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l. 

Cable Adjuster Sleeve 

Carburetor Throttle Cam 

With the air cleaner cover removed,  insert the 

throttle cable through the cable adjuster sleeve on 

the carburetor bracket.  Make sure the end of the 

cable housing is seated positively in the sleeve. 

l. 

2. 

Install the plastic  tube around  the  throttle cable 

and stop switch wires. 

Connect the stop switch wires, and hold the wires 

with the clamp. 

2. Position the slotted fitting on the carburetor so the

recessed hole for the cable lug is  away from the

cable adjuster sleeve.

Installing Trimmer Head Shield 

3. Rotate the carburetor throttle cam counterclock­

wise and slip the throttle cable through the slot  in

the slotted fitting, making sure the cable lug drops

into the recessed hole.

4. Operate the  throttle trigger a few  times to make

sure that it works correctly.

5. Adjust the cable' adjuster sleeve so the stop on the

carburetor throttle cam just contacts the throttle

stop when the throttle trigger is fully depressed.

6. When the throttle cable is adjusted correctly, tight­

en the locknut.

Connecting Stop Switch Wires 

Stop Switch Wires 

Throttle Cable 

-10-

WARNING 

POTENTIAL HAZARD 

• Foreign  objects  can  be  thrown  by

Trimmer.

WHAT CAN HAPPEN 

• Contact  with  thrown  objects  can  cause

personal injury.

HOW TO AVOID THE HAZARD 

• Never  operate the  Trimmer  without  the

trimmer head shield in place.

·

CAUTION

POTENTIAL HAZARD 

• The cutoff blade is sharp.

WHAT CAN HAPPEN

·•  Contact  with  cutoff  blade  could  cause

serious cuts or personal injury.

HOW TO AVOID THE HAZARD

• Keep hands, feet and clothing away from

cutoff blade.

Summary of Contents for BCL2250

Page 1: ...MARUYAMA String Trimmer BCL2250 BCL2550 BCL2250C Owner s Operator s Manual Completely read and understand this manual before using this product...

Page 2: ...und to be defectivein material and workmanship fortwo 2 years from origi nalretail delivery date Emission related parts are the carburetor assembly the ignition coil assembly the ignition rotor and th...

Page 3: ...ine at no cost to you including diagnosis if the diagnostic work is performed at an authorized dealer parts and labor MANUFACTURER S WARRANTY COVERAGE 1997 and later model year small nonroad engines a...

Page 4: ...nes that a warranted part is defective Any manufacturer approved or equivalent replace ment part may be used for any warranty maintenance or repairs on emission related parts and must be provided free...

Page 5: ...ibutors and dealers want you tobe completely satisfied with your new product Please feel free to contact your local Authorized Service Dealer for help with service genuine Maruyama parts or other info...

Page 6: ...toy Never allow adults to operate the unit without first reading theOperator s Manual Always wear eye protection that complies with ANSI American Natio nal Standards Institute Z87 I 4 Always wear hear...

Page 7: ...re stor Fuel Safety ing the unit l Gasoline is highly flammable and must be handled and stored carefully Use a container approved for fuel for storing gasoline and or fuel oil mixture 2 Mix and pour f...

Page 8: ...allow children to operate the Trimmer 8 Use the Trimmer only in daylight or good artifi cial light 9 Never operate the Trimmer without proper guards or other protective safety devices in place I 0 Alw...

Page 9: ...E 9EFOAE oJUST Na 5HIELD OR PERFORMINGANY SE ON SHAFT Models BCL2250 BCL2250C BCL2550 Part No 221501 tt 4DANGER IMffiOPEAUSEOFl llSEQIJIPJ IEN fC o 1C WSE IN Jt RY JJ WAYSUSECORRECTATTACKMENl S SHIB D...

Page 10: ...lip the rubber sleeve around the shaft approxi mately 9 inches 22 8 cm from the end ofthe stop switch throttle trigger assembly for an initial han dle position 2 Rotate the rubber sleeve so the split...

Page 11: ...aking sure the cable lug drops into the recessed hole 4 Operate the throttle trigger a few times to make sure that it works correctly 5 Adjust the cable adjuster sleeve so the stop on the carburetor t...

Page 12: ...BCL2550 IMPORTANT Make sure the trimmer head is for LEFT HAND ROTATION counterclock wise as viewed from the operator s position and that the trimmer head adapter is a male M8 x 1 25 left hand thread I...

Page 13: ...the gearcase Before Operation Oil and Fuel A DANGER POTENTIAL HAZARD In certain conditions gasoline is extreme ly flammable and highly explosive WHAT CAN HAPPEN A fire or explosion from gasoline can...

Page 14: ...ve the proper additives for air cooled 2 cycle engines and can cause engine damage Recommended Fuel Type Use clean fresh lead free gasoline including oxygenat edor reformulated gasoline with an octane...

Page 15: ...rk the container to identify it as fuel mix for the Trimmer 3 Use regular unleaded gasoline and fill the contain er with half the required amount ofgasoline 4 Pour the correct amount of oil into the c...

Page 16: ...o allow it to return to the idle position If the engine stops running before you move the choke lever to the open I I position A Go ahead and open the choke B Make sure the throttle trigger is set to...

Page 17: ...between 2700 and 3300 RPM or just below the clutch engagement speed The cutting head must not rotate and the engine should not stall stop running at engine idle speed To adjust the engine idle speed...

Page 18: ...immer engine when moving between work sites A CAUTION Always wear gloves and protective cloth ing when operating the String Trimmer If the trimmer head becomes jammed stop the engine immediately Make...

Page 19: ...nt in performance and durability to authorized parts may impair the effectiveness of the emission control system and may have a bearing on the outcome of a warranty claim Air Filter Maintenance Interv...

Page 20: ...ank 7 Make sure that the fuel filter is not stuck in a cor ner of the tank and that the fuel hose is not dou bled over kinked before refueling Spark Plug Maintenance Interval The spark plug should be...

Page 21: ...debris from the cooling fins and from aro_und thecylinder base 4 Reinstall the cylinderand muffler covers Spark Arrester A WARNING POTENTIAL HAZARD Muffler surface becomes hot when Trimmer is in oper...

Page 22: ...ss adapter and grease plug General Cleaning and Tightening A WARNING POTENTIAL HAZARD When engine is running cutting head is rotating and other parts are moving WHAT CAN HAPPEN Contact with rotating c...

Page 23: ...se eye injuries HOW TO AVOID THE HAZARD Protect your eyes and keep your face away from the spark plug opening 6 Pull the starter grip once 7 Slowly pull the starter grip to bring the piston to the top...

Page 24: ...Cutting Dirty air filter Clean or replace air filter Iffurther assistance is required contact your local authorized Maruyama service dealer Specifications BCL2250C BCL2250 BCL2550 Weight 9 8 lbs 4 4...

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