Maruyama B30 Le manuel du propriétaire

Marque: Maruyama

Modèle: B30

Taper: Le manuel du propriétaire

The P O WER in Outdoor P o w e r

Completely read and understand this manual PRIOR to using this product.

Lea y entienda este manual a fondo, ANTES de usar este producto.

Lisez complètement et comprenez ce manuel AVANT d'utiliser ce produit.

String Trimmer

Recortadora

Coupe-bordures

B23L/B27L/B27L TURBO/B30L/B30L TURBO

Brushcutter

Desbrozadora

Débrossailleur

B23/B27/B30

(shown with optional Bullhorn Handle Kit installed)

(mostrado con el kit opcional de empuñaduras Bullhorn instalado)

(illustré avec le kit optionnel de poignées Bullhorn installé)

OWNER'S/OPERATOR'S MANUAL

MANUAL DEL PROPIETARIO U OPERADOR

MANUEL DU PROPRIETAIRE/DE L'UTILISATEUR

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— US-1 —

Limited Warranty Statement

All Maruyama commercial/ industrial products are warranted to the original purchaser to be free from defects

in material and workmanship from the date of purchase for the time periods listed as follows:

Lifetime for inner drive shaft on trimmers and brushcutters and all ignition modules.

3 years for residential, non-institutional, non-income producing use.

1 year for industrial, commercial, institutional, rental and income producing use.

Maruyama AE series engines and Kawasaki TEX45/TEX54 are covered exclusively for one additional

year of industrial, commercial, institutional, rental and income producing use (total of 2 years).

All other engines refer to engine manufacturer's warranty statement.

Any part of a Maruyama product found to be defective within the applicable warranty period shall, at

Maruyama's option, be repaired or replaced without charge. Warranty consideration is obtained by delivering

any Maruyama product believed to be defective to an Authorized Maruyama Servicing Dealer within the

applicable warranty period.

The purchaser shall not be charged for diagnostic labor that leads to the determination that a warranted part

is defective, if the diagnostic work is performed at a Maruyama Dealer.

Any warranted part which is not scheduled for replacement as required maintenance, or which is scheduled

only for regular inspection to the effect of "repair or replace as necessary" shall be warranted for the warranty

period. 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 a warranted part still under warranty.

The purchaser is responsible for the performance of the required maintenance, as defined by Maruyama Mfg.

Co., Inc. in the Owner's/Operator's Manual.

EMISSION-RELATED PARTS WARRANTY: In addition to the above warranty coverage, Maruyama Mfg.

Co., Inc. will repair or replace, free of charge, for the original purchaser and each subsequent purchaser any

emission-related part or parts found to be defective in material and 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, the spark plug, the catalytic converter and the fuel tank. Any replacement part that is

equivalent in performance and durability may be used in non-warranty maintenance or repairs, and shall not

reduce the warranty obligations of Maruyama Mfg. Co., Inc.

232025-10.indd 1 13/12/25 14:51

— US-2 —

This warranty does not cover the following:

1. Maintenance items (excluding defects in materials and workmanship) including hoses, spark plugs,

starter rope, air and fuel filters, clutch shoes, vibration isolators, throttle cables and all cutting attach-

ments, etc.

2. Extra expenses including shipping and handling, travel, payment for lost time or pay and for any inconve-

nience and storage.

3. Alterations or modifications including aftermarket parts not authorized by Maruyama U.S., Inc.

4. Wear, accident, abuse, neglect, misuse, negligence, improper fuels, lubricants, fuel mixtures (when

applicable), or failure to operate or maintain the product in accordance with instructions approved by

Maruyama.

Repair or replacement as provided under this warranty is the exclusive remedy of the consumer. Maruyama

shall not be liable for any incidental or consequential damages for breach of any express or implied warranty

on these products except to the extent prohibited by applicable law. Any implied warranty of merchantability

or fitness for a particular purpose on these products is limited in duration to the warranty period as defined in

the limited warranty statement. Maruyama reserves the rights to change or improve the design of the product

without notice and does not assume obligation to update previously manufactured products.

This warranty provides you with specific legal rights, which may vary from state to state.

It is the Owner's and Dealer's responsibility to make sure the Warranty Registration Card is properly filled out

and mailed to Maruyama U.S., Inc. Proof of purchase and registration will be required in order to obtain war-

ranty service.

To locate an Authorized Maruyama Servicing Dealer nearest you, contact:

Maruyama U.S., Inc.

4770 Mercantile Drive, suite100,

Fort Worth, TX 76137 U.S. A.

