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Stihl SR 430 User Manual

Stihl SR 430
111 pages
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STIH)
STIHL SR 430, 450
2009-06

Table of Contents

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Stihl SR 430 Specifications

General IconGeneral
Product typeBackpack garden sprayer
Product colorBlack, Orange, White
Tank capacity14 L
Weight and Dimensions IconWeight and Dimensions
Weight12200 g

Summary

1. Introduction and Safety Precautions

1.2 Safety Precautions

Essential safety rules for operating and servicing the power tool.

3. Troubleshooting

3.1 Rewind Starter

Common problems, causes, and remedies for the rewind starter mechanism.

3.2 Blower

Issues with the blower wheel and housing, and their solutions.

3.3 Ignition System

Troubleshooting common ignition system faults like rough running or misfires.

3.4 Carburetor

Diagnosing and fixing carburetor issues like flooding or poor acceleration.

3.5 Engine

Troubleshooting engine starting, power delivery, and overheating issues.

4. Engine

4.2 Leakage Test

Identifying leaks in seals, gaskets, or castings affecting fuel-air mixture.

4.3 Oil Seals

Steps for replacing oil seals in the engine.

4.5 Engine

Steps for removing the complete engine for access to internal parts.

4.6 Cylinder / Crankshaft

Removing and disassembling the cylinder and crankshaft assembly.

4.7 Bearings / Crankshaft

Removing and installing crankshaft bearings.

4.8 Piston

Procedures for removing and installing the piston.

4.8.1 Piston Rings

Inspecting and installing piston rings correctly.

5. Ignition System

5.2 Ignition Module

Procedures for removing and installing the ignition module.

5.3 Testing the Ignition Module

How to test the ignition module using specialized testers.

5.5 Flywheel

Procedures for removing and installing the flywheel.

5.6 Short Circuit Wire

Testing and troubleshooting the short circuit wire.

5.7 Ignition System Troubleshooting

Flowchart for diagnosing ignition system problems.

6. Rewind Starter

6.6 Tensioning the Rewind Spring

Correctly tensioning the rewind spring.

7. Servicing the AV System

8. Control Levers

9. Fuel System

9.5 Removing and Installing the Carburetor

Steps for removing and reinstalling the carburetor.

9.5.1 Leakage Test

Testing the carburetor for leaks using a pump.

9.6 Servicing the Carburetor

Servicing the carburetor components.

9.6.7 Adjusting Screws

Procedures for adjusting carburetor screws (L, H, LA).

9.7 Adjusting the Carburetor

Adjusting the carburetor settings.

9.7.1 Basic Setting

Steps to perform the basic setting of the carburetor.

9.7.2 Standard Setting

Performing the standard setting for carburetor adjustment.

9.8.1 Adjusting the Throttle Cable

Adjusting the throttle cable for proper shutter operation.

9.10.1 Testing

Testing the tank vent function using pressure/vacuum.

10. Blower and Metering Attachment

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