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SGS GPS520 - User Manual

SGS GPS520
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FOR YOUR SAFETY
PLEASE READ THESE INSTRUCTIONS CAREFULLY
AND RETAIN THEM FOR FUTURE USE.
OWNER’S MANUAL
52CC PETROL TRIMMER
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Summary

Safe Operation Guidelines

Read Operators Manual

Read and understand all warnings before operating the machine.

Personal Protective Equipment

Wear head, eye, and ear protection using suitable work-wear.

Awareness of Surroundings

Watch out for thrown objects and ricochets.

Safety Distance

Ensure no persons or animals are closer than 50 feet (15 meters) while working.

Personal Safety Equipment

Gloves

Wear gloves when fitting cutting attachments.

Hearing Protection

Use hearing protection that provides adequate noise reduction.

Eye Protection

Always wear approved eye protection.

Footwear

Wear sturdy, non-slip boots.

Appropriate Clothing

Wear strong fabric, avoid loose clothing, secure hair.

Operational Safety Rules

Machine Usage Limitations

Machine is for grass trimming only; use recommended attachments.

Operator Condition

Do not operate when tired, under influence, or on medication.

Environmental Conditions

Avoid operating in extreme weather conditions.

Machine Modifications

Do not use machines that have been modified from original specification.

Faulty Equipment

Never use faulty machines; seek professional service.

Pre-Operation Safety Checks

Guard and Cover Installation

Ensure all covers and guards are fitted before starting.

Spark Plug and Lead Integrity

Check spark plug cap and lead for damage to prevent electric shock.

Operating Stance and Grip

Keep engine to right, hold unit firmly with both hands.

Trimmer Head Position

Maintain trimmer head below waist level.

Handle Condition

Ensure handles are free from oil and fuel.

Component Identification

Assembly Instructions

Installing the Handle

Step-by-step guide for attaching the handle to the trimmer.

Trimmer Assembly Steps

Attaching Cutting Guard

Instructions for fitting the cutting attachment guard.

Connecting the Shaft

Procedure for connecting the working shaft to the main shaft.

Installing the Blade

Steps to correctly install the cutting blade.

Installing the Trimmer Head

Guide for attaching the trimmer head.

Strimmer Balancing

Balancing the Strimmer

Instructions for balancing the strimmer using the harness.

Fueling Safety Precautions

Fuel Container Requirements

Always use a fuel container with an anti-spill valve.

Refueling Procedure

Stop engine, let cool, refuel with good ventilation.

Post-Refueling Start

Move machine away from refueling point before starting.

Starting Precautions

Do not start if fuel is spilled, on clothes, or if leaking. Avoid skin contact.

Mixing Oil and Fuel

Fuel Flammability Warning

Petrol is flammable; avoid flames and sparks near fuel.

Fuel Mixture Ratio

Use a 40:1 mix of unleaded petrol and 2-stroke oil.

Mixing Procedure

Mix fuel according to 40:1 ratio using the provided measuring jug.

Filling the Unit with Fuel

Fueling the Unit

Instructions for filling the fuel tank.

Refueling Location

Select bare ground for refueling.

Post-Refueling Distance

Move at least 10 feet (3 meters) away before starting.

Engine Status During Refueling

Always stop the engine before refilling the unit with fuel.

Engine Fueling Precautions

Avoidance for Engine Longevity

Avoid raw petrol, gasohol, 4-stroke oil, stale fuel mixes for engine life.

Priming the Strimmer

Prime the Bulb

Press the priming bulb 5 to 8 times to aid starting.

Set the ON Switch

Move the strimmer's switch to the 'On' position.

Setting the Choke

Cold Engine Choke Setting

For cold engines, set choke to 'Start' (closed).

Warm Engine Choke Setting

For warm engines, set choke to 'Run' (open).

Starting the Strimmer

Strimmer Positioning

Place strimmer on ground with pull start facing upwards.

Grip and Pull Technique

Hold strimmer firmly and pull start assembly correctly.

Expected Pulls

Expect the strimmer to start within 3-5 pulls.

Rope Pulling Direction

Pull the starter rope vertically as much as possible.

Opening the Choke

Choke Adjustment During Operation

Move choke to 'Run' (open) once the engine is running.

Engine Idling Period

Rev engine and let it idle for 30-40 seconds.

Troubleshooting Common Issues

Checking the Fuel Mix

Verify fuel mix ratio and freshness for starting problems.

Carburetor Adjustment

Adjust carburetor for optimal air and fuel balance.

Carburetor Adjustment Details

Locate Adjustment Screw

Find the carburetor adjustment screw on the machine.

Initial Screw Setting

Turn screw clockwise fully, then 1.5-2 turns counter-clockwise.