(940) 383-7400

[email protected]m

www.maruyama-us.com

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— US-3 —

FEDERAL EMISSION CONTROL WARRANTY STATEMENT

YOUR WARRANTY RIGHTS AND OBLIGATIONS

The U.S. Environmental Protection Agency (EPA), and Maruyama Manufacturing Company, Inc.

are pleased to explain the emission control system warranty on your small off-road engine. New

1997 and later model year small off-road engines must be designed, built and equipped, at the time

of sale, to meet the U.S. EPA regulations for small off-road engines. The equipment engine must be

free from defects in materials and workmanship which cause it to fail to conform with 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 off-road

engine for the period of time listed above provided there has been no abuse, neglect or improper

maintenance of your small off-road engine.

Emission durability of 300 hours.

Your emission control system may include parts such

as the carburetor or fuel injection system, the

ignition system, and catalytic converter. Also included may be hoses, belts, and connectors and

other emission related assemblies.

Where a warrantable condition exists, Maruyama Manufacturing Company, Inc. will repair your

small off-road engine at no cost to you, including diagnosis (if the diagnostic work is performed at

an authorized dealer), parts, and labor.

MANUFACTURER'S WARRANTY COVERAGE:

The 1997 and later model year small off-road engines are warranted for two years. If any emis-

sion-related part on your engine is defective, the part will be repaired or replaced by Maruyama

Manufacturing Company, Inc. free of charge.

OWNER'S WARRANTY RESPONSIBILITIES:

(a) As the small off-road engine owner, you are responsible for the performance of the required

maintenance listed in your owner's/operator's manual.

Maruyama Manufacturing Company, Inc. recommends that you retain all receipts covering

maintenance on your small off-road engine, but Maruyama Man

ufacturing Company, Inc.

cannot deny warranty solely for the lack of receipts or for your failure to ensure the perfor-

mance of all scheduled maintenance. Any replacement part or service that is equivalent in

performance and durability may be used in non-warranty maintenance or repairs, and shall

not reduce the warranty obligations of the engine manufacturer.

The engine exhaust from this product

contains chemicals known to the State

of California to cause cancer, birth

defects or other reproductive harm.

WARNING

B23L/B23

B27L/B27

B27L TURBO

B30L/B30L TURBO/B30

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— US-4 —

(b) As the small off-road engine owner, you should be aware, however, that Maruyama

Manufacturing Company may deny you warranty coverage if your small off-road engine or a

part has failed due to abuse, neglect, improper maintenance or unapproved modifications.

Company, Inc. service center as soon as a problem exists. The warranty repairs should be

completed in a reasonable amount of time, not to exceed 30 days.

If you have any questions regarding your warranty rights and responsibilities, you should contact

Maruyama U.S., Inc. at 1-866-783-7400, or [email protected].

COVERAGE

Maruyama Manufacturing Company, Inc. warrants to the ultimate purchaser and each subse-

quent purchaser that your small off-road engine will be designed, built and equipped, at the time

of sale, to meet all applicable regulations. Maruyama Manufacturing Company, Inc. also warrants

to the initial purchaser and

each subsequent purchaser that your small off-road engine is free

from defects in materials and workmanship which cause the engine to fail to conform with applic-

able regulations for a period of two years.

The 1997 and later model years, EPA requires manufacturers to small off-road engines for two

years. These warranty periods will begin on the date the small off-road engine is purchased by

the initial purchaser. If any emission-related part on your engine is defective, the part will be

replaced by Maruyama Manufacturing Company, Inc. at no cost to the owner.

Maruyama Manufacturing Company, Inc. shall remedy warranty defects at any authorized

Maruyama Manufacturing Company, Inc. engine dealer or warranty station. Any authorized work

done at an authorized dealer or warranty station shall be free of charge to the owner if such work

determines that a warranted part is defective. Any man

ufacturer-approved or equivalent replace-

ment part may be used for any warranty maintenance or repairs on emission-related parts, and

must be provided free of charge to the owner if the part is still under warranty, Maruyama

Manufacturing Company, Inc. is liable for damages to other engine components caused by the

failure of a warranted part still under warranty.

EPA considers emission-related warranted parts to include all the parts listed below. These war-

ranted parts are:

the carburetor assembly, the ignition coil assembly, the ignition rotor, the

spark plug, the catalytic converter, and the fuel tank.

MAINTENANCE REQUIREMENTS

The owner is responsible for the performance of the required maintenance as defined by the

Maruyama Manufacturing Company, Inc. in the owner's/operator's manual.

