Table of Contents
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Table of Contents
Related Manuals for Maruyama BST23
Summary of Contents for Maruyama BST23
- Page 1 String Trimmer BST23, BST23C...
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Page 2: Limited Warranty Statement
Any warranted part which is scheduled for replacement as required maintenance shall be warranted for the period of time up to the first scheduled replacement point for that part. Maruyama Mfg. Co., Inc. is liable for damages to other engine components caused by the failure of warranted part still under warranty. -
Page 3: Your Warranty Rights And Obligations
U.S. EPA stan- dards for the first two years of engine use from the date of sale to the ultimate purchaser. Maruyama Manufacturing Company, Inc. must warrant the emission control system on your small nonroad engine for the period of time listed above provided there has been no abuse, neglect or improper maintenance of your small nonroad engine. -
Page 4: California Emission Control
Maruyama Manufacturing Company, Inc. is liable for damages to other engine components caused by the failure of a warranted part still under warranty. -
Page 5: Table Of Contents
Contents Page Page Limited Warranty Statement ........1 Starting And Stopping ......... 16 California Emission Control ........3 Trimmer Operation............ 17 Introduction ..............5 Trimmer Operating Position ........ 18 Safety................6 Cutting with Nylon Trimmer Line....... 18 Operator Safety ............6 Maintenance .............. -
Page 6: Introduction
Introduction Thank you for purchasing a Maruyama product. Model Name Maruyama, it’s distributors, and dealers want you to be completely satisfied with your new product. Please feel free to contact your local Authorized Service Dealer for Serial No. help with service, genuine Maruyama parts, or other information you may require. -
Page 7: Safety
The Maruyama warning system in this manual identi- Always wear hearing protection. fies potential hazards and has special safety messages that help you and others avoid personal injury, even death. DANGER, WARNING and CAUTION are sig- nal words used to identify the level of hazard. -
Page 8: Fuel Safety
Never use a cutting head or replacement parts that are not approved by Maruyama. Maintain the Trimmer according to the recom- mended maintenance intervals and procedures in the Maintenance section on page 20. - Page 9 50 ft. (15 m Minimum) 12. Keep firm footing and balance. Do not overreach. 13. Use the right tool for the job. Do not use the Trimmer for any job that is not recommended by Maruyama. — 8 —...
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Page 10: Safety And Instruction Decals
Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. ON SHAFT (Part No.221501) ON SHAFT (Part No.221502) Product Description BST23 BST23C 10 12 1. Gearcase 10. Serial Number (on rear of engine) 2. Shaft Assembly 11. -
Page 11: Assembly
Assembly Assembling Engine and Drive Shaft Assembly The drive shaft, clutch drum housing and gearcase are assembled. Attach the clutch drum housing to the engine using the four M5 x 20 screws supplied with the unit. Engine M5 x 20 Screw (4) Shaft Slip the rubber sleeve around the shaft approxi- mately 9 inches (22.8 cm) from the end of the stop... -
Page 12: Connecting Stop Switch Wires
Connecting Stop Switch Wires Connecting Throttle Cable Throttle Cable Housing Shaft Grip Plastic Tube Cable Adjuster Sleeve Locknut Throttle Cable Cable Lug Stop Switch Wires Slotted Fitting Throttle Cable Recessed Hole Carburetor Throttle Cam Lock-nut Stop Switch Wires Cable Adjuster Install the plastic tube (packed with the drive shaft Sleeve Slotted Fitting... -
Page 13: Installing Trimmer Head Shield
Installing Trimmer Head Shield [Model: BST23] Fasten the string cutoff blade to the trimmer head WARNING shield with two M5 x 12 screws, lock washers and hex nuts as shown. POTENTIAL HAZARD • For eign objects can be thr own by Trimmer. -
Page 14: Installing Trimmer Head
[Model: BST23] [Model: BST23C] Installing Trimmer Head IMPORTANT: Make sure the trimmer head is IMPORTANT: Make sure the trimmer head is for RIGHT-HAND ROTATION (clockwise) as for LEFT-HAND ROTATION (counterclock- viewed from the operator’s position, and that wise) as viewed from the operator’s position, the trimmer head adapter is a female, M8 x 1.25... -