Adjusting for Rich Mixture

Turn screw counter-clockwise for more fuel (poor acceleration).

Adjusting for Lean Mixture

Turn screw clockwise for more air (excessive smoke).

Checking for Engine Flooding

Accessing the Spark Plug

Remove casing and lead to access the spark plug.

Identifying Flooding

Check spark plug for fuel dampness indicating flooding.

Clearing Flooding

Remove plug and allow excess fuel to evaporate.

Checking for a Spark

Spark Plug Removal

Remove spark plug wire and spark plug using the toolkit.

Spark Plug Reinstallation

Reinsert the spark plug back into its wire.

Spark Test Setup

Hold wire boot and place plug tip on a metal surface.

Performing Spark Test

Turn tool on, pull starter cord to check for sparks.

Fuel Tank Filter Check

Check Fuel Filter

Check fuel filter for blockage if priming bulb is empty.

Accessing Fuel Tank

Open the fuel tank to remove the filter.

Restarting Procedure

Restart the starting procedure after checks.

Contact Support

Contact SGS for further assistance if problems persist.

Work Techniques Overview

Basic Working Techniques

Idle engine after use; avoid prolonged full throttle without load.

Grass Trimming Method

Hold trimmer head at angle, let line work; avoid pressing into ground.

Obstacle Clearing

Line clears near obstacles but can cause damage.

Line Wear Factors

Line wears faster on hard surfaces than on wood.

Specific Cutting Techniques

Cutting Grass

Cut grass parallel to ground, avoid ground contact with head.

Ground Contact Warning

Avoid constant ground contact with trimmer head to prevent damage.

Sweeping Technique

Use rotating line's fan effect for quick clearing.

Throttle Use for Efficiency

Use full throttle for best results in cutting and sweeping.

Machine Maintenance Essentials

Regular Maintenance Importance

Maintain machine for good condition and longevity.

Security and Cleaning

Perform maintenance, cleaning, and use approved parts.

Servicing Safety

Ensure engine is stopped and cool before performing any service.

Air Filter Maintenance

Clean or replace clogged air filter for optimal performance.

Component Maintenance Checks

Fuel Filter Check

Check fuel filter for blockages if engine runs short of fuel.

Spark Plug Maintenance

Clean spark plug and check gap for starting issues.

Engine Blockage Clearing

Clearing Blockages

Clear blockages around intake vent and fins to prevent overheating.

Muffler Cleaning (100 Hours)

Clean muffler vent and exhaust port for carbon buildup.

Transporting the Strimmer

Moving Between Work Locations

Turn off engine, lift unit carefully when moving locations.

Fuel Spillage Prevention

Avoid spilling fuel during transportation.

Long Distance Transport

Ensure engine is cool and fluids secure for long transport.

Safety Equipment Checks

Faulty Safety Equipment

Do not use machine with faulty safety equipment.

Maintenance of Safety Gear

Check and maintain machine safety equipment as described.

Stop Switch Functionality

Ensure the stop switch correctly stops the engine.

Cutting Attachment Safety

Cutting Attachment Guard

Guard prevents thrown objects and contact with attachment.

Mandatory Guard Use

Always use an approved guard with cutting attachments.

Vibration and Line Issues

Incorrect line or attachment increases vibration levels.

Vibration Health Warning

Vibration exposure can cause circulatory/nerve damage.

Muffler Safety and Function

Muffler Function

Muffler reduces noise and directs exhaust gases away.

Catalytic Converter Feature

Muffler has a catalytic converter for emission reduction.

Hot Muffler Warning

Catalytic mufflers get very hot; risk of burns.

Faulty Muffler Prohibition

Never use the machine with a faulty muffler.

Cutting Equipment Guidance

Cutting Equipment Selection

Guide to choosing and maintaining cutting equipment.

General Cutting Rules

Use only SGS recommended attachments with guards.

Cutting Attachment Inspection

Inspect cutting attachment for damage; replace if cracked.

Trimmer Head Usage

Recommended Trimmer Heads

Use only SGS recommended cutting attachments.

Matching Head to Machine

Match trimmer head size to machine size for optimal performance.

Trimmer Line Length Impact

Trimmer line length affects engine power requirements.

Trimmer Guard Cutter

Ensure trimmer guard cutter is intact for line trimming.

Trimmer Line Lifespan

Soaking line in water for days can increase its lifespan.

Storage and Transport Safety

Safe Storage and Transport

Store/transport safely to avoid sparks, flames, or fumes.

Fuel Container Standards

Use approved containers for fuel storage and transport.

Long-Term Storage Prep

Empty fuel tank, clean, and service machine before long-term storage.