LIMITATIONS

This Emission Control System Warranty shall not cover any of the following:

(a) repair or replacement required because of misuse or neglect, lack of required maintenance,

repairs improperly perfo

rmed or replacements not conforming to Maruyama Manufacturing

Company, Inc. specifications that adversely affect performance and/or durability, and alter-

ations or modifications not recommended or approved in writing by Maruyama Manufacturing

Company, Inc., and

(b) replacement of parts and other services and adjustments necessary for required mainte-

nance at and after the first scheduled replacement point.

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— US-5 —

CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT

YOUR WARRANTY RIGHTS AND OBLIGATIONS

The California Air Resources Board (CARB), and Maruyama Manufacturing Company, Inc. are

pleased to explain the emission control system warranty on your 2014 small off-road engine. In

California, new small off-road engines must be designed, built and equipped to meet the State's

stringent anti-smog standards. Maruyama Manufacturing Company, Inc. must warrant the emission

control system on your small off-road engine for the period of time listed above provided there has

been no abuse, neglect or improper maintenance of your small off-road engine.

Your emission control system may include parts such as the carburetor or fuel injection system, the

ignition system, and catalytic converter. Also included may be hoses, belts, and connectors and

other emission related assemblies.

Where a warrantable condition exists, Maruyama Manufacturing Company, Inc. will repair your

small off-road engine at no cost to you, including diagnosis, parts, and labor.

MANUFACTURER'S WARRANTY COVERAGE:

The 1995 and later small off-road 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.

OWNER'S WARRANTY RESPONSIBILITIES:

(a) As the small off-road engine owner, you are responsible for the performance of the required

maintenance listed in your owner's/operator's manual.

Maruyama Manufacturing Company, Inc. recommends that you retain all receipts covering

maintenance on your small off-road engine, but Maruyama Manufacturing Company, Inc.

cannot deny warranty solely for the lack of receipts or for your failure to ensure the perfor-

mance of all scheduled maintenance

(b) As the small off-road engine owner, you should be aware, however, that Maruyama

Manufacturing Company may deny you warranty coverage if your small off-road engine or a

part has failed due to abuse, neglect, improper maintenance or unapproved modifications.

ama Manufacturing

Company, Inc. distribution center as soon as a problem exists. The warranty repairs should

be completed in a reasonable amount of time, not to exceed 30 days.

If you have any questions regarding your warranty rights and responsibilities, you should contact

Maruyama U.S., Inc. at 1-866-783-7400, or [email protected].

Emission System Parts

Exhaust Emission

Carburetor

Muffler

Catalytic Converter

Ignition Coil / Magneto

Spark Plug

Air Filter

EGR Valve (piston)

Fuel Filter

Evaporative Emission

Fuel Tank

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— US-6 —

Page US-

Limited Warranty Statement ....................................... 1

Federal Emission Control............................................ 3

California Emission Control ....................................... 5

Introduction................................................................. 7

Safety........................................................................... 8

Operator Safety ...................................................... 8

Trimmer/Brushcutter Safety .................................. 8

Fuel Safety ............................................................. 9

Trimmer/Brushcutter Operating Safety ................. 9

Safety and Instruction Decals ................................11

Product Description.....................................................11

Assembly.....................................................................12

Loop Handle Installation........................................12

Handlebar Installation............................................12

[Loop Handle Models]

Installing Debris Shield..........................................12

[Handlebar Handle Models]

Installing Debris Shield ....................................... 13

[Handlebar Handle kit Models]

Installing Debris Shield ....................................... 14

Installing Trimmer Head...................................... 14

Installing Brushcutter Blade ................................ 15

Attaching Strap .................................................... 15

Before Operation....................................................... 16

Oil and Fuel.......................................................... 16

Page US-

Mixing Gasoline And Oil .................................... 17

Starting And Stopping ......................................... 18

Operation................................................................... 19

[Loop Handle Models]

Trimmer Operating Position ................................ 20

Cutting with Trimmer Head................................. 20

[Handlebar Handle Models]

Brushcutter Operating Position............................ 22

Cutting Direction ................................................. 23

Cutting Blades...................................................... 23

Maintenance.............................................................. 23

Idle Speed Adjustment......................................... 23

Air Filter............................................................... 24

Fuel Filter............................................................. 25

Spark Plug............................................................ 26

Cylinder Cooling Fins.......................................... 26

Spark Arrester ...................................................... 27

Exhaust Muffler .................................................. 28

Gearcase............................................................... 28

General Cleaning and Tightening........................ 29

Blade Sharpening................................................. 29

Storage....................................................................... 30

Troubleshooting ........................................................ 31

Maintenance Period................................................... 31

Specifications ............................................................ 32

Contents

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— US-7 —

Thank you for purchasing a Maruyama product.

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 help with service, genuine Maruyama parts,

or other information you may require.