Page 15: Attaching Strap
[Model: BST23] to expand. Attaching Strap • Never smoke when handling gasoline, and stay away from an open flame or Snap the strap hook into the ring on the drive shaft. where gasoline fumes may be ignited by a spark. -
Page 16: Mixing Gasoline And Oil
Only use a two-cycle engine oil formulated for use in MARUYAMA DOES NOT RECOMMEND high-performance, air-cooled two-cycle engines. STABILIZERS WITH AN ALCOHOL BASE Maruyama brand 2-cycle oil is formulated for use in SUCH AS ETHANOL, METHANOL OR ISO- high-performance, air-cooled two-cycle engines. PROPYL. ADDITIVES SHOULD NOT BE... -
Page 17: Starting And Stopping
Starting And Stopping Fuel Mixture Chart Gasoline 50:1 2-cycle oil Before Starting The Engine 1 gallon 2.6 oz. 2 gallons 5.1 oz. Fill the fuel tank as instructed in the Before Operation section of this manual. 5 gallons 12.8 oz. 1 litre 20 ml Rest the Trimmer on the ground. -
Page 18: Trimmer Operation
Cold Starting STOP Procedure section above. START (ON) If the engine fails to start after you follow the Stop Switch above procedures, contact an authorized Maruyama dealer. Throttle Trigger (In fast-idle start position) Fast-idle lock Throttle Trigger To Stop The Engine: (In idle position) Release the throttle trigger. -
Page 19: Trimmer Operating Position
Trimmer Operating Position CAUTION • Always wear gloves and protective cloth- Hearing Protection ing when operating the String Trimmer. Eye Protection Right Arm Slightly Bent • If the trimmer head becomes jammed, stop the engine immediately. Left Arm Fully Extended, Hand Holding Loop Handle •... -
Page 20: Brushcutter Operation
INCORRECT Mowing Keep the line parallel to the ground and use a gentle Trimming side-to-side motion. Hold the bottom of the trimmer head about 3 in. (7.6 cm) above the ground and at an angle. Allow only the tip of the line to make contact. Brushcutter Operation Three inches (7.6 cm) -
Page 21: Maintenance
Trimmer immediately! POTENTIAL HAZARD • Engine must be running to make some carburetor adjustments. Contact your local authorized Maruyama Dealer for • When engine is running, cutting head is assistance and servicing. rotating and other parts are moving. -
Page 22: Fuel Filter
Air Filter Cleaning Fuel Filter Maintenance Interval Foam Element The fuel filter should be replaced after every 100 hours of operation. Fuel Filter Replacement The fuel filter is attached to the end of the fuel pick-up hose inside the fuel tank. Air Filter Cover Open the air filter cover. -
Page 23: Spark Plug
Spark Plug Cylinder Cooling Fins Maintenance Interval Maintenance Interval • The spark plug should be removed from the The cylinder cooling fins should be cleaned after every engine and checked after each 25 hours of opera- 25 hours of operation, or once a week, whichever tion. -
Page 24: Spark Arrester
Spark Arrester Remove and clean the tail and spark arrester with a safety solvent and a stiff brush. If any part can- not be thoroughly cleaned, it must be replaced. WARNING Reinstall the spark arrester and tail onto the muf- POTENTIAL HAZARD fler, then reinstall and tighten the two screws. -
Page 25: Flexible Driveshaft
[Model: BST23C] Perform all regular maintenance procedures and any needed repairs. Maintenance Interval Remove the spark plug and squirt a very small amount of oil into the cylinder. The flexible driveshaft should be lubricated after each 30hours of operation. Driveshaft Lubrication Loosen the two screws on the bearing case and remove the bearing case. -
Page 26: Troubleshooting
Engine Lacks Power or Stalls When Throttle wire has come loose Tighten throttle wire Cutting Dirty air filter Clean or replace air filter If further assistance is required, contact your local authorized Maruyama service dealer. Maintenance Period Every Every Every Maintenance... -
Page 27: Specifications
Specifications BST23 BST23C 10.1 lbs 9.7 lbs Weight ※ (4.6 Kg) (4.4 Kg) Engine Displacement 22.5 cm 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 Ratio... - 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...
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