Stihl BR 450 C-EF User Manual

STIHL BR 450, 450 C
WARNING
Read Instruction Manual thoroughly
before use and follow all safety
precautions – improper use can
cause serious or fatal injury.
ADVERTENCIA
Antes de usar la máquina lea y siga
todas las precauciones de
seguridad dadas en el manual de
instrucciones – el uso incorrecto
puede causar lesiones graves o
mortales.
Instruction Manual
Manual de instrucciones

Stihl BR 450 C-EF Specifications

General

Engine Type	2-stroke
Power Output	2.7 kW / 3.6 hp
Weight	10.3 kg
Air Volume	1, 080 m³/h
Air Speed	306 km/h
Sound Pressure Level	104 dB(A)
Engine Displacement	63.3 cm³
Power source	Gasoline
Displacement	63.3 cc

Summary

Safety Precautions and Working Techniques

Operator Safety & Condition

Covers operator's physical health and mental readiness for safe operation.

The Use of the Power Tool

Fueling Instructions

Provides critical safety steps for refueling to prevent fire and injury.

Before Starting

Pre-Operation Checks and Starting

Lists checks and the procedure for starting the engine safely.

During Operation

Operating Instructions

Air Filter Replacement

Explains how to replace the air filter for engine performance.

Maintenance, Repair, and Storage

Assembling the Unit

Adjusting the Throttle Cable

Fitting the Harness

Information Before You Start

Control Lever and Starting Procedure

Identifies lever positions and details engine starting.

Starting / Stopping the Engine

Engine Start Procedures

Covers cold, warm, and electric start methods.

Adjusting the Carburetor

Carburetor Settings and Adjustments

Spark Plug

Spark Plug Maintenance

Spark Arresting Screen in Muffler

Spark Arresting Screen

Storing the Machine

Inspections and Maintenance by Dealer

Maintenance and Care

Maintenance Schedule and Checks

Specifications

Engine Specifications

System Specifications

Maintenance and Repairs