Whenever you contact your Authorized Service Dealer

or the factory, always know the serial number of your

product. This number will help the Service Dealer or

Service Representative provide exact information about

your specific product. You will find the model and ser-

ial number located in a unique place on the product

(Product Description on page US-11).

For your convenience, write the product model name

and serial number in the space to the light.

Read this manual carefully to learn how to operate and

maintain your product correctly. Reading this manual

will help you and others avoid personal injury and

damage to the product.

Although Maruyama designs, produces and markets

safe, state-of-the-art products, you are responsible for

using the product properly and safely. You are also

responsible for training persons who you allow to use

the product about safe operation.

Model Name

Serial No.

Introduction

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The Maruyama warning system in this manual identi-

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.

However, regardless of the hazard, be extremely care-

ful.

DANGER

signals an extreme hazard that will cause

serious injury or death if the recommended precautions

are not followed.

WARNING

signals a hazard that may cause serious

injury or death if the recommended precautions are not

followed

CAUTION

signals a hazard that may cause minor or

moderate injury if the recommended precautions are

not followed. Two other words are also used to high-

light information. “Important” calls attention to special

mechanical information and “Note” emphasizes gener-

al information worthy of special attention.

Safety

Operator Safety

1. Read and understand this Owner's/Operator's

Manual before using this product. Be thoroughly

familiar with the proper use of this product.

2. Never allow children to operate the Trimmer/

Brushcutter. It is not a toy. Never allow adults to

erate the unit without first reading the

Owner's/Operator's Manual

3. Always wear eye protection that complies with

ANSI (American National Standards Institute)

Z87-1.

4. Always wear hearing protection.

5. Always wear heavy, long pants, a long sleeved

shirt, boots and gloves. Do not wear loose cloth-

ing, jewelry, short pants, sandals, or go barefoot.

Secure hair so it is above shoulder length.

6. Never operate this Trimmer/Brushcutter when you

are tired, ill, or under the influence of alcohol,

drugs or medication.

7. Never start or run the engine inside a closed roo

or building. Breathing exhaust fumes can cause

death.

8. Keep handles clean of oil, fuel and dirt.

Trimmer/Brushcutter Safety

1. Make sure the Trimmer/Brushcutter is assembled

correctly and that the Cutting Attachment is cor-

rectly installed and securely fastened as instructed

in the Assembly section.

2. Inspect the Trimmer/Brushcutter before each use.

Replace damaged parts. Check for fuel leaks.

Make sure all fasteners are in place and tightened

securely. Follow the maintenance instructions

beginning on page US-23.

3. Make sure the cutting head does not rotate at

engine idle speed. Refer to Idle Speed

justment, page US-23.

4. Inspect the cutting head and replace any parts that

are cracked, chipped or damaged before using the

Trimmer/Brushcutter.

— US-8 —

232025-10.indd 8 13/12/25 14:51

5. Make sure the debris shield is installed and posi-

tioned correctly before using the

Trimmer/Brushcutter.

6. Never use a cutting head or replacement parts that

are not approved by Maruyama.

7. Maintain the Trimmer/Brushcutter according to

the recommended maintenance intervals and pro-

cedures in the Maintenance section on page US-

23.

8. Shut off the engine and be certain the cutting head

has completely stopped rotating before inverting

the Trimmer/Brushcutter, performing maintenance

on or working on the machine.

9. If running problems or excessive vibration occur,

stop immediately and inspect the unit for the

cause. If the cause cannot be determined or is

beyond your ability to correct, return the

Trimmer/Brushcutter to your servicing dealer for

repair.

Fuel Safety

1. Gasoline is highly flammable and must be han-

dled and stored carefully. Use a container

approved for fuel to store gasoline and/or fuel/oil

mixture.

2. Mix and pour fuel outdoors, where there are no

sparks or flames.

3. Do not smoke near fuel or Trimmer/Brushcutter,

or while using the Trimmer/Brushcutter.

4. Do not overfill the fuel tank. Stop filling 1/4-1/2

inch (6 mm-13 mm) from the top of the tank.

5. Wipe up any spilled fuel before starting the

engine.

6. Move the Trimmer/Brushcutter at least 10 feet (3

m) away from the fueling location before starting

the engine.

7. Do not remove the fuel tank cap while the engine

is running, or right after stopping the engine.

8. Allow the engine to cool before refueling.

9. Drain the tank and run the engine dry before stor-

ing the unit.

10. Store fuel and Trimmer/Brushcutter away from

open flame, sparks and excessive heat. Make sure

fuel vapors cannot reach sparks or open flames

from water heaters, furnaces, electric motors, etc.

