Maruyama BC2301RS Owner'S/Operator'S Manual Download Page 9

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[Model BC2301RS, BC2601RS, BC3021RS]

IMPORTANT: Make sure the trimmer head is for LEFT-

HAND ROTATION (counter-clockwise) as

viewed from the operator’s position, and

that the trimmer head adapter is a male,

M8 left-hand thread.

1. Remove the blade bolt and stabilizer from the attaching shaft

out of the gearcase. (Keep the blade bolt and stabilizer)

Note: The blade bolt has left-hand thread.

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

the gearcase.

3. Insert the Ø3,5mm pin into the hole in the boss adapter and

the guide slot in the gearcase to lock the attaching shaft.

4. Thread the trimmer head adapter into the attaching

shaft, then tighten the trimmer head by hand.

Note: The trimmer head adapter has left-hand thread.

5. Remove the Ø3,5mm pin from the boss adapter and

gearcase.

[Model

BC4321H-RS

]

IMPORTANT: Make sure the trimmer head is for LEFT-

HAND ROTATION (counter-clockwise) as

viewed from the operator’s position, and

that the trimmer head adapter is a female,

M10 left-hand thread.

1. Remove the blade nut and stabilizer from the attaching shaft

out of the gearcase. (Keep the blade nut and stabilizer )

Note: The blade nut has left-hand thread.

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

gearcase.

3. Insert the Ø6 mm pin into the hole in the boss adapter

and the hole in the gearcase to lock the attaching shaft.

4. Thread the trimmer head adapter into the attaching

shaft, then tighten the trimmer head by hand.

Note: The trimmer head adapter has left-hand thread.

5. Remove the Ø6mm pin from the boss adapter and

gearcase.

Installing Cutting Attachment

Trimmer Head

POTENTIAL HAZARD

・

If the trimmer head is not adequately tightened, it can come loose from the Trimmer/

Brushcutter 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.

WARNING

Trimmer Head

Clamping

Washer

Holding Tool

(Ø3,5mm Pin)

Holding Tool

(Ø6mm Pin)

Gearcase

Left-hand

thread

Left-hand

thread

Attaching

Shaft

Boss

Adapter

Trimmer Head

Adapter

Trimmer Head

Adapter

[BC2301RS, BC2601RS, BC3021RS]

[

BC4321H-RS

]

Attaching

Shaft

Boss

Adapter

Clamping

Washer

Summary of Contents for BC2301RS

Page 1: ...String Trimmer Brushcutter Owner s Operator sManual Completely read and understand this manual before using this product BC2301RS BC2601RS BC3021RS BC4321H RS ...

Page 2: ...u are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure Contents Page Foreword 1 Contents 1 Product Description 2 Safety Instructions 3 Operator Safety 3 Trimmer Brushcutter Safety 3 Fuel Safety 4 Trimmer Brushcutter Operating Safety 4 Assembly 5 Assembling Engine and Drive Shaft Assembly 5 Loop Han...

Page 3: ...re easily visible to the operator and are located near any area of potential danger Replace any decal that is damaged or lost 1 Gearcase 2 Shaft Assembly 3 Safety Decal 4 Model Name 5 Loop Handle 6 Attachment Ring for Shoulder Strap 7 Throttle Trigger and Stop Switch 8 Shaft Grip 9 Clutch Drum Housing 10 Engine 11 Air Filter 12 Fuel Tank 13 Throttle Cable and Stop Switch Wires 14 Shoulder Strap 15...

Page 4: ... at engine idle speed Refer to Idle Speed Adjustment page 15 5 Inspect the cutting attachment and replace any parts that are cracked chipped or damaged before using the Trimmer Brushcutter 6 Make sure the cutting attachment blade is installed and positioned correctly before using the Trimmer Brushcutter 7 Never use a cutting attachment or replacement parts that are not approved by MARUYAMA 8 Maint...

Page 5: ... all controls and the proper use of the Trimmer Brushcutter 2 Never allow children to operate the Trimmer Brushcutter It is not a toy Never allow adults to oper ate the unit without first reading this Operator s Manual 3 Avoid using the Trimmer Brushcutter near rocks gravel stones and similar material that would cause harmful missiles 4 Keep children bystanders and animals outside a 15m 50ft ra di...

