Table of Contents
Advertisement
Quick Links
Contents
Guide to Using this Manual .............. 2
Safety Precautions ........................... 3
Assembling the Blower ................... 11
Fuel ................................................ 13
Fueling ............................................ 14
Information Before You Start .......... 15
Starting / Stopping the Engine ........ 15
Operating Instructions .................... 18
Using the Blower ............................ 18
Cleaning the Air Filter ..................... 19
Motor Management ........................ 20
Carburetor ...................................... 21
Catalytic Converter* ........................ 22
Checking the Spark Plug ................ 22
in Muffler ......................................... 23
Engine Running Behavior ............... 24
and Rewind Spring ......................... 24
Storing the Machine ........................ 27
Maintenance Chart ......................... 28
Parts and Controls .......................... 29
Specifications ................................. 31
Special Accessories ....................... 32
Maintenance and Repairs ............... 32
Warranty Statement ........................ 33
*
see "Guide to Using this Manual"
STIHl
BR 340, BR 340 L, BR 420, BR 420 C
english / USA
Allow only persons who understand this
Manual to operate your blower.
To receive maximum performance and
satisfaction from your STIHL blower, it is
important that you read and understand
the maintenance and safety precautions,
starting on page 3, before using your
blower.
Contact your STIHL dealer or the STIHL
distributor for your area if you do not
understand any of the instructions in this
Manual.
!
Warning!
Because a blower is a high-speed tool,
some special safety precautions must
be observed as with any other power
tool to reduce the risk of personal injury.
Careless or improper use may cause
serious or even fatal injury.
STIHL's philosophy is to continually
improve all of its products. As a result,
engineering changes and improvements
are made from time-to-time. If the
operating characteristics or the
appearance of your blower differs from
those described in this Manual, please
contact your STIHL dealer for
information and assistance.
1
Advertisement
Table of Contents
Related Manuals for Stihl BR 420 C
Summarization of Contents
Manual Navigation and Safety Fundamentals
Guide to Using this Manual
Explains manual structure, pictograms, text symbols, and engineering notes.
Essential Safety Precautions
Covers blower danger, operator condition, vibration risks, and basic PPE.
Operational Safety and Fueling
Protective Gear and Health Hazard Warnings
Details protective clothing, footwear, and risks from dust, fumes, and chemicals.
Fuel Handling and Pre-Start Procedures
Covers safe fueling practices and pre-start inspections of the unit.
Product Assembly, Starting, and Operation
Assembling the Blower Components
Instructions for mounting the elbow, blower tubes, nozzles, and control handle.
Starting and Stopping the Engine
Detailed steps for starting, stopping, and troubleshooting engine ignition issues.
Using the Blower and Airflow Safety
Guidance on blower operation, including the initial break-in period.
Maintenance and Troubleshooting
Air Filter, Motor, and Carburetor Maintenance
Covers cleaning the air filter, motor management, and carburetor settings.
Spark Plug and Muffler System Checks
Details checking the spark plug and cleaning the spark arresting screen in the muffler.
Component Replacement and Storage
Steps for replacing starter rope/spring and instructions for storing the machine.
Technical Reference and Warranty
Maintenance Chart and Parts Identification
Outlines maintenance intervals, identifies parts, and provides definitions.
Specifications and Emission Control Warranty
Details technical data, special accessories, and the emission control warranty statement.
Need help?
Do you have a question about the BR 420 C and is the answer not in the manual?
Questions and answers