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Toro 51603 User Manual

Toro 51603
21 pages
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GAS TRIMMER GUIDE, MODELS 51630, 51603, 51604
Table of Contents – Page 1 of 1
FOREWORD
GENERAL INFORMATION
MAINTENANCE PROCEDURES
AIR CLEANER MAINTENANCE
EXHAUST SYSTEM MAINTENANCE
FLEXIBLE DRIVE SHAFT MAINTENANCE
CARBURETOR ADJUSTMENTS -- MODEL TC-1 500 WITH TILLOTSON
CARBURETOR ADJUSTMENT -- MODELS TC-300, TC-400 WITH WALBRO
TROUBLESHOOTING AND TEST PROCEDURES
DISASSEMBLY, REPAIR, REASSEMBLY INSTRUCTIONS
WALBRO CARBURETOR OPERATION
CUTTER HEAD TROUBLESHOOTING
CLUTCH REPAIR
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Toro 51603 Specifications

General IconGeneral
Cutting Width14 inches
Line Diameter0.065 inches
Adjustable HandleYes
Power SourceElectric
Corded/CordlessCorded
Shaft TypeStraight
TypeString Trimmer

Summary

Foreword

General Information

Two-Cycle Engine Theory of Operation

Explains the design and benefits of two-cycle engines used in Toro trimmers.

Engine Operation

Describes the piston movement and its effect on pressure within the engine.

Engine Specifications

Engine Specifications Details

Provides detailed technical specifications for TC 1500, TC 300, and TC 400 engines.

Engine Torque Specifications

Lists torque values for various engine fasteners for proper assembly.

Maintenance Procedures

Air Cleaner Maintenance

Instructions for checking and cleaning the air cleaner elements.

Exhaust System Maintenance

Procedures for cleaning the muffler, screen, and exhaust port.

Flexible Drive Shaft Maintenance

Guidance on lubricating the flexible drive shaft after specified operating hours.

Carburetor Adjustments - TC-1500 (Tillotson)

Steps for adjusting the Tillotson carburetor on the TC-1500 model.

Carburetor Adjustment - TC-300/TC-400 (Walbro)

Steps for adjusting the Walbro carburetor on the TC-300 and TC-400 models.

Troubleshooting and Test Procedures

Preliminary Checks

Initial checks to perform before detailed troubleshooting.

Testing Cylinder Compression

How to perform a compression test to assess engine condition.

Checking for Spark

Steps to verify if the engine is producing a spark.

Checking Fuel Tank Venting

How to inspect and clean the fuel tank cap vent.

Checking Fuel Tank

Procedure for inspecting the fuel tank for contaminants.

Checking the Stop Switch

How to test the engine's stop switch for proper function.

Disassembly, Repair, Reassembly Instructions

Trimmer Engine Removal, Disassembly, Replacement

Detailed steps for removing, disassembling, and replacing the trimmer engine.

Starter Rope Replacement

Instructions for replacing the damaged starter rope on the pulley.

Starter Assembly Replacement

Steps for removing and installing the recoil starter assembly.

Walbro Carburetor Operation

Detailed explanation of how the Walbro carburetor functions.

Walbro Carburetor Servicing

Procedures for disassembling and cleaning the Walbro carburetor.

Carburetor Disassembly

Step-by-step guide to taking apart the Walbro carburetor.

Carburetor Re-Assembly

Instructions for reassembling the Walbro carburetor after servicing.

Clutch Repair

Detailed instructions for disassembling and repairing the clutch assembly.

Automatic Line Feed Repair

Steps for repairing the automatic line feed mechanism.

Cutter Head Troubleshooting

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