Fuel Handling Warning

Handle fuel with care due to fire and explosion risks.

Summary

Safe Operation Guidelines

Read Operators Manual

Read and understand all warnings before operating the machine.

Personal Protective Equipment

Wear head, eye, and ear protection using suitable work-wear.

Awareness of Surroundings

Watch out for thrown objects and ricochets.

Safety Distance

Ensure no persons or animals are closer than 50 feet (15 meters) while working.

Personal Safety Equipment

Gloves

Wear gloves when fitting cutting attachments.

Hearing Protection

Use hearing protection that provides adequate noise reduction.

Eye Protection

Always wear approved eye protection.

Footwear

Wear sturdy, non-slip boots.

Appropriate Clothing

Wear strong fabric, avoid loose clothing, secure hair.

Operational Safety Rules

Machine Usage Limitations

Machine is for grass trimming only; use recommended attachments.

Operator Condition

Do not operate when tired, under influence, or on medication.

Environmental Conditions

Avoid operating in extreme weather conditions.

Machine Modifications

Do not use machines that have been modified from original specification.

Faulty Equipment

Never use faulty machines; seek professional service.

Pre-Operation Safety Checks

Guard and Cover Installation

Ensure all covers and guards are fitted before starting.

Spark Plug and Lead Integrity

Check spark plug cap and lead for damage to prevent electric shock.

Operating Stance and Grip

Keep engine to right, hold unit firmly with both hands.

Trimmer Head Position

Maintain trimmer head below waist level.

Handle Condition

Ensure handles are free from oil and fuel.

Component Identification

Assembly Instructions

Installing the Handle

Step-by-step guide for attaching the handle to the trimmer.

Trimmer Assembly Steps

Attaching Cutting Guard

Instructions for fitting the cutting attachment guard.

Connecting the Shaft

Procedure for connecting the working shaft to the main shaft.

Installing the Blade

Steps to correctly install the cutting blade.

Installing the Trimmer Head

Guide for attaching the trimmer head.

Strimmer Balancing

Balancing the Strimmer

Instructions for balancing the strimmer using the harness.

Fueling Safety Precautions

Fuel Container Requirements

Always use a fuel container with an anti-spill valve.

Refueling Procedure

Stop engine, let cool, refuel with good ventilation.

Post-Refueling Start

Move machine away from refueling point before starting.

Starting Precautions

Do not start if fuel is spilled, on clothes, or if leaking. Avoid skin contact.

Mixing Oil and Fuel

Fuel Flammability Warning

Petrol is flammable; avoid flames and sparks near fuel.

Fuel Mixture Ratio

Use a 40:1 mix of unleaded petrol and 2-stroke oil.

Mixing Procedure

Mix fuel according to 40:1 ratio using the provided measuring jug.

Filling the Unit with Fuel

Fueling the Unit

Instructions for filling the fuel tank.

Refueling Location

Select bare ground for refueling.

Post-Refueling Distance

Move at least 10 feet (3 meters) away before starting.

Engine Status During Refueling

Always stop the engine before refilling the unit with fuel.

Engine Fueling Precautions

Avoidance for Engine Longevity

Avoid raw petrol, gasohol, 4-stroke oil, stale fuel mixes for engine life.

Priming the Strimmer

Prime the Bulb

Press the priming bulb 5 to 8 times to aid starting.

Set the ON Switch

Move the strimmer's switch to the 'On' position.

Setting the Choke

Cold Engine Choke Setting

For cold engines, set choke to 'Start' (closed).

Warm Engine Choke Setting

For warm engines, set choke to 'Run' (open).

Starting the Strimmer

Strimmer Positioning

Place strimmer on ground with pull start facing upwards.

Grip and Pull Technique

Hold strimmer firmly and pull start assembly correctly.

Expected Pulls

Expect the strimmer to start within 3-5 pulls.

Rope Pulling Direction

Pull the starter rope vertically as much as possible.

Opening the Choke

Choke Adjustment During Operation

Move choke to 'Run' (open) once the engine is running.

Engine Idling Period

Rev engine and let it idle for 30-40 seconds.

Troubleshooting Common Issues

Checking the Fuel Mix

Verify fuel mix ratio and freshness for starting problems.

Carburetor Adjustment

Adjust carburetor for optimal air and fuel balance.

Carburetor Adjustment Details

Locate Adjustment Screw

Find the carburetor adjustment screw on the machine.

Initial Screw Setting

Turn screw clockwise fully, then 1.5-2 turns counter-clockwise.

Adjusting for Rich Mixture

Turn screw counter-clockwise for more fuel (poor acceleration).

Adjusting for Lean Mixture

Turn screw clockwise for more air (excessive smoke).