Trimmer/Brushcutter Operating

Safety

1. THIS TRIMMER BRUSHCUTTER CAN

CAUSE SERIOUS INJURIES. Read the instruc-

tions carefully. Be familiar with all controls and

the proper use of the Trimmer/Brushcutter.

2. Make sure the 3 mm hex wrench has been

removed from the gearcase and boss adapter

before you start the engine.

— US-9 —

10 feet (3 m) Minimum

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3. Avoid using the Brushcutter near rocks, gravel,

stones and similar material which can become

dangerous projectiles.

4. Inspect your work area before you begin. Remove

objects such as broken glass, nails, wire and rocks

which can become dangerous projectiles if thrown

by the Trimmer/Brushcutter. Remove string, rope

or similar materials which can become entangled

in the cutting head.

5. Keep children, bystanders and animals outside a

50 ft. (15 m) radius from the operator and

Trimmer/Brushcutter.

6. If you are approached while operating the

Trimmer/Brushcutter, stop the engine and cutting

head rotation.

7. Never allow children to operate the Trimmer/

Brushcutter.

8. Use the Trimmer/Brushcutter only in daylight or

good artificial light.

9. Never operate the Trimmer/Brushcutter without

proper guards or other protective safety devices in

place.

10. Always keep the Trimmer/Brushcutter on the right

side of your body.

11. Do not raise the cutting head above waist level.

12. Do not put hands or feet near or under any rotating

parts. Keep clear at all times. Keep all parts of

your body away from the rotating cutting attach-

ment and hot surfaces such as the muffler.

13. When cutting heavy brush or small trees, always

move the Brushcutter from right to left to prevent

kick-back .

14. Keep firm footing and balance. Do not overreach.

15. Use the right tool for the job. Do not use the

Trimmer/Brushcutter for any job that is not rec-

ommended by Maruyama.

— US-10 —

50 ft. (15 m Minimum)

No Kick-back Zone

DANGER – Kick-back Zone

Direction of Motion

INCORRECT

CORRECT

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— US-11 —

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

B23L/B27L/B27L TURBO/

B30L/B30L TURBO

1. Gearcase

2. Shaft Assembly

3. Model Name

4. Loop handle

5. Attachment Ring for

Shoulder Strap

6. Throttle Trigger and

Stop Switch

7. Shaft Grip

8. Clutch Drum Housing

9. Engine

10. Serial Number (on

rear of engine)

11. Air Filter

12. Fuel Tank

13. Throttle Cable and

Stop Switch Wires

14. Shoulder Strap

15. Debris Shield

16. Trimmer head

17. Brushcutter Blade

18. Handlebar

19. Handle Grip

B23/B27/B30

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Assembly

Loop Handle Installation

The loop handle kit contains a package of four screws

nuts and the bottom clamp for the loop handle.

1. Place the loop handle and the bottom clamp

approximately 9 inches (22.8 cm) from the end of

the stop switch/throttle trigger assembly for an ini-

tial handle position.

2. Install the four screws and nuts. Leave the screws

finger-tight.

3. Reposition the loop handle up or down the drive

shaft to the most comfortable position, but no

closer than 9 inches (22.8 cm) from the end of the

stop switch.

4. Tighten the screws and nuts.

Handlebar Installation

IMPORTANT: Be careful not to damage the

throttle cable and stop switch wires when you

remove the handlebars from the shipping car-

ton.

Loosen the four screws on the top of the clamp bracket.

2. Insert the left and right handlebars into the clamp

bracket. Note that the handlebar with the throttle

trigger and stop switch goes on the right-hand side

of the Brushcutter.

3. Adjust the handlebar to the desired position, then

tighten the four screws.

[Loop Handle Models]

Installing Debris Shield

— US-12 —

Loop Handle

Screw (4)

Nut (4)

Bottom Clamp

Throttle Trigger/Stop Switch

Stop Switch Wires/Throttle

Cable

Clamp

Bracket

Screw (4)

Handlebar

CAUTION

POTENTIAL HAZARD

• The cutoff blade is sharp.

WHAT CAN HAPPEN

• Contact with cutoff blade could cause

serious cuts or personal injur y.

HOW TO AVOID THE HAZARD

• Keep hands, feet and clothing away from

cutoff blade.

WARNING

POTENTIAL HAZARD

• Foreign objects can be thrown by the

Trimmer.

WHAT CAN HAPPEN

• Contact with thrown objects can cause

personal injur y.

HOW TO AVOID THE HAZARD

• Never operate the Trimmer without the

debris shield in place.

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1. Fasten the string cutoff blade to the debris shield

with two M5 x 12 screws and hex nuts as shown.

2. Attach the debris shield to the shaft with the two

M5 x 30 screws and plate as shown.

