John Deere 690B Excavator Technical Manual (TM1093)

John Deere 690B Excavator Technical Manual (TM1093 Feb-82)

This comprehensive factory service manual delivers detailed maintenance procedures, diagnostics, and system testing instructions for the John Deere 690B Excavator. Covering advanced technical content including hydraulic flow control, electronic circuit evaluation, and full mechanical disassembly guidelines, this manual is a professional-grade resource for technicians.

Model Covers:

John Deere 690B Excavator

File Format: PDF

Size: 373.76 MB

No. of pages: 628

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Included Sections:

General Information and Specifications

• Complete machine specifications and factory lubrication intervals
• Predelivery, delivery inspection, and after-sale service procedures

Engine Systems

• Engine removal and installation guidelines
• Internal engine component access and servicing
• Lubrication system and oil passage diagnostics
• Engine cooling system flow paths and radiator servicing
• Fuel injection system inspection and air intake component service
• Throttle control linkage adjustment and verification

Electrical System and HVAC

• Battery maintenance and electrical charging system diagnostics
• Starter circuit fault tracing and solenoid testing
• Gauges, switches, control panel configuration and signal tracing
• Cab climate system including blower motor, heater core and A/C diagnostics

Power Train

• Undercarriage structure inspection and alignment
• Track drive and swing drive disassembly and function tests

Hydraulic System

• Main hydraulic pump diagnostics and internal wear testing
• Hydraulic motor troubleshooting and pressure isolation
• Control valve assembly inspection and pilot control function
• Counterbalance, crossover relief, solenoid and rotary manifold operation
• Hydraulic reservoir, oil cooler system performance and filtration servicing
• Hydraulic cylinders inspection, resealing and reassembly

Miscellaneous Components

• Track chains, rollers, and undercarriage wear analysis
• Main frame structure, weld points, and alignment checks
• Boom and bucket linkage wear, pin bushing clearance specs
• Counterweight installation and cab structure repairs

System Testing and Diagnostics

• Dynamic performance testing for engine, hydraulics, and power train
• Hydraulic analyzer procedures for detailed system analysis
• Electrical load and continuity tests, voltage drop inspections
• HVAC system function diagnostics and airflow verification
• Troubleshooting procedures for mechanical and structural faults

This John Deere 690B Excavator Technical Manual provides advanced-level service instructions, system testing procedures, and mechanical diagnostics, making it an essential tool for skilled technicians maintaining or rebuilding this machine.