Page 6: ...s and nuts Horn Handle Installation Model BC4321H RS IMPORTANT Be careful not to damage the throttle cable and stop switch wires when you re move the horn handles from the carton 1 Loosen the four screws on the top of the clamp bracket 2 Insert the left and right horn handles into the clamp bracket Note that the horn handle with the throttle trigger and stop switch goes on the right hand side of t...

Page 7: ...rottle 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 and the cable posi tion keep 1 2mm play between cable lug and slotted fittings when the throttle trigger is fully depressed 6 When the throttle cable is adjusted correctly tighten the lock nut 7 Plug the stop switch wires into...

Page 8: ...Model BC2301RS BC2601RS BC3021RS Trimmer Head Guard 1 Fasten the string cutoff blade to the trimmer head guard with the two M5 12 screws as shown 2 Attach the guard to the shaft assembly with the two M5x30 screws and plate as shown POTENTIAL HAZARD Foreign objects can be thrown by Trimmer Brushcutter WHAT CAN HAPPEN Contact with thrown objects can cause personal injury HOW TO AVOID THE HAZARD Neve...

Page 9: ...Remove the blade nut and stabilizer from the attaching shaft out of the gearcase Keep the blade nut and stabilizer Note The blade nut has left hand thread 2 Align the hole in the boss adapter with the hole in the gearcase 3 Insert the Ø6 mm pin into the hole in the boss adapter and the hole in the gearcase to lock the attaching shaft 4 Thread the trimmer head adapter into the attaching shaft then ...

Page 10: ...in the gearcase 4 Insert the Ø3 5mm pin into the hole in the boss adapter and the guide slot in the gearcase to lock the attaching shaft 5 Tighten the blade bolt 6 Remove the Ø3 5mm pin from the boss adapter and gearcase Model BC4321H RS 1 Remove the blade nut stabilizer and clamping washer from the attaching shaft out of the gearcase Note The blade nut has left hand thread 2 Install the brushcutt...

Page 11: ...cause severe personal injury HOW TO AVOID THE HAZARD Never operate the Trimmer Brushcutter without installing and using the shoulder strap harness Snap the Hook into the ring on the drive shaft To detach the shoulder strap harness quickly from the Trimmer Brushcutter pull upward on the Red Band Tab Attaching Shoulder Strap Harness BC2301RS BC2601RS BC3021RS BC4321H RS Red Band Red Tab Shoulder Har...

Page 12: ...ly but firmly after refilling 6 Wipe up any spilled fuel before starting the engine 7 Move the Trimmer Brushcutter at least 3m 10ft away from the fueling location and fuel storage container before start ing the engine POTENTIAL HAZARD In certain conditions petrol is extremely flammable and highly explosive WHAT CAN HAPPEN A fire or explosion from petrol can burn you others and cause property damag...

Page 13: ...ix oil with the petrol at the appropriate ratio will cause major engine damage which will void your warranty Fuel Mixture Chart Mixing Instructions IMPORTANT Never mix petrol and oil directly in the Trimmer Brushcutter fuel tank 1 Always mix fuel and oil in a clean container approved for petrol 2 Mark the container to identify it as fuel mix for the Trimmer Brushcutter 3 Use regular unleaded petro...

Page 14: ... the following procedure 1 Pump the primer bulb 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 2 Turn the choke lever to the Close position 3 With the stop switch START ON and the throttle trigger positioned at Fast idle start position pull the starter grip After the engine is started turn the choke leve...

Page 15: ... If the engine fails to start after three to four pulls follow the instructions in the Cold Starting Procedure section above If the engine fails to start after you follow the above proce dures contact an authorized MARUYAMA dealer To Stop the Engine 1 Release the throttle trigger 2 Slide the stop switch to STOP OFF position If the engine stops running before you turn the choke lever to the Open po...

