Stihl BR 550 Support Question
Stihl BR 550 Support Question
Find answers below for this question about Stihl BR 550.Need a Stihl BR 550 manual? We have 3 online manuals for this item!
Question posted by gback731 on May 5th, 2019
Br550 Backpack Blower Spark Plugs Gap
What is the correct spark plugs gap for BR550 blower?
Current Answers
Answer #1: Posted by Odin on May 5th, 2019 5:02 PM
Odin
Member since:
April 10th, 2010 Points: 41,236,690
Member since:
April 10th, 2010 Points: 41,236,690
Related Stihl BR 550 Manual Pages
Product Instruction Manual - Page 3
...dealer or the STIHL distributor for your blower. M47.F11.CP. 0000000717_005_GB
{
BR 500, BR 550, BR 600
1
Because a blower is 37 important that you can be... the Carburetor
22
Spark Plug
23
Spark Arresting Screen in chapter "Safety Precautions and Working Techniques" before using your blower. Warning! To receive maximum performance and 35 satisfaction from your STIHL blower, it is a...
Product Instruction Manual - Page 6
..., BR 550, BR 600 English
Proper Clothing
Warning! To reduce the risk of injury to the control handle, and (2) a metal ring with nonslip soles.
To reduce the risk of injury, the operator should have it is especially true in good condition before continuing work. Power tool noise may , in the blower tubes and equalize...
Product Instruction Manual - Page 8
...found, stop switch. it may cause arcing that the spark plug boot is particularly important to keep them free of cap correctly positioned for installation
To return the cap to suit your... practicing as possible.
Unit vibrations can result from the fueling spot, outdoors only.
6
BR 500, BR 550, BR 600
Keep the handles clean and dry at tightening. If any such damage is damaged...
Product Instruction Manual - Page 11
... the risk of fire from any nonroad engine repair establishment
BR 500, BR 550, BR 600
9 Warning! To reduce risk of the blower. Let the engine cool down sitting on concrete, metal...spark plug) become hot during operation and remain hot for certain uses. If you suspect a clogged screen, have your unit with the cooling process of the engine (e.g. Warning! Due to idle or is correct...
Product Instruction Manual - Page 12
... for maintenance and repair. Warning! Never test the ignition system with the boot removed from the spark plug or with the skin and avoid inhaling fuel vapor!
10
BR 500, BR 550, BR 600 Do not operate your machine with a spark-arresting screen to use . Your muffler is damaged, missing or modified. In California, it is responsible...
Product Instruction Manual - Page 25
... the low speed screw (L) clockwise, no further than stop . N Unscrew the spark plug (2). BR 500, BR 550, BR 600
23 Adjusting idle speed
Engine stops while idling
N Check the standard setting. Erratic idling behavior, engine stops even though setting of LA screw has been corrected, poor acceleration
Idle setting is usually necessary to change the setting of...
Product Instruction Manual - Page 26
... the Spark Plug
Installing the spark plug
1
A
N Clean dirty spark plug. Rectify problems which have caused fouling of fire and burn injury, use only spark plugs authorized by STIHL. operating at part load.
2
Warning! see "Specifications". N Use only resistor type spark plugs of the proper size. (Note: If terminal has detachable SAE adapter nut, it down firmly).
24
BR 500, BR 550, BR...
Product Instruction Manual - Page 30
...
X
Antivibration elements
Check
X
Have replaced by dealer1)
X
X
28
BR 500, BR 550, BR 600
If your daily working time is longer or operating conditions are difficult...
Fuel tank
Clean
X
Check idle adjustment
X
X
Carburetor
Readjust idle
X
Readjust electrode gap
X
Spark plug
Replace after every 100 operating hours
Cooling inlets
Visual inspection Clean
X X
Valve clearance...
Product Instruction Manual - Page 32
... 17 16 18
15 19
20
1 Straight Nozzle 2 Blower Tube (BR 550 / 600) 3 Blower Tube (BR 500) 4 Blower Tube (BR 500 / 550 / 600) 5 Control Handle 6 Throttle Trigger 7 Setting Lever 8 Pleated Hose 9 Harness 10 Backplate 11 Intake Screen 12 Air Filter Cover 13 Fuel Filler Cap 14 Spark Plug Boot 15 Muffler (with Spark Arresting
Screen) 16 Carburetor Adjusting Screws 17 Choke...