[Handlebar Handle Models]

Installing Debris Shield

Debris Shield

Attach the debris shield to the gearcase with the two

M6 x 30 screws as shown on Fig. 1.

Extension Shield

(Install the string cutoff blade and shield extension to

the debris shield.)

1. Insert the square nut into shield extension as

shown on Fig. 2.

2. Attach the String Cutoff Blade to shield extension

using M5 x 20 Screw, locking with square nut (on

Fig.2) as shown on Fig. 3 .

3. Enter the guide in the slot of debris shield on Fig.

4. Make sure place the three hooks into the posi-

tion on the shield as shown on Fig.5.

Gearcase

Debris Shield

M5 x 30

Screw (2)

Shaft

Plate

Hex Nut

String Cutoff Blade

M5 x 12

Screw (2)

WARNING

POTENTIAL HAZARD

• Foreign objects can be thrown by the

Trimmer/Brushcutter.

WHAT CAN HAPPEN

• Contact with thrown objects can cause

personal injury.

HOW TO AVOID THE HAZARD

• Never operate the Trimmer/Brushcutter

without the debris shield in place.

M6 x 30 Screw (2)

Gearcase

Debris Shield

Shield extension

Square nut

String Cut off Blade

M5 x 20 Screw

Debris Shield

Fig.1

Guide

Shield extension

Hook

Fig.2

Fig.3

Fig.4

Hook

Fig.5

— US-13 —

232025-10.indd 13 13/12/25 14:51

— US-14 —

[Handlebar Handle Kit Models]

Installing Debris Shield

1. Exchange the M5 x 12 screw for with use the

debris shield as shown.

2. Attach the debris shield to the shaft with the two

M5 x 30 screws and plate as shown.

Installing Trimmer Head

IMPORTANT: The boss adapter must be,

installed on the attaching shaft between the

gearcase and the trimmer head as shown. And

Trimmer head adapter is left-hand thread.

1. Install the boss adapter onto the attaching shaft

out of the gearcase.

2. Align the hole in the boss adapter with the hole in

the gearcase.

3. Insert the 3 mm hex wrench into the holes in the

boss adapter and gearcase to lock the attaching

shaft.

4. Thread the trimmer head adapter into the attaching

shaft, then tighten the trimmer head firmly by

hand.

WARNING

POTENTIAL HAZARD

• If the trimmer head is not adequately

tightened, it can come loose from the

Trimmer during use.

WHAT CAN HAPPEN

• This may cause damage to property or

personal injury.

HOW TO AVOID THE HAZARD

• Make sure the trimmer head is securely

fastened to the attaching shaft in the

gearcase.

Gearcase

3 mm Hex Wrench

Attaching Shaft

Boss Adapter

Trimmer Head

WARNING

POTENTIAL HAZARD

• Foreign objects can be thrown by

Brushcutter.

WHAT CAN HAPPEN

• Contact with thrown objects can cause

personal injury.

HOW TO AVOID THE HAZARD

• Never operate the Brushcutter without

the debris shield in place.

M5 x 12 Screw

Debris shield

Plate

Gearcase

M5 x 30

Screw (2)

Trimmer Head Adapter

232025-10.indd 14 13/12/25 14:51

Installing Brushcutter Blade

1. Remove the blade bolt, stabilizer and clamping

washer from the splined shaft out of the gearcase.

Note: The blade bolt has left-hand threads.

2. Install the brushcutter blade onto the boss adapter,

then reinstall the clamping washer, stabilizer and

blade bolt.

Note: In case of brushcutter blade, please

replace boss adopter from aluminum

to steel. The steel boss adopter is con-

tained in the blade guard kit.

3. Align the hole in the boss adapter with the hole in

the gearcase.

4. Insert a 3 mm hex wrench or other suitable tool

into the holes in the boss adapter and gearcase to

lock the splined shaft.

5. Tighten the blade bolt to 100 in.-lbs. (11.3 N・m).

6. Remove the 3 mm hex wrench from the boss

adapter and gearcase.

Attaching Strap

WARNING

POTENTIAL HAZARD

• If the Brushcutter blade is not ade-

quately tightened, it can come loose

from the Brushcutter during use.

WHAT CAN HAPPEN

• This may cause damage to property or

personal injury.

HOW TO AVOID THE HAZARD

• Make sure the Brushcutter blade is

securely fastened to the splined shaft in

the gearcase.

CAUTION

POTENTIAL HAZARD

• Brushcutter blade is sharp.

WHAT CAN HAPPEN

• Contact with sharp blade can cause seri-

ous personal injury.

HOW TO AVOID THE HAZARD

• Wear gloves when you handle the blade.