Page 16: ...engine idle speed rotate the idle speed adjust ment screw on the carburetor Turn the idle speed screw in clockwise to increase the engine idle speed Turn the screw out counter clockwise to decrease the engine idle speed If idle speed adjustment is necessary and after adjustment the cutting attachment rotates or the engine stalls stop using the Trimmer Brushcutter immediately Contact your local aut...

Page 17: ...right hand horn han dle grip with the fingers on the throttle trigger 3 The left hand should be holding the left hand horn handle grip with the fingers and thumb fully enclosed around the grip All models 4 The Trimmer weight should be evenly distributed between the arms The trimmer head should be near and parallel to the ground 5 Accelerate and hold the engine at cutting speed before entering the ...

Page 18: ...d the bottom of the trimmer head about 5 10cm above the ground and at an angle Allow only the tip of the line to make contact 5 10cm Above Ground 5 10cm Above Ground CORRECT INCORRECT Scaling To remove unwanted vegetation hold the trimmer head about 5 10cm above the ground and at an angle Allow the tip of the line to strike the ground cutting the vegeta tion off at the surface Mowing Keep the line...

Page 19: ...he Brushcutter check the following 1 The operator must be wearing the shoulder strap or shoulder har ness attached to the Brushcutter and the Brushcutter must be on the operator s right side Model BC2301RS BC2601RS BC3021RS 2 The operator s right hand should be holding the shaft grip with his or her fingers on the throttle trigger The right arm should be slightly bent 3 The left hand should be hol...

Page 20: ...topped and disconnect the spark plug before inspecting the equip ment for damage Never use a Brushcutter that has chipped cracked or broken cutting attachment or guard IMPORTANT To detach the shoulder strap harness quickly from the Brushcutter pull upward on the Red Band Tab CAUTION Always wear gloves and protective clothing when operating the Brushcutter WARNING POTENTIAL HAZARD Cutting heavy bru...

Page 21: ...ter is attached to the end of the fuel pick up hose inside the tank To replace the fuel filter 1 Make sure the fuel tank is empty 2 Loosen the fuel tank cap and pull up and remove the cap holder 3 Using a wire hook gently pull the fuel filter out through the fuel filler opening 4 Grasp the fuel hose next to the fuel filter fitting and re move the filter but do not release the hose 5 While still ho...

Page 22: ... 6 0 7 mm 5 Replace the spark plug if it is oil fouled damaged or if the electrodes are worn down 6 Do not over tighten the spark plug when installing The tightening torque is 10 7 16 6 N m 0 6 0 7mm Cooling Fin Cleaning Model BC2301RS BC2601RS BC3021RS 1 Loosen the knob and remove the filter cover 2 Twist the high tension lead boot on the spark plug back and forth a couple of times to loosen the ...

Page 23: ...ny part cannot be thoroughly cleaned if must be replaced 4 Reinstall the spark arrester assembly onto the muffler then rein stall and tighten the two soket head screws 5 Reinstall the cylinder cover Model BC4321H RS The spark arrester is installed inside the exhaust outlet of the muffler One screw and washer located on the side of the exhaust outlet holds the spark arrester in place 1 Remove the c...

Page 24: ...starter grip to bring the piston to the top of the cylinder TDC 7 Reinstall the spark plug 8 Store the Trimmer Brushcutter in a dry place away from excessive heat sparks or open flame General Cleaning and Tightening The MARUYAMA Trimmer Brushcutter will provide maximum performance for many many hours if it is maintained properly Good maintenance includes regular checking of all fasteners for corre...

Page 25: ...eth Semi auto head L 5 Auto head Manu al head Troubleshooting Problem Cause Action Engine will not start STOP switch set to off position Empty fuel tank Primer bulb wasn t pushed enough Engine flooded Move switch to on position Fill fuel tank Press primer bulb until fuel flows through the fuel return line Use warm engine starting procedure Engine will not Idle Idle speed set incorrectly Set Idle s...

Page 26: ...MEMO ...

Page 27: ......

Page 28: ...P N 241346 01 GB 1808 IN Manufacturing Maruyama Mfg Co Inc 4 15 Uchi kanda 3 Chome Chiyoda ku Tokyo 101 0047 Japan Tel 03 3252 2281 ...

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