Product Instruction Manual - Page 33
Blower Tube (BR 500) Directs the airstream.
4. Throttle Trigger Controls the speed of the user.
11. Fuel Filler Cap For closing the fuel tank.
14. Spark Plug Boot Connects the spark plug with Spark Arresting .... (64.8 cm3) 1.97 in. (50 mm) 1.3 in. (33 mm) 2,500 rpm
BR 500, BR 550, BR 600
31 Starter Grip The grip of fire.
16. Sets the throttle to help protect against static ...
Product Instruction Manual - Page 34
... ignition (breakerless)
Spark plug (resistor NGK CMR 6 H,
type):
BOSCH USR 4AC
Electrode gap:
0.028 in. (0.7 mm)
Fuel System
dry BR 500: BR 550: BR 600:
All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 47.3 fl.oz (1.4 L)
Blower Data
Maximum air flow rate
BR 500:
812 cf/min (1380 m3/h)
BR 550:
877 cf/min (1490 m3/h)
BR 600:
1012...
Product Instruction Manual - Page 36
...part on the application of fuel and oil may require shorter maintenance intervals.
34
BR 500, BR 550, BR 600 Emission test may be used for the period of charge to the owner if...ratio of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Control Linkages
- Spark Plug
-
However, if you have signed and sent back the warranty card to meet all applicable ...
Product Instruction Manual - Page 37
... Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings,... responsible for performance of your small off -road equipment engine. If
BR 500, BR 550, BR 600
35
Owner's Warranty Responsibilities
As the small off-road equipment engine...
Product Instruction Manual - Page 39
...STIHL WOOD BOSS® TIMBERSPORTS® WOOD BOSS® YARD BOSS®
BR 500, BR 550, BR 600
English
Some of a warranted part still under warranty. That notwithstanding, any...Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings...
Technical Guide - Page 1
Technical description 2. Service accessories and special tools 5. Series 4282
Contents 1. Specifications 3. STIH)
Technical Information
08.2005
New STIHL BR 500, BR 550 and BR 600 backpack blowers - Accessories 4. Service notes
TI_08_2005_11_01_02.fm
englisch / English
Technical Guide - Page 2
...BR 550 has an attractive price with the simplified starting procedure. The STIHL 4-MIX engine of the strongest blowers in storage.
1. Before starting .
If the arrester is damaged, replace it (see if it is especially low-noise yet highly powerful for superior wearing comfort.
The BR 500 is
intact and seated correctly... STIHL BR 500, BR 550 and BR 600 backpack blowers are ...
Technical Guide - Page 8
...BR 500
5,500 rpm 1,380 m³/h 810 m³/h
81m/s 86 dB(A) 95 dB(A)
BR 550...BR 600
7,200 rpm 1,720 m³/h 1,210 m³/h
90 m/s 96 dB(A) 105 dB(A)
1.7 m/s2 1.4 m/s2 9.9 kg
1.5 m/s2 1.6 m/s2 9.7 kg
1.7 m/s2 1.8 m/s2 9.5 kg
1) Weighted equivalent level includes idling, full load and racing with the same duration of the
ignition timing
Spark plug (suppressed): NGK CMR 6 H
Electrode gap...
Technical Guide - Page 13
..." must be used for users.
5.4 Valve clearance
The valve clearance must be checked once after approx. 139 hours of operation and adjusted if necessary.
Unscrew spark plug
5.3 Accelerator pump
The carburetor is equipped with rewind starter . Clean area around valve cover . See instructions for use, "Setting the carburetor," to set the carburetor...
Technical Guide - Page 16
... Rotate the crankshaft twice until the tip of 6 Nm . Screw in spark plug, fit shroud, and plug in position (arrows) . Fit starter cover and tighten down screws . Switch... clockwise to reduce the valve clearance or anticlockwise to increase it warm up . Fit gasket (1) in spark
plug boot . Page 16 5.4.5 Set valve clearance
Technical Information 08.2005
5.4.6 Assembly Use the gaskets in ...
Technical Guide - Page 17
... body parts must be at least 1 cm away from the
spark plug, and screw out the spark plug.
. Connect the spark plug boot to the muffler.
. TI_08_2005_11_01_02.fm Technical Information 08.2005...high voltage shock hazard! .
Check the cylinder, valve seat, piston and piston rings for the spark gap to approx. 2 mm. Check valve clearance, set if necessary and recheck the compression
If the...
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