Caterpillar 312B 312BL Repair Manual

The Caterpillar 312B 312BL Repair Manual is a comprehensive, factory-authorized service manual designed specifically for Caterpillar 312B and 312BL excavators. This essential guide provides detailed instructions, illustrations, and diagrams to facilitate step-by-step removal and installation, assembly and disassembly, service, inspection, repair, troubleshooting, and tune-ups. This manual is an indispensable resource for both professional mechanics and do-it-yourself enthusiasts who want to maintain and repair their Caterpillar excavators efficiently and effectively.

Key Features:

• Format: PDF
• Language: English
• Pages: 3973
• Bookmarks: Yes
• Searchable: Yes
• Wiring Diagrams: Yes
• Hydraulic Diagrams: Yes

Applicable Models:

• Caterpillar 312B
  • 2NS
  • 9HR
  • 6SW 6SW00001-UP
  • 9NW 9NW00001-UP
• Caterpillar 312BL
  • 3FS
  • 8JR
  • 9FS 9FS00001-UP
  • 2KW 2KW00001-UP

Manual Contents:

The manual covers an extensive range of topics, ensuring that every aspect of your Caterpillar 312B and 312BL excavators is addressed comprehensively.

AIR INLET AND EXHAUST SYSTEM

• Systems Operation
• Testing and Adjusting
• Specifications
• Disassembly and Assembly

BASIC ENGINE

• Systems Operation
• Testing and Adjusting
• Specifications
• Disassembly and Assembly

COOLING SYSTEM

• Systems Operation
• Testing and Adjusting
• Specifications
• Disassembly and Assembly

ELECTRICAL AND STARTING SYSTEM

• Systems Operation
• Testing and Adjusting
• Troubleshooting
• Specifications
• Disassembly and Assembly

ENGINE ARRANGEMENT

• Engine Design
• Troubleshooting
• General Information
• Engine Design

FRAME AND BODY

• Counterweight – Remove and Install
• Swing Drive – Remove, Disassemble, and Assemble
• Undercarriage Frame – Remove and Install
• Swing Gear and Bearing – Remove and Install
• Fan Guard – Remove and Install
• Hood – Remove and Install

FUEL SYSTEM

• Systems Operation
• Testing and Adjusting
• Specifications
• Disassembly and Assembly

HYDRAULIC SYSTEM

• Systems Operation
• Testing and Adjusting
• Specifications
• Disassembly and Assembly

IMPLEMENTS

• CP Boom, Boom Bearings and Seals – Remove and Install
• Grease Lines – Stick and Boom
• Bucket Linkage – Remove and Install
• Stick Bearings and Seals – Remove and Install

LUBRICATION SYSTEM

• Systems Operation
• Testing and Adjusting
• Specifications
• Disassembly and Assembly

MACHINE ARRANGEMENT

• Service Intervals
• Heating and Air Conditioning Service Publications

OPERATOR STATION

• Systems Operation
• Testing and Adjusting
• Troubleshooting
• Specifications
• Disassembly and Assembly

POWER TRAIN

• Duo-Cone Conventional Seals – Install
• Final Drive – Remove, Disassemble, and Assemble
• Track Roller – Remove, Disassemble, and Assemble
• Track – Separate and Connect

SERVICE EQUIPMENT AND SUPPLIES

• Systems Operation
• Testing and Adjusting
• Troubleshooting
• Disassembly and Assembly

TORQUE SPECIFICATIONS

• CP Metric (ISO) Fasteners
• English (SAE) Fasteners
• Various Fittings and Clamps

UNDERCARRIAGE

• Track Adjuster – Remove, Disassemble, and Install
• Front Idler and Recoil Spring – Remove, Disassemble, and Install
• Track Carrier Roller – Remove, Disassemble, and Install

WORK TOOLS

• Bucket and Quick Coupler – Remove and Install

SCHEMATICS

• Detailed hydraulic and electrical schematics for troubleshooting and repair.

This Caterpillar 312B 312BL Repair Manual is a valuable tool that ensures your excavator performs optimally and remains reliable throughout its operational life. With its extensive coverage and user-friendly format, this manual is your go-to resource for all repair and maintenance tasks.