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Visit www.gmctools.com to view the online instruction 

manual/DVD for this product.

IntroDuctIon 

Thank you for purchasing this GMC tool. These instructions contain 
information necessary for safe and effective operation of this product 
and will enable you to get the full benefit of its unique features. Keep 
this manual close at hand and ensure all users of this tool read and fully 
understand the instructions prior to use.

Safety InStructIonS for petrol trImmerS 

  Wear suitable clothing, for example long trousers, safety work shoes, 

heavy duty work gloves. and suitable protective equipment including 
hard hat, a safety face shield or safety glasses for eye protection, and a 
good grade of ear plugs or other sound barriers for hearing protection. 
Do not wear loose clothing.

  Do not operate the unit indoors. Open fuel cap slowly to release 

any pressure which may have formed in the fuel tank. To prevent a 
fire hazard