Caterpillar 311 & 312 Excavator Hydraulic System Service Manual PDF - 3064 Engine SENR6134 SENR6139 SENR6128 - MCAT311EX312.zip

A full factory-style service and repair manual featuring electrical wiring schematics for the Caterpillar 311 and 312 Excavators, packed with every technical detail needed to service, troubleshoot, fix, and rebuild these machines the way a trained technician would.

Inside the Caterpillar 311 & 312 Excavators workshop service repair manual, you'll find:

* 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