Link Belt 2800Q, 3400Q Quantum Excavator Shop Manual

Format: PDF (Printable Document)

File Language: English

File Pages: 714

File Size: 33.39 MB (Speed Download Link)

Brand: Link Belt

Model: 2800Q, 3400Q Quantum Excavator

Type of Document: Shop Manual

Category: PDF

$ 40

Link Belt 2800Q, 3400Q Quantum Excavator Shop Manual

These Link-Belt 2800Q and 3400Q Quantum excavators spend their lives in rock, mud, and demolition, so when something goes down, you need a clear plan, not guesswork. This shop manual is what I’d pull when I’m tearing into major components and want to be sure I can put everything back together once, the right way. If, for example, you’ve got a boom function lagging or a travel motor getting weak, this book helps you trace the fault, decide what to strip, and then reassemble and adjust it so you’re not back in there next week.

Applications & Use Cases

Plan full component teardowns on swing, travel, or boom systems with a logical step-by-step sequence.
Verify wear points on pins, bushings, bearings, and seals before you order parts or re-use anything.
Align and adjust linkages and controls after repairs so the machine responds evenly and predictably.
Trace hydraulic issues by following the recommended inspection order instead of chasing random hoses.
Confirm reassembly with correct routing, clearances, and settings to prevent leaks and rework.

FAQ

Q: Can I use this manual on a tablet in the field?

A: Yes, it works well on a tablet; you can zoom diagrams and keep it open beside the machine while you work.

Q: Is it worth printing sections of this manual?

A: Many techs print only the pages for the job they’re doing, slip them in plastic sleeves, and mark notes as they go.

Safety Note

Always lock out, relieve hydraulic pressure, and properly support components before loosening any fittings or hardware.

📘 Show Index

Link Belt 2800Q, 3400Q Quantum Excavator Index:

SHOP MANUAL EXPLANATION
- Contents
- Safety
- Introduction
- Symbols Used
- Precautions
- Standard Torque Specifications
- Numerical Value Conversion Table
SPECIFICATIONS
- Major Equipment Specifications
  - Lower Mechanism
  - Upper Mechanism
  - Engine
  - Hydraulic Equipment
  - Controls
  - Remote Control Valve
  - Control Valve
  - By-pass Oil Filter
- Back Hoe Attachment
  - Cylinder
  - Cylinder (LR)
  - Cylinder (HBCV)
- Main Body Oils and Greases
  - Use of Fuel, Lubricants, Oil and Greases According to Temperature (2800,3400)
  - Expendables (2800,3400)
  - Lubrication for 2800 and Element Replacement
  - Lubrication for 3400 and Element Replacement
  - Replacement Interval for Hydraulic Oil and Filters When Using The Hydraulic Hammer
Performance
- Main Body Weight
  - Assembly Weights (2800)
  - Separate Parts Weight (2800)
  - Assembly Weights (3400)
  - Serarate Parts Weight (3400)
  - Assembly Weights (2800-LR)
  - Separate Parts Weight (2800-LR)
  - Assembly Weights (3400-LR)
  - Separate Parts Weight (3400-LR)
- New Machine Performance Check List
  - Performance Judgment Check List
  - Performance Measurement Form
  - New Machine Performance Check List
- Suspension Performance
  - Caution
Main Body Disassembly and Servicing Procedures
- Lower Mechanism
  - Travel Equipment
  - Drive Sprocket
  - Take-up Roller
  - Upper Roller
  - Lower Roller
  - Recoil Spring
  - Grease Cylinder
  - Track Shoe
  - Rotating Joint
- Upper Mechanism
  - Swing Equipment
  - Engine and Radiator
  - Hydraulic Pump
  - Control Valve
  - Remote Control Valve
  - Cab
- Attachment
  - Bucket Cylinder
  - Boom Cylinder
  - Arm Cylinder
- Maintenance Standards
  - Drive Sprocket
  - Take-up Roller
  - Upper Roller (and slide plate)
  - Lower Roller
  - Track Shoe (grouser shoe)
  - Attachments
  - 2800 Maintenance Standard Values Table
  - 3400 Maintenance Standard Values Table
  - Gauge Table
Major Components Disassembly and Service Procedures
- Tightening Torque for Major Parts
- Take-up Roller
- Upper Roller
- Lower Roller
- Recoil Spring
- Rotating Joint
Major Hydraulic Component Dissassembly and Servicing Procedures
- Hydraulic Pump
  - Pump Handling
  - Pump Maintenance
  - Regulator Handling
  - Regulator Maintenance
- Travel Mechanism
  - Motor Assembly
  - S/A; Motor
  - S/A; Reduction Gear
- Swing Mechanism
  - Motor Assembly
  - S/A; Motor
  - S/A; Reduction Gear
- Control Valve
- Hydraulic Cylinder
  - Specifications, Structure
  - Operation Principal, Servicing Procedures
- Remote Control Valve
  - Operation
  - Travel
- Valve
  - Valve (8 Spool Solenoid Valve)
  - Valve ( Shuttle Valve)
  - Valve ( Cushion Valve)
  - Valve ( Stack Valve)