Maruyama BST23 Assembly, Parts And Operator'S Manual Download Page 28

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Maruyama U.S., Inc.
Post Office Box 309
Auburn, WA 98071-0309
253-735-7368 voice
253-735-1416 fax

www.maruyama-us.com
226405-00 03.07 TAP/M

Summary of Contents for BST23

Page 1: ...String Trimmer BST23 BST23C...

Page 2: ...workmanship for two 2 years from origi nal retail delivery date Emission related parts are the carburetor assembly the ignition coil assembly the ignition rotor and the spark plug Any replacement part...

Page 3: ...ater model year small nonroad engines are warranted for two years If any emission related part on your engine is defective the part will be repaired or replaced by Maruyama Manufacturing Company Inc f...

Page 4: ...rmines 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 f...

Page 5: ...es 11 Connecting Throttle Cable 11 Installing Trimmer Head Shield 12 Installing Trimmer Head 13 Attaching Strap 14 Before Operation 14 Oil and Fuel 14 Mixing Gasoline And Oil 15 Page Starting And Stop...

Page 6: ...mation about your specific product You will find the model and seri al number located in a unique place on the product Product Description on page 9 For your convenience write the product model name a...

Page 7: ...toy Never allow adults to operate the unit without first reading the Operator s Manual 3 Always wear eye protection that complies with ANSI American National Standards Institute Z87 1 4 Always wear h...

Page 8: ...il mixture 2 Mix and pour fuel outdoors and where there are no sparks or flames 3 Do not smoke near fuel or Trimmer or while using the Trimmer 4 Do not overfill the fuel tank Stop filling 1 4 1 2 inch...

Page 9: ...hildren to operate the Trimmer 7 Use the Trimmer only in daylight or good artifi cial light 8 Never operate the Trimmer without proper guards or other protective safety devices in place 9 Always keep...

Page 10: ...iption BST23 1 2 3 4 5 6 7 8 9 10 12 11 13 15 16 1 Gearcase 2 Shaft Assembly 3 Model Name 4 Loop handle 5 Attachment Ring for Shoulder Harness 6 Throttle Trigger and Stop Switch 7 Shaft Grip 8 Clutch...

Page 11: ...ft approxi mately 9 inches 22 8 cm from the end of the stop switch throttle trigger assembly for an initial han dle position 2 Rotate the rubber sleeve so the split is to one side 3 Place the loop han...

Page 12: ...ssed hole for the cable lug is away from the cable adjuster sleeve 3 Rotate the carburetor throttle cam clockwise and slip the throttle cable through the slot in the slot ted fitting making sure the c...

Page 13: ...n ONLY AS NEEDED 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 cl...

Page 14: ...ad is for RIGHT HAND ROTATION clockwise as viewed from the operator s position and that the trimmer head adapter is a female M8 x 1 25 right hand thread 1 Align the hole in the boss adapter with the g...

Page 15: ...IAL HAZARD In certain conditions gasoline is extreme ly flammable and highly explosive WHAT CAN HAPPEN A fire or explosion from gasoline can burn you others and cause property damage HOW TO AVOID THE...

Page 16: ...UEL ADDITIVES OTHER THAN THOSE MANUFACTURED FOR FUEL STABILIZATION DURING STORAGE SUCH AS MARUYAMA S STABILIZER CONDITIONER OR A SIMILAR PRODUCT MARUYAMA S STABILIZER CONDITION ER IS A PETROLEUM DISTI...

Page 17: ...a spout or funnel when fueling to reduce fuel spillage 9 Fill the tank only to within 1 4 1 2 inch 6 mm 13 mm from the top of the tank Avoid filling to the top of the tank filler neck Starting And Sto...

Page 18: ...arbu retor until fuel can be seen flowing through the fuel return line to the fuel tank 2 Move the choke lever to the open position and move the stop switch to the ON position 3 Leave the throttle tri...

Page 19: ...allow the engine to return to idle speed when not cutting 7 Stop the Trimmer engine when moving between work sites If the trimmer head becomes jammed stop the engine immediately Make certain all movin...

Page 20: ...cutting the vegetation off at the surface Mowing Keep the line parallel to the ground and use a gentle side to side motion Brushcutter Operation INCORRECT Three inches 7 6 cm Above Ground WARNING POT...

Page 21: ...uld not stall stop running at engine idle speed To adjust the engine idle speed rotate the idle speed adjustment screw on the carburetor Turn the idle speed screw in clockwise to increase the engine i...

Page 22: ...nt The fuel filter is attached to the end of the fuel pick up hose inside the fuel tank To replace the fuel filter 1 Make sure the fuel tank is empty 2 Remove the fuel cap 3 Using a wire hook gently p...

Page 23: ...en the spark plug when installing The tightening torque is 95 148 in lbs 10 7 16 6 N m Cylinder Cooling Fins Maintenance Interval The cylinder cooling fins should be cleaned after every 25 hours of op...

Page 24: ...ld be checked for lubrication after each 30 hours of use Gearcase Lubrication Remove the cutting attachment and the boss adapter Clean any dirt and debris from the area between the boss adapter and th...

Page 25: ...el tank into a suitable fuel storage container 2 Pump the primer bulb on the carburetor until all fuel is discharged through the clear fuel return hose 3 Run the engine to remove any fuel that may rem...

Page 26: ...set to off position Move switch to on position Empty fuel tank Fill fuel tank Primer bulb wasn t pushed enough Press primer bulb until fuel flows through fuel return line Engine flooded Use warm engin...

Page 27: ...lbs 4 6 Kg 4 4 Kg Engine Displacement 22 5 cm3 Anti Vibration Engine mount Loop Handle Grip Carburetor Walbro Diaphragm Type Ignition System Solid State Fuel Tank Capacity 0 58 qts 0 55 Gas to Oil Ra...

Page 28: ...Maruyama U S Inc Post Office Box 309 Auburn WA 98071 0309 253 735 7368 voice 253 735 1416 fax www maruyama us com 226405 00 03 07 TAP M...