1990 John Deere 70 Excavator Technical Manual (TM1376)

Diagnostic procedures and repair information for the John Deere 70 Excavator. Covers engine, hydraulics, and electrical systems.

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Document Details

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Document Number / Seller:
28606 / Kenneth Jones
File Size:
50.16 MB
File Type:
PDF
Language:
English
Pages:
534
Printable:
Yes
Category:
Excavator
Last updated / verified
Dec 19, 2025

Models Covered & Key Technical Specifications

John Deere 70 Excavator (TM1376) -- 1990 Reference Vault | Division.

  • Calibrated Tank Capacity: 120 L signifies the total fuel capacity available for extended operation Parameters.
  • System Clearance Data: 380 mm represents the minimal ground clearance specified for varied terrain Traversal.
  • Published Power Rating: 41 kW represents the engine's maximum output capability Standards.
  • Authorized Working Temperature: For optimal operation, 20°C defines the recommended operating temperature Topology.
  • Core Component Weight: The track shoe assembly requires 7 mm for standard thickness Specifications.
  • Standard Fill Levels: 60 L is the recommended hydraulic reservoir capacity Matrix.

Professional Workshop Service Manual & Technical Specifications

John Deere 70 Excavator Technical Manual: 1990 Operation and Tests

Specification-Class: TM1376 // Repair-Classification: Excavator / Engine Logic // Model-Designation: 1990. Technical Specs Table Service-Nexus Rating Calibration-Data
Engine Oil Capacity 8.5 L 9 qt
Hydraulic Reservoir Capacity 60 L 15.8 gal
Fuel Tank Capacity 120 L 32 gal

TOC Summary Block Technical chapters are organized around:

  • Group 0413 - Fuel Injection System
  • Group 0130 - Track System
  • Group 0409 - Cylinder Head and Valves
  • Group 0402 - Camshaft and Valve Actuating Means
  • Group 0250 - Axle Shafts, Bearings, and Reduction Gears Prose Paragraphs Reference data is included for essential tools, service equipment, and materials required for repairs. This manual covers component identification, removal, installation, and disassembly procedures. Diagnostic procedures are covered for identifying and resolving common issues, ensuring efficient operation. Wiring diagrams and electrical system details are also provided for troubleshooting. This manual details engine repair and maintenance, including fuel injection system calibration and valve adjustments. It provides specifications for all critical components to ensure proper functioning. Torque specifications are documented for engine components and mounting brackets to ensure proper assembly stress control.

FAQ

What **necessary** electrical values are needed for alternator testing? keyboard_arrow_down

A digital volt-ohm-amp meter is required for alternator testing, checking resistance, continuity, and voltage.

Determine the **recommended** coolant capacity for the engine. keyboard_arrow_down

11.4 L (12 qt) is the specified coolant capacity for the engine, ensuring optimal cooling performance.

What **calibrated** clearance measurements are essential for the front idler shaft? keyboard_arrow_down

51.5 mm (2.028 in.) is the recommended service limit for the front idler shaft's I.D., crucial for proper fitment.

Check the **applicable** torque specifications for rocker arm support cap screws. keyboard_arrow_down

47 N-m (35 lb-ft) is the specified torque for rocker arm support cap screws to ensure secure mounting.

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The manual is incredibly detailed and easy to navigate. I had a smooth download process and received the email link almost instantly. Highly recommend for anyone working with John Deere excavators!
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This technical manual is a must-have for any technician. The support team was very responsive when I had questions, and the download was seamless. Great resource!