WARNING

POTENTIAL HAZARD

• Without the strap installed on the

Brushcutter, the blade can produce side

thrust which can expose the operator

and bystanders to blade contact.

WHAT CAN HAPPEN

• Contact with the Brushcutter blade can

cause severer personal injury.

HOW TO AVOID THE HAZARD

• Never operate the Brushcutter without

installing and using the strap.

Gearcase

3 mm Hex Wrench

Splined Shaft

Boss Adapter

(Steel)

Blade

Clamping Washer

Stabilizer

Blade Bolt

(left-hand thread)

— US-15 —

232025-10.indd 15 13/12/25 14:51

Snap the strap hook into the ring on the drive shaft. To

detach the strap quickly from the Brushcutter, pull

upward on the red band.

Before Operation

Oil and Fuel

1. Do not smoke near fuel.

2. Mix and pour fuel outdoors and where there are

no sparks or flames.

3. Always shut off the engine before refueling.

Never remove the fuel tank cap while the engine

is running or just right after sopping the engine.

4. Always open the fuel tank cap slowly to release

any possible overpressure inside the tank.

5. Do not overfill the fuel tank. Stop filling 1/4-1/2

inch (6 mm-13 mm) from the top of the tank.

6. Tighten the fuel tank cap carefully but firmly after

refilling.

7. Wipe up any spilled fuel before starting the

engine.

— US-16 —

Red Band

Strap

Ring

DANGER

POTENTIAL 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 HAZARD

• Use a funnel and fill the fuel tank out-

doors, in an open area, when the engine

is cold. Wipe up any gasoline that spills.

• Do not fill the fuel tank completely full.

Add gasoline to the fuel tank until the

level is 1/4” to 1/2” (6 mm to 13 mm)

below the bottom of the filler neck. This

empty space in the tank allows gasoline

to expand.

• Never smoke when handling gasoline,

and stay away from an open flame or

where gasoline fumes may be ignited by

a spark.

• Store gasoline in an approved container

and keep it out of the reach of children.

• Never buy more than a 30-day supply of

gasoline.

WARNING

POTENTIAL HAZARD

• Gasoline contains gasses that can build

up pressure inside a gas tank.

WHAT CAN HAPPEN

• Fuel can be sprayed on you when

removing gas cap.

HOW TO AVOID THE HAZARD

• Remove fuel cap slowly to avoid injury

from fuel spray.

232025-10.indd 16 13/12/25 14:51

8. Move the Trimmer/Brushcutter at least 10 feet (3

m) away from the fueling location and fuel stor-

age container before starting the engine.

Recommended Oil Type

Only use a two-cycle engine oil formulated for use in

high-performance, air-cooled two-cycle engines.

Maruyama brand 2-cycle oil is formulated for use in

high-performance, air-cooled two-cycle engines.

IMPORTANT: Do not use National Marine

Manufacturer’s Association (NMMA) or BIA

certified oils. This type of 2-cycle engine oil

does not have the proper additives for air-

cooled, 2-cycle engines and can cause engine

damage.

Do not use automotive motor oil. This type of

oil does not have 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-

reformulated

gasoline, with an octane rating of 89

or higher. To ensure freshness, purchase only the quan-

tity of gasoline that can be used in 30 days. Use of

lead-free gasoline results in fewer combustion chamber

deposits and longer spark plug life. Use of premium

grade fuel is not necessary or recommended.

Use of Fuel Additives

IMPORTANT: NEVER USE ALCOHOL

GASOHOL CONTAINING MORE THAN

10% ALCOHOL BECAUSE ENGINE FUEL

SYSTEM DAMAGE COULD RESULT.

DO NOT USE FUEL 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 DISTILLATE BASED

CONDITIONER/STABILIZER.

MARUYAMA DOES NOT RECOMMEND

STABILIZERS WITH AN ALCOHOL BASE

SUCH AS ETHANOL, METHANOL OR ISO-

PROPYL. ADDITIVES SHOULD NOT BE

USED TO TRY TO ENHANCE THE POWER

OR PERFORMANCE OF MACHINE.

Mixing Gasoline And Oil

IMPORTANT: The engine used on this

Trimmer/Brushcutter is of a 2-cycle design.

The internal moving parts of the engine, i.e.,

crankshaft bearings, piston pin bearings and

piston to cylinder wall contact surfaces, require

oil mixed with the gasoline for lubrication.

Failure to add oil to the gasoline or failure to

mix oil with the gasoline at the appropriate

ratio will cause major engine damage which will

void your warranty.

