John Deere 316 318 and 420 Lawn and Garden Tractors Technical Manual (TM1590)

TABLE OF CONTENTS

Group 05—Engine, Fuel and Air System
Checkout
Before You Start
Engine Oil and Leak Check
Fuel Leak Check
Throttle Lever Check
Engine Start Check
Choke Lever Check
Engine Oil Pressure Check
Engine Performance Check
Operator Complaint Not Identified

Grou IO—Diagnosis, Tests and Adjustments

About This Group
Troubleshooting Guide
Ignition Spark Test
Throttle Cable Adjustment
Choke Cable Adjustment
Idle Mixture and Speed Adjustment
Governor Linkage Adjustment
Dashpot Adjustment (B43E, B43G andB48G)
Fuel Filter Test
Fuel Transfer Pump Test
Crankcase Vacuum Test
Timing Adjustment (B43E, B43G andB48G)
Compression Pressure Test
Engine Oil Pressure Test
Oil Pressure Regulating Valve Check
Throttle Lever Adjustment