System (Attachment)).pdf
SENR6128 - Schematic (311 Excavator Hydraulic System).pdf
SENR6134 - Specifications (311 AND 312 EXCAVATORS HYDRAULIC SYSTEMS).pdf
SENR6139 - Disassembly and Assembly (311 AND 312 EXCAVATORS MACHINE SYSTEMS).pdf
SENR6149 - Disassembly and Assembly (3064 ENGINE SUPPLEMENT FOR 311 & 312 EXCAVATORS).pdf
SENR6174 - Schematic (311 and 312 Excavators Hydraulic System (Attachment) - 2 Pump Flow).pdf
SENR6175 - Schematic (311 and 312 Excavators Hydraulic System Single-Action; (One) Pump (Attachment)).pdf
SENR6176 - Schematic (311 And 312 Excavators Hydraulic System Double Action; 1 Pump (Attachment)).pdf
SENR6177 - Schematic (311 and 312 Excavators Hydraulic System (Attachment) - Common Piping; Two Pump).pdf
SENR6179 - Schematic (311 And 312 Excavators Hydraulic System (Attachment) - Boom Lowering Control Valve).pdf
SENR6236 - Schematic (Caterpillar 311 & 312 Excavators Electrical System).pdf
SENR6280 - Schematic (311 Excavators Hydraulic System).pdf
SENR6281 - Schematic (312 Excavators Hydraulic System).pdf

PRODUCT DETAILS:
Total Pages: 725 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English

TABLE OF CONTENTS
RENR1112 - Schematic (312; 312B and 312B L Excavators Medium Pressure Hydraulic System (Attachment))...2
  Main...3
  Collage...5
SENR6128 - Schematic (311 Excavator Hydraulic System)...20
  Main...21
  Collage...23
SENR6134 - Specifications (311 AND 312 EXCAVATORS HYDRAULIC SYSTEMS)...53
  Introduction...54
  Main Pump...55
  Pilot Pump...59
  Travel Motor And Drive (312 Excavator 6GK1-Up And 6BL1-824)...60
  Travel Motor And Drive (312 Excavator 6BL825-Up)...63
  Travel Motor And Drive (311 Excavator)...66
  Swing Motor...69
  Pilot Oil Manifold...71
  Accumulator...73
  Main Control Valves...74
  Pilot Control Valve (Implement And Swing)...79
  Pilot Control Valve (Travel)...81
  Boom Cylinder...83
  Stick Cylinder...85
  Bucket Cylinder...88
  Cycle Times (New Machine)...90
  Hydraulic Tank...94
  Swing Drive...96
  Swing Bearing...98
  Front Idler...100
  Recoil Spring...102
  Track Roller...103
  Carrier Roller...105
  Roller Mounting...107
SENR6139 - Disassembly and Assembly (311 AND 312 EXCAVATORS MACHINE SYSTEMS)...109
  Duo-Cone Seals...111
  Bucket...118
  Bucket Linkage Group...121
  Bucket Cylinder...125
  Stick Cylinder...131
  Stick...140
  Boom Cylinders...145
  Boom...153
  Counterweight...159
  Fuel Tank...160
  Seat Assembly...163
  Cab...165
  Track Carrier Rollers...172
  Track Rollers...180
  Track Assemblies...186
  Front Idlers & Recoil Springs...190
  Front Idlers...192
  Recoil Springs...196
  Hydraulic Track Adjusters...200
  Final Drive Sprockets...203
  Travel Motor & Final Drive...205
  Swivel Joint...295
  Swing Motor...299
  Swing Drive...327
  Undercarriage Frame Assembly...335
  Swing Gear & Bearing...342
  Hydraulic Oil Tank...345
  Pilot Control Valves (Travel)...349
  Hydraulic Activation Control Valve...354
  Pilot Control Valves (Implement)...358
  Solenoid Valves...362
  Proportional Reducing Valve...364
  Pilot Relief Valve...367
  Pilot Pump...369
  Hydraulic Accumulator...371
  Main Control Valve...373
  Main Hydraulic Pump & Pump Drive Coupling...431
  Hydraulic Oil Filter Group...481
  Heating & Air Conditioning Unit...483
SENR6149 - Disassembly and Assembly (3064 ENGINE SUPPLEMENT FOR 311 & 312 EXCAVATORS)...501
  Air Cleaner...503
  Air Conditioning Compressor...505
  Air Conditioning Air Compressor V-Belt...507
  Air Heater...509
  Alternator...510
  Alternator V-Belts...512
  Conditioner Condenser...513
  Conditioner Dryer...515
  Crankshaft Front Oil Seal...517
  Crankshaft Pulley...519
  Crankshaft Rear Oil Seal...521
  Engine...527
  Engine & Main Hydraulic Pump Separation...549
  Engine Oil Cooler...551
  Engine Oil Filter & Oil Filter Base...553
  Engine Supports (Front)...556
  Engine Supports (Rear)...558
  Fan...560
  Fan Guards...562
  Flywheel & Ring Gear...564
  Flywheel Ring Gear...566
  Fuel Filter & Fuel Filter Base...568
  Fuel Injection Lines...570
  Fuel Priming Pump...572
  Fuel Injection Pump & Governor...573
  Governor Control Motor...575
  Engine Hood Assembly...583
  Lifting Eye (Front)...585
  Lifting Eye (Rear)...586
  Main Hydraulic Pump...587
  Muffler...592
  Radiator & Oil Cooler...593
  Shutoff Solenoid...598
  Starter...599
  Turbocharger...600
  Water Pump...603
  Water Temperature Regulator...607
  Control Box...609
SENR6174 - Schematic (311 and 312 Excavators Hydraulic System (Attachment) - 2 Pump Flow)...610
  Main...611
  Collage...613
SENR6175 - Schematic (311 and 312 Excavators Hydraulic System Single-Action; (One) Pump (Attachment))...625
SENR6176 - Schematic (311 And 312 Excavators Hydraulic System Double Action; 1 Pump (Attachment))...627
  Main...628
  Collage...630
SENR6177 - Schematic (311 and 312 Excavators Hydraulic System (Attachment) - Common Piping; Two Pump)...660
  Main...661
  Collage...663
SENR6179 - Schematic (311 And 312 Excavators Hydraulic System (Attachment) - Boom Lowering Control Valve)...678
SENR6236 - Schematic (Caterpillar 311 & 312 Excavators Electrical System)...680
  Main...681
  Collage...683
SENR6280 - Schematic (311 Excavators Hydraulic System)...707
  Main...708
  Collage...709
SENR6281 - Schematic (312 Excavators Hydraulic System)...724

Caterpillar 311 & 312 Excavators Repair Service Manual