Stihl BR 550 Support Question
Stihl BR 550 Support Question
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Question posted by michaelsweeney39 on August 17th, 2015
My Br550 Will Start But Will Not Rev Up
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Current Answers
Answer #1: Posted by waelsaidani1 on August 29th, 2015 10:11 AM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,797
Member since:
May 12th, 2013 Points: 19,501,797
There are several things you can check: first, make sure that you are using fresh fuel mix (never store or use fuel mix older than 60 days in can or fuel tank), second, clean spark arrester screen in the muffler, third, replace fuel filter in fuel tank, fourth, clean or replace air filter. If none of these work please take the machine to your local authorized STIHL servicing Dealer for evaluation
Answer #2: Posted by TechSupport101 on August 29th, 2015 10:29 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Related Stihl BR 550 Manual Pages
Product Instruction Manual - Page 3
... as with any of personal injury.
M47.F11.CP. 0000000717_005_GB
{
BR 500, BR 550, BR 600
1 Original Instruction Manual
Printed on chlorine-free paper Printing inks ...Harness
14
4-MIX Engine
14
Fuel
15
Fueling
16
Winter Operation
18
Information Before You Start
18
Starting / Stopping the Engine
19
Operating Instructions
21
Replacing the Air Filter
21
Engine Management...
Product Instruction Manual - Page 4
...of its individual components. The use may be covered in this manual. Warning!
BR 500, BR 550, BR 600
As a result, engineering changes and improvements are explained in this manual.
... the risk of personal injury. The individual steps or procedures described in yards, gardens, sport stadiums, parks, driveways and parking lots.
If the operating characteristics or the...
Product Instruction Manual - Page 5
... and burning sensations and may result in use it for those persons using power tools on a regular or sustained basis.
- Prolonged use of a blower involves
1. BR 500, BR 550, BR 600
3
Product Instruction Manual - Page 7
... it is not properly seated and tightened and you must repeat the above steps.
452BA116 KN
BR 500, BR 550, BR 600
5 Note that combustible fuel vapor may build up . Fueling Instructions
Warning! Always shut...Using the grip, press the cap down . Do not smoke or bring any spilled fuel before starting your power tool in the filler opening . In order to cool before taking the machine off ...
Product Instruction Manual - Page 8
... may slip out of fire and burn injuries, start the engine at least 10 feet (3 m) from the fueling spot, outdoors only.
6
BR 500, BR 550, BR 600 Never attempt to the idle position. Warning!... in relation to the top) to suit your power tool for proper condition and operation before starting , particularly the throttle trigger, setting lever and stop using the machine in your power tool....
Product Instruction Manual - Page 9
... a well-ventilated area. Maintain good balance and secure footing.
Warning!
Special care must be possible to start your machine under good visibility and daylight conditions only. To reduce the risk of stumbling and loss of..., insure that is a one shoulder.
Working Conditions
Operate and start it under control at least 50 feet (15 m) away during use. BR 500, BR 550, BR 600
7
Product Instruction Manual - Page 20
engine runs or is otherwise a risk of the setting lever
Engine stop 0 - Lock position C - N Refit the filter cover and air filter
element. exposure to start. Normal run position F.
3
452BA085 KN
N Loosen the screw (3). 18
BR 500, BR 550, BR 600 To disengage the lock, move the setting lever (1) back to overheating.
452BA086 KN
Information Before You...
Product Instruction Manual - Page 21
... choke knob to ensure that bystanders are well clear of the nozzle outlet.
BR 500, BR 550, BR 600
19
Starting / Stopping the Engine
Starting the engine
Cold engine (cold start )
Starting
English
N The setting lever (1) must be on F
N Turn the choke knob to n.
Start your left hand on the ground and make sure that no more than three...
Product Instruction Manual - Page 22
...".
even if the bulb is cold: N Turn the choke knob to n and
continue cranking until the engine runs. If the engine does not start the engine.
20
BR 500, BR 550, BR 600
English When the engine begins to fire:
At very low outside temperatures:
If the engine is filled with fuel. the engine stops...
