Bolens BL150 manual Spark Arrestor Maintenance, Carburetor Adjustment

Page 14

SPARK ARRESTOR MAINTENANCE

NOTE: The exhaust can onHyflow in one direction: AWAY from the engine. Pay chose attention when disassemMing the muffHerso you can put it back together correctHy. FaiHureto do so will damage the unit and may cause serious personaH injury.

1.Remove air fiHterimuffHercover. Refer to Removing the Air Filter/Muffler Cover.

2.Locate the muffHer, but do not remove it. Find the two

(2)screws on the bottom of the muffler (Fig. 26). These two screws hoHdthe Spark Arrestor Hood AssemMy and the spark arrestor screen to the bottom of the muffler. Remove the two (2) screws using either a torx #20 or flat Made screwdriver.

3.Using a small fiat Made screwdriver, carefully pry up the spark arrestor screen from the recessed hoHe, taking care to notice that the "raised" part of the spark arrestor screen is inside the recessed hoHe. Remove the spark arrestor screen from the muffler.

4.CDan the spark arrestor screen with a wire brush. Replace it if it is damaged, or if you are unable to clean it thoroughly.

5.Reinstall the spark arrestor screen by putting the "raised" portion of the screen inside the recessed hole of the muffler. Make sure that the spark arrestor screen fits flat against the muffler.

6.Place the spark arrestor plate on top of the spark arrestor with the "raised" side up and the opening facing towards the engine (Fig. 26).

7.Place the spark arrestor hood on top of the spark arrestor plate with the "raised" side up and the

opening facing AWAY from the engine (Fig. 26). Verify that the exhaust will be directed AWAY from the

engine.

8.Replace the two screws you removed in Step 2 and tighten them securely.

9.Reinstall the air filter/muffler cover.

WARNING: iftheexhaust

deflector assembly is

not tightened securely, it could fall offcausing damage to the unit and possible serious

injury.

Mumer

 

 

 

 

 

Spark

Arrestor

 

 

 

 

 

Screen

 

 

 

 

 

,/

Plate

 

 

 

 

 

Spark Arrestor

 

 

 

 

 

 

Opening

Engine

 

 

 

 

 

 

 

 

Recessed

Hole

 

 

 

 

 

 

 

 

"\

Spark

Arrestor

Hood

Spark

Arrestor

Assembly

Includes:

Spark

Arrestor

PRate

Hood

 

 

 

 

Spark

Arrestor

Hood

 

 

Screws

and

Screws

 

 

 

 

 

 

 

 

Fig.

26

 

CARBURETOR ADJUSTMENT

The idle speed of the engine is adjustable through the air filter/muffler cover (Fig. 27).

NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make

carburetor adjustments.

Check Fuel Mixture

Old and/or improperly mixed fuel is usually the reason for improper unit performance. Drain and refill the tank with fresh, properly-mixed fuel prior to making any adjustments. Refer to Oil and Fuel information.

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Contents BL100 BL150 Cycle Gas Trimmers Spark Arrestor Note ContentsThank YOU Product Contains ChemicalsSafetywarning can Safety Warnings for GAS TrimmersSymbol Meaning For QUESTIONS, Call 1o800o520o5520Other Safety WARNmNGS WHmLE OPERATmNGAlwaysuse clean,freshunleadedfuel Appucatons Primer BumbInstall and Adjust the D-HANDLE Installing the Cutting Shield2FL OZ Using Bmended FuemsUnleaded GAS LiterStarting Instructions Starting PositionHolding the Trimmer UNE mNSTALLATmON MAmNTENANCESchedule Frequency MnntenanceForUsewithSingme Removing the Air Filter/Muffler Cover AIR Filter MaintenanceMNSTALUNG a Prewound Reel Spark Arrestor Maintenance Carburetor AdjustmentReplacing the Spark Plug Long Term Storage CleaningStorage TransportingReplaceorcleantheairfilter FillfueHtankwithpropedymixed fueHAir-CooHed,2-Cycle RPMCalifornia / EPA Emission ControJ Warranty Statement Manufacturers Limited Warranty for You