John Deere 316, 318 & 420 Lawn and Garden Tractors Service Manual

Diagnostic procedures and component service for John Deere 316, 318, and 420 lawn and garden tractors with detailed troubleshooting, repair, and maintenance information. Ref: TM1590

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Document Details

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Document Number / Seller:
28363 / Carol Parker
File Size:
20.47 MB
File Type:
PDF
Language:
English
Pages:
660
Printable:
Yes
Category:
Lawn and Garden Tractor
Last updated / verified
Apr 29, 2025

Models Covered & Key Technical Specifications

John Deere 316, 318 & 420 Lawn and Garden Tractors Service Manual John Deere 316, 318 & 420 Tractors (1981-1993) Service Manual | Comprehensive Service Handbook.

  • Authorized Assembly Torques: 70 N·m (52 lb-ft) is calibrated to the charge pump mounting.
  • Critical Liquid Volume: For transmission refill, 7.1 L (15 U.S. pt) establishes the capacity.
  • Operational Temperature Range: For optimal hydraulics, 43 C (110 F) defines the operating limit.
  • Established Play Limits: The formatter board requires 0.08 mm (0.003 in.) for optimal performance.
  • Measured Fastener Specs: For the differential lock, 53 N·m (39 lb-ft) is specified as standard.
  • Maximum Fastener Specs: For the front axle, 140 N·m (103 lb-ft) defines the required torque.

Manual Description & Preview

John Deere 316, 318 & 420 Lawn and Garden Tractors Service Manual: Comprehensive Service Handbook: John Deere 316, 318 & 420 Tractors (1981-1991; 1983-1992; 1985-1993) Technical-Briefing

Year-Coverage: 1981-1993 // Asset-ID: TM1590 // Year-Coverage: 1981-1993

Component Parameters Architecture
Steering Manual / Power Hydrostatic Standard
Engine Onan Gasoline Air Cooled
Transmission Hydrostatic Grease Lubricated

Providing a structural breakdown of the necessary systems and procedures for maintaining your John Deere tractor. This manual covers engine specifications, power train, steering, brakes, hydraulics, and safety information.

The troubleshooting chapter addresses potential issues with engine and electrical systems.

Cooling system maintenance is addressed in the transmission and hydraulic sections.

Testing requirements are specified for the drive shaft and PTO clutch assemblies.

Clearance measurements are addressed for the steering gearbox and differential components.

Special procedures are addressed for brake adjustments and park brake linkage.

This manual documents torque specifications for various components to ensure proper flange face sealing and reliable operation.

FAQ

What electrical information and wiring diagrams are included in the 316, 318, and 420 tractor service manual? keyboard_arrow_down

Document includes Section 240, which features dedicated groups for electrical schematics, component location and operation, as well as electrical system checkout and testing procedures.

Is there documentation showing component layouts or exploded views for the major assemblies? keyboard_arrow_down

Manual contains comprehensive section groupings, such as Section 50 for Power Train and Section 70 for Hydraulics, which are organized to show component breakdown and arrangement. These sections provide visual references for systems like the transmission, rear axles, and hydraulic control valves.

Are there specification tables, tightening values, or tolerance references provided in the manual? keyboard_arrow_down

Section 10 contains specific groups dedicated to machine specifications, repair specifications, and test and adjustment specifications. These areas include tables for metric and inch series torque values, set screw torque charts, and various mechanical tolerance data. The documentation also lists fluid capacity and lubricant information in the fuels and lubricants group.

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