For your fuel premix, use Maruyama Premium

2-cycle Oil Mix, or equivalent ISO-L-EGD &

JASO FD oil with a minimum 89 octane high

quality gasoline. Maruyama 2-cycle oil is spe-

cially formulated to meet the requirements of

high-performance, low-emission air-cooled 2-

cycle engines. Use of other oils may lead to ser-

vice issues which may not be covered by your

warranty.

Fuel Mixture

The fuel: oil ratio is 50 parts gasoline to 1 part oil or

50:1.

50:1

— US-17 —

232025-10.indd 17 13/12/25 14:51

Note: Never use a mixing ratio less than

50:1 regardless of the oil package

mixing instructions. Ratios less than

50:1, (for example, 60:1, 80:1, 100:1),

reduce the amount of lubrication to

the internal moving parts of the

engine and can cause damage.

Mixing Instructions

IMPORTANT: Never mix gasoline and oil

directly in the Trimmer/Brushcutter fuel tank.

1. Always mix fuel and oil in a clean container

approved for gasoline.

2. Mark the container to identify it as fuel mix for

the Trimmer/Brushcutter.

3. Use regular unleaded gasoline and fill the contain-

er with half the required amount of gasoline.

4. Pour the correct amount of oil into the container

then add the remaining amount of gasoline.

5. Close the container tightly and shake it momentar-

ily to evenly mix the oil and the gasoline before

filling the fuel tank on the Trimmer/Brushcutter.

6. When refilling the Trimmer/Brushcutter fuel tank,

clean around the fuel tank cap to prevent dirt and

debris from entering the tank during cap removal.

7. Always shake the premix fuel container momen-

tarily before filling the fuel tank.

8. Always use 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 Stopping

Before Starting The Engine

1. Fill the fuel tank as instructed in the Operation

section of this manual (US-16).

2. Rest the Trimmer/Brushcutter on the ground.

3. Make sure the cutting attachment is clear of any

broken glass, nails, wire, rocks or other debris.

4. Keep all bystanders, children and animals away

from the working area.

Cold Starting Procedure

This Trimmer is equipped with a fuel primer and a

choke system. To start a “cold” engine properly, per-

form the following procedure:

1. Pump the primer bulb at the bottom of the carbu-

retor until fuel can be seen flowing through the

fuel return line to the fuel tank.

(Flowing fuel should be almost clear, not foamy

or full of bubbles.)

— US-18 —

Gasoline 50:1 2-cycle oil

1 gallon 2.6 oz.

2 gallons 5.1 oz.

5 gallons 12.8 oz.

1 litre 20 ml

5 litre 100 ml

Primer Bulb

Fuel

Return

Line

Fuel Mixture Chart

232025-10.indd 18 13/12/25 14:51

2. Move the choke lever to the closed ( ) position

and move the stop switch to the “ON” position.

3. Lock the throttle trigger in the fast-idle start posi-

tion, then pull the starter grip.

4. After the engine starts, squeeze and release the

throttle trigger to return it to the idle position, then

move the choke lever to the open ( ) position.

If the engine stops running before you move the

choke lever to the open ( ) position:

A. Go ahead and open the choke.

B. Make sure the throttle trigger is set to the idle

position.

C. Pull the starter grip until the engine starts.

Hot Restart

To start an engine that is already warmed up (hot

restart), or if the ambient temperature exceeds 68°F

(20°C):

1. Pump the primer bulb at the bottom of the carbu-

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 trigger in the idle position and

pull the starter grip.

4. If the engine fails to start after three to four pulls,

follow the instruction in the Cold Starting

Procedure section (US-18).

If the engine fails to start after you follow the

above procedures, contact an authorized

Maruyama dealer.

To Stop The Engine:

1. Release the throttle trigger.

2. Slide the stop switch to the “STOP” position.

Operation

Starter Grip

Choke Lever

Stop Switch

STOP

START (ON)

Fast-idle lock

Throttle Trigger

(In fast-idle start

position)

Throttle Trigger

(In idle position)

➯

CAUTION

• Read the Safety instructions on US-8

concerning proper use of the String

Trimmer.

WARNING

POTENTIAL HAZARD

• The components of your recoilstarter

assembly are under high spring tension.

If improperly disassembled these parts

maystrike you with considerable force,

possibly causing personal injuly.

WHAT CAN HAPPEN

• Contact with the parts can cause sever-

er personal injury.

HOW TO AVOID THE HAZARD

• Never attempt to disassemble your

recoil starter assembly yourself.

Always consult your authorized

Maruyama dealer for repair by qualified

service technicians.

— US-19 —

232025-10.indd 19 13/12/25 14:51

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Maruyama B30 Le manuel du propriétaire

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Modèle: B30

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