Checking for Engine Flooding

Accessing the Spark Plug

Remove casing and lead to access the spark plug.

Identifying Flooding

Check spark plug for fuel dampness indicating flooding.

Clearing Flooding

Remove plug and allow excess fuel to evaporate.

Checking for a Spark

Spark Plug Removal

Remove spark plug wire and spark plug using the toolkit.

Spark Plug Reinstallation

Reinsert the spark plug back into its wire.

Spark Test Setup

Hold wire boot and place plug tip on a metal surface.

Performing Spark Test

Turn tool on, pull starter cord to check for sparks.

Fuel Tank Filter Check

Check Fuel Filter

Check fuel filter for blockage if priming bulb is empty.

Accessing Fuel Tank

Open the fuel tank to remove the filter.

Restarting Procedure

Restart the starting procedure after checks.

Contact Support

Contact SGS for further assistance if problems persist.

Work Techniques Overview

Basic Working Techniques

Idle engine after use; avoid prolonged full throttle without load.

Grass Trimming Method

Hold trimmer head at angle, let line work; avoid pressing into ground.

Obstacle Clearing

Line clears near obstacles but can cause damage.

Line Wear Factors

Line wears faster on hard surfaces than on wood.

Specific Cutting Techniques

Cutting Grass

Cut grass parallel to ground, avoid ground contact with head.

Ground Contact Warning

Avoid constant ground contact with trimmer head to prevent damage.

Sweeping Technique

Use rotating line's fan effect for quick clearing.

Throttle Use for Efficiency

Use full throttle for best results in cutting and sweeping.

Machine Maintenance Essentials

Regular Maintenance Importance

Maintain machine for good condition and longevity.

Security and Cleaning

Perform maintenance, cleaning, and use approved parts.

Servicing Safety

Ensure engine is stopped and cool before performing any service.

Air Filter Maintenance

Clean or replace clogged air filter for optimal performance.

Component Maintenance Checks

Fuel Filter Check

Check fuel filter for blockages if engine runs short of fuel.

Spark Plug Maintenance

Clean spark plug and check gap for starting issues.

Engine Blockage Clearing

Clearing Blockages

Clear blockages around intake vent and fins to prevent overheating.

Muffler Cleaning (100 Hours)

Clean muffler vent and exhaust port for carbon buildup.

Transporting the Strimmer

Moving Between Work Locations

Turn off engine, lift unit carefully when moving locations.

Fuel Spillage Prevention

Avoid spilling fuel during transportation.

Long Distance Transport

Ensure engine is cool and fluids secure for long transport.

Safety Equipment Checks

Faulty Safety Equipment

Do not use machine with faulty safety equipment.

Maintenance of Safety Gear

Check and maintain machine safety equipment as described.

Stop Switch Functionality

Ensure the stop switch correctly stops the engine.

Cutting Attachment Safety

Cutting Attachment Guard

Guard prevents thrown objects and contact with attachment.

Mandatory Guard Use

Always use an approved guard with cutting attachments.

Vibration and Line Issues

Incorrect line or attachment increases vibration levels.

Vibration Health Warning

Vibration exposure can cause circulatory/nerve damage.

Muffler Safety and Function

Muffler Function

Muffler reduces noise and directs exhaust gases away.

Catalytic Converter Feature

Muffler has a catalytic converter for emission reduction.

Hot Muffler Warning

Catalytic mufflers get very hot; risk of burns.

Faulty Muffler Prohibition

Never use the machine with a faulty muffler.

Cutting Equipment Guidance

Cutting Equipment Selection

Guide to choosing and maintaining cutting equipment.

General Cutting Rules

Use only SGS recommended attachments with guards.

Cutting Attachment Inspection

Inspect cutting attachment for damage; replace if cracked.

Trimmer Head Usage

Recommended Trimmer Heads

Use only SGS recommended cutting attachments.

Matching Head to Machine

Match trimmer head size to machine size for optimal performance.

Trimmer Line Length Impact

Trimmer line length affects engine power requirements.

Trimmer Guard Cutter

Ensure trimmer guard cutter is intact for line trimming.

Trimmer Line Lifespan

Soaking line in water for days can increase its lifespan.

Storage and Transport Safety

Safe Storage and Transport

Store/transport safely to avoid sparks, flames, or fumes.

Fuel Container Standards

Use approved containers for fuel storage and transport.

Long-Term Storage Prep

Empty fuel tank, clean, and service machine before long-term storage.

Fuel Handling Warning

Handle fuel with care due to fire and explosion risks.

SGS GPS520 Specifications

General IconGeneral
BrandSGS
ModelGPS520
CategoryTrimmer
LanguageEnglish

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