Product Instruction Manual - Page 23
...speed so that engine heat can be dissipated by the flow of cooling air. N Insert the screws and tighten them
down . BR 500, BR 550, BR 600
21
N Remove the filter cover (2).
For longer out-ofservice periods - see "Storing the Machine". N Turn the choke...overload. After Finishing Work
Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult.
Product Instruction Manual - Page 24
... screw (LA) slowly clockwise until the engine runs smoothly. This setting provides an optimum fuel-air mixture under most operating conditions. N Start and warm up the engine.
22
BR 500, BR 550, BR 600
Machines with adjustable carburetor
The carburetor comes from the factory with a standard setting.
Such machines have been set at the factory...
Product Instruction Manual - Page 25
... smoothly. These factors cause deposits to form on power, difficult to start or runs poorly at Sea Level
At high altitude
N Turn high speed screw (H) clockwise (leaner) -
Fit a new spark plug after every correction to insufficient lubrication and overheating. BR 500, BR 550, BR 600
23 At sea level
N Turn high speed screw (H) counterclockwise (richer...
Product Instruction Manual - Page 30
before starting work after finishing work area, etc.), shorten the specified intervals accordingly. If your daily working time is...X X
All accessible screws and nuts (not adjusting screws)
Retighten
X
Antivibration elements
Check
X
Have replaced by dealer1)
X
X
28
BR 500, BR 550, BR 600 English
Maintenance and Care
The following intervals apply to normal operating conditions only.
Product Instruction Manual - Page 31
... screen
Check Clean
Throttle cable
Adjust
Safety labels
Replace
1) STIHL recommends a STIHL servicing dealer. 2) not in all versions, market-specific
X
X
before starting work after each refueling stop weekly monthly every 12 months if problem if damaged if required
English
X X X
BR 500, BR 550, BR 600
29 The following intervals apply to normal operating conditions only.
Product Instruction Manual - Page 33
...speed:
3.95 cu. Pleated Hose For blowing in . (33 mm) 2,500 rpm
BR 500, BR 550, BR 600
31 Fuel Tank For fuel and oil mixture. Specifications
English
EPA / CEPA
The Emission... Blower Tube (BR 550 / 600) Directs the airstream.
3. Blower Tube (BR 500 / 550 / 600) Directs the airstream.
5. Sets the throttle to reduce the risk of operating hours for starting by enriching mixture...
Product Instruction Manual - Page 36
...regarding quality and mixing ratio of fuel and oil may require shorter maintenance intervals.
34
BR 500, BR 550, BR 600
Catalytic Converter (if applicable)
- Fuel Line
- STIHL Incorporated also warrants to... such work will be free of sale, to any independent test laboratory. Choke (Cold Start Enrichment System)
- Spark Plug
- Fasteners
Where to make a Claim for any emission-...
Product Instruction Manual - Page 37
... off-road equipment engine to a STIHL servicing dealer as soon as :
Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable... be repaired or replaced by STIHL Incorporated,
and
N replacement of charge. If
BR 500, BR 550, BR 600
35
Product Instruction Manual - Page 39
...under warranty. Emission Warranty Parts List
Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module...; STIHL WOOD BOSS® TIMBERSPORTS® WOOD BOSS® YARD BOSS®
BR 500, BR 550, BR 600
English
Some of STIHL's Common Law Trademarks
BioPlus™ Easy2Start™ EasySpool&#...
Technical Guide - Page 2
... electrostatic shock.
TI_08_2005_11_01_02.fm Page 2
Technical Information 08.2005
The new STIHL BR 500, BR 550 and BR 600 backpack blowers are equipped with an adjustable carrying system with far aboveaverage blowing strength. The BR 550 has an attractive price with breathing padding for starting the blower, check to transport and saves space in the blower tube...
Technical Guide - Page 12
...Set the speed to 3,300 rpm again with the high-speed adjusting screw (H): BR 500: 5,500 rpm BR 550: 6,100 rpm BR 600: 7,200 rpm
If you make the setting too lean it will increase ... rpm with step 1.
3.
Align the new limiter caps for the adjusting
screws on the stop and start again with low-speed adjusting screw (L).
5.
Turn the low-speed adjusting screw (L) clockwise or anticlockwise ...
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