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MODEL: GT260C / BC260C / BC330C
COBRA GRASS TRIMMER
BRUSH CUTTER
OWNER'S MANUAL
BC260C / BC330C
GT260C

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Summarization of Contents

Cobra Grass Trimmer Brush Cutter Owner's Manual
Safety Caution
Read manual carefully for proper use. Keep manual handy.
Notes on Warning Types
WARNING
Instructions to prevent serious bodily injury or death.
IMPORTANT
Instructions to prevent mechanical failure, breakdown, or damage.
NOTE
Hints or directions useful in product use.
Parts Location
BC260C / BC330C Models
Diagram showing parts identification for BC260C and BC330C models.
GT260C Model
Diagram showing parts identification for GT260C model.
Warning Labels on Machine
Read Owner's Manual
Instruction to read the owner's manual before operating the machine.
Wear Protective Gear
Requirement to wear head, eye, and ear protection.
Warning/Attention Symbol
Symbol indicating caution or attention is required.
Maintain Safe Distance
Keep people 15 meters away from the brush cutter during operation.
Safety Precautions
Before Using The Machine
Covers reading the manual, intended use, operating under influence, unsafe conditions, and fatigue management.
User and Ownership Responsibility
Guidelines for manual inclusion during sale/loan and restrictions on user age/understanding.
Personal Protective Equipment
Details required clothing, safety gear, and essential items to carry during operation.
Fuel Handling Precautions
Provides essential safety rules for handling flammable fuel and refueling procedures.
Pre-Operation Checks
Outlines inspection of work area and brush cutter before starting operation.
Starting Engine Notes
Obstacle Check
Ensure no obstacles are within 15m of the brush cutter before starting.
Unit Placement
Place brush cutter on a flat, clear area, holding it firmly.
Throttle Position
Set throttle to idling position when starting the engine.
Post-Start Check
Check for continuous blade rotation after throttle is released; turn off if issue found.
Kickback Safety Precautions
Kickback Definition
Explains kickback as a dangerous reaction from blade contact, leading to loss of control.
Kickback Avoidance
Strictly observe precautions to avoid kickback, such as clearing the area and proper grip.
Attention During Use
Always pay attention during use and set the machine to idle when necessary.
Unit Handling
Do not let the unit get close to feet or raise it above waist.
Transportation Notes
Blade Cover
Ensure the appropriate blade cover is in place for transportation.
Securing for Transport
Fix the unit firmly with a rope when transporting by car; avoid bicycles/motorcycles.
Fuel Removal
Remove all fuel before transporting over rough roads or long distances to prevent leaks.
Operation Safety Precautions
Grip and Posture
Grip handles firmly, maintain steady posture, and use idling position when suspending work.
Engine Speed Control
Maintain engine speed as required for cutting, do not exceed necessary levels.
Stopping Engine for Checks
Turn off the engine if grass gets caught, for checks, or refueling.
Blade Contact Safety
Immediately stop the engine if the blade hits a hard object and check for damage.
Communication During Operation
Turn off the engine before turning around if someone calls out.
Electrical Hazard
Never touch the spark plug or cord while the engine is running due to shock risk.
Burn Hazard
Avoid touching hot engine parts like the muffler immediately after shutdown to prevent burns.
Moving Between Work Spots
Turn off the engine and face the blade away from the body when moving to a new spot.
Maintenance Safety Precautions
Regular Maintenance
Perform maintenance and checks as described; contact dealer for unlisted repairs.
Alteration Prohibition
Never take apart or alter the brush cutter, as it may cause damage or malfunction.
Maintenance Procedures
Turn off engine before maintenance. Use proper tools and certified products.
Set Up
Engine and Main Pipe Assembly
Align hanger and fuel tank, secure with socket screws.
Handle Assembly
Loosen bracket bolts, insert handles, and retighten securely.
Safety Guard Installation
Attach safety guard to gear case using clamp and bolts.
Throttle Wire Connection
Hook cable end to throttle lever, ensure secure fitting to prevent unintended engine rotation.
Adjusting Throttle Cable
Adjust throttle wire play to 1-2mm at the carburetor end using adjustment nuts.
Installing Metal Blade
Steps for setting inner holder, blade, outer holder, and securing with bolt and washer.
Installing Nylon Cutter (Option)
Procedure for attaching the nylon cutter to the gear shaft using a bolt and inner holder.
Fuel
Fuel Warnings
Petrol is flammable; avoid sparks, flames, and smoking. Wipe spills and keep flames away.
Fuel Handling Notes
Do not use wrong oil types. Mixed fuel left for over a month may clog parts.
Recommended Mixing Ratio
Mix regular grade petrol with quality 2-cycle engine oil at a 25:1 ratio.
Operation
Starting the Engine (Warning)
Inspect unit for loose fittings/leaks, ensure cutting attachment is secure before starting.
Unit Placement for Starting
Place unit on a flat, firm place, keeping cutting head clear of obstructions.
Fuel Tank Cap
Ensure the fuel tank cap is turned tightly before starting.
Fuel Tank Cock
Open the fuel tank cock before starting the engine.
Choke Lever Operation
Move choke lever to closed position for cold start, open for warm restarts.
Throttle Lever Setting
Set throttle lever to starting position (1/3-1/2 open) for starting.
Starter Rope Operation
Hold unit firmly and pull starter rope quickly to start the engine.
Engine Warm-up
Allow the engine to run for 2-3 minutes to warm up after starting.
Stopping the Engine
Return throttle to idle, then push the engine switch button to stop.
Equipping the Shawl Band
Attach and adjust the shawl band for proper blade positioning and operator comfort.
Cutting Operation
Guidelines for blade positioning, engine speed, and preventing stack during operation.
Metal Blade Usage
Cutting Technique
Cut from right to left, using the blade's cutting edge effectively for different grass types.
Engine Speed Adjustment
Adjust engine speed based on cutting objects: middle for young grass, high for shrubs.
Low Speed Operation Impact
Operating at low speed can cause grass to catch and increase wear on shaft/clutch.
Nylon Cutter Usage
Power Consumption
Nylon cutters consume more power; operate at 50% engine speed compared to metal blades.
Cutting Technique
Clear grass away if resistance is high, then cut small amounts. Swinging direction affects debris.
Maintenance
Blade Sharpening
Sharpen cutting edges, round the bottom corner. Do not cool with water when grinding.
Air Cleaner Maintenance
Check and clean filter element in soapy water. Replace if broken or shrunk.
Clogged Air Filter Impact
A clogged air filter increases fuel consumption and can damage the engine.
Fuel Filter Maintenance
Remove and clean fuel filter assembly with petrol.
Clogged Fuel Filter Impact
A clogged fuel filter can cause poor engine acceleration.
Spark Plug Cleaning
Inspect and clean spark plug electrodes. Adjust gap to 0.6-0.7 mm.
Intake Air Cooling Vent
Check and clear intake air-cooling vent and cylinder fins of debris to prevent overheating.
Overheating Risk
Failure to clear vents can cause muffler overheating and fire risk.
Gear Case Lubrication
Supply multi-purpose grease to the gear case every 25 hours of use.
Muffler Cleaning
Remove muffler, wipe away carbon buildup from vent and exhaust.
Screw Tightening
Tighten all screws, bolts, and fittings during maintenance.
Clutch and Drum Check
Check for oil/grease ingress between clutch lining and drum; clean if necessary.
Carburetor Cleaning
Remove and clean the float cabin of the carburetor.
Carburetor Adjustment
Contact the shop if engine performance is poor after carburetor adjustment.
Idle Adjustment Screw
Adjusts engine rotation at lowest speed. Turn clockwise to increase, counterclockwise to decrease.
Maintenance Before Storage
Pre-Storage Checks
Brush off dirt, check for damage. Repair abnormalities before next use.
Fuel Drainage
Drain fuel from tank and run engine until it stops to extract remaining fuel.
Engine Oil Treatment
Add 1-2cc of 2-cycle oil to engine after removing spark plug, then turn starter rope.
Rust Prevention
Apply rust-preventive oil to metal parts and store indoors.
Specifications
Brush Cutter Models
Details specifications for BC260, BC330, BC415, BC520 models including handle type, power, weight.
Engine Specifications
Provides engine type, displacement, carburetor, starting method, and fuel/oil requirements.
EC Declaration of Conformity
Declaration Details
Declaration that the machine complies with relevant EC directives for safety and health.
Warranty Information
Warranty Terms
24-month warranty, excludes commercial use, normal wear, and specific part failures.
Warranty Exclusions
Details items not covered by warranty, including damage from misuse, non-genuine parts, or environmental factors.
Product Registration
Instructions on how to register the product for warranty purposes online or via mail.

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