316 - 318 - 420 Lawn and Garden Tractors - General Information - Safety

Oct 24, 2026

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Technical service and diagnostics manual for John Deere lawn and garden tractors models 316, 318, and 420, covering safety requirements and comprehensive maintenance information. The contents map detailed service groups including general information, engine repair, electrical repair, power train repair, steering and brake repair, hydraulic repair, and miscellaneous repairs, plus structured checkout and diagnosis sections for engines, fuels and air systems, electrical systems, power train, steering and brakes, and hydraulics. Dealer and service routing guidance and a revision notice for applicable manual versions are included.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages440

Reading Time18 h 29 min

AccessFree to download

Contents

Section 10—General Information

Section 20—Engine Repair

Section 40—Electrical Repair

Section 50—Power Train Repair

Section 60—Steering and Brake Repair

Section 70—Hydraulic Repair

Section 80—Miscellaneous Repair

Section 220—Engine, Fuel and Air System Checkout and Diagnosis

Section 240—Electrical Checkout, Operation and Diagnosis

Section 250—Power Train Checkout, Operation and Diagnosis

Section 260—Steering and Brakes Checkout, Operation and Diagnosis

Section 270—Hydraulic System Checkout, Operation and Diagnosis

Section 299—Dealer Fabricated Tools

Index

Introduction

Foreword

316, 318 and 420 Lawn and Garden Tractors For complete service information also see: Onan Engines (16,18,20,24 HP) . . . . . . . . . CTM2 John Deere Horicon Works TM1590 ( 17MAY95) LITHO IN U.S.A. ENGLISH Contents | SECTION 10—GENERAL INFORMATION
Group 05—Safety
Group 10—General Specifications Group 15—Repair Specifications
Group 20—Test and Adjustment Specifications Group 25—Fuels and Lubricants
Group 30—Serial Number Locations
SECTION 20—ENGINE REPAIR
Group 05—Engine
SECTION 40—ELECTRICAL REPAIR
Group 05—Front PTO Clutch
SECTION 50—POWER TRAIN REPAIR
Group 05—Transmission
Group 10—Transmission Control Linkage
Group 15—Differential Group 20—Rear Axles Group 25—Drive Shaft
SECTION 60—STEERING AND BRAKE REPAIR
Group 05—Steering—316
Group 06—Steering—318 and 420
Group 10—Brakes
SECTION 70—HYDRAULIC REPAIR
Group 05—Hydraulic Control Valve
SECTION 80—MISCELLANEOUS REPAIR
Group 05—Front Axle
Group 10—Mower Spindle and Jack Sheave Repair
Group 15—Mower Gear Case Repair
SECTION 220—ENGINE, FUEL AND AIR SYSTEM CHECKOUT AND DIAGNOSIS
Group 05—Engine, Fuel and Air System Checkout
Group 10—Diagnosis, Tests and Adjustments | SECTION 240—ELECTRICAL CHECKOUT, OPERATION AND DIAGNOSIS
Group 05—Electrical System Checkout
Group 10—Electrical Schematics
Group 15—Component Location and Operation Group 20—Electrical System Diagnosis
Group 25—Electrical System Component Tests and Adjustments
SECTION 250—POWER TRAIN CHECKOUT, OPERATION AND DIAGNOSIS
Group 05—Power Train Checkout
Group 10—Theory of Operation
Group 15—Diagnosis, Tests and Adjustments
SECTION 260—STEERING AND BRAKES CHECKOUT, OPERATION AND DIAGNOSIS
Group 05—Steering And Brakes System Checkout
Group 10—Theory of Operation
Group 15—Diagnosis, Tests and Adjustments
SECTION 270—HYDRAULIC SYSTEM CHECKOUT, OPERATION AND DIAGNOSIS
Group 05—Hydraulic System Checkout
Group 10—Hydraulic Schematics Group 15—Theory of Operation
Group 20—Diagnosis, Tests and Adjustments
SECTION 299—DEALER FABRICATED TOOLS
Group 00—Dealer Fabricated Tools
Index | 10 | | --- | --- | --- | | | |
20 | | | |
40 | | | |
50 | | | |
60 | | | |
70 | | | |
80 | | | |
220 | | | |
240 | | All information, illustrations and specifications in this manual are based on the latest information available at the time of publication. The right is reserved to make changes at any time without notice.
TM1590-19-17MAY95
COPYRIGHT© 1995 DEERE & COMPANY Moline, Illinois All rights reserved A John Deere ILLUSTRUCTION™ Manual | |
250 | | | | | TM1590 ( 17MAY95) i 316, 318 & 420 Lawn and Garden Tractors 020895 Contents 10 20 40 50 60 70 80 220 240 250 TM1590 ( 17MAY95) ii 316, 318 & 420 Lawn and Garden Tractors 020895 Contents 260 270 299 INDX TM1590 ( 17MAY95) iii 316, 318 & 420 Lawn and Garden Tractors 020895 Contents 260 270 299 INDX TM1590 ( 17MAY95) iv 316, 318 & 420 Lawn and Garden Tractors 020895 Introduction | FOREWORD
This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.
Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
N This is the safety-alert symbol. When you see
this symbol on the machine or in this manual, be alert to the potential for personal injury.
Technical manuals are divided in two parts: repair and diagnostics. Repair sections tell how to repair the components. Diagnostic sections help you identify the majority of routine failures quickly.
Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, other ma

FAQs

Who is this manual written for and what is its purpose?

The manual is written for an experienced technician. It provides essential tools information for certain service work and explains how repair and diagnostics sections support component repair and routine failure identification.

How are the manual sections organized?

The manual divides information into two parts: repair and diagnostics. Repair sections describe how to repair components, while diagnostic sections help identify the majority of routine failures quickly.

What safety guidance does the manual emphasize?

It includes safety messages in the introduction and cautions throughout the text, and it explains the safety-alert symbol used on the machine or in the manual to warn of potential personal injury.

Oct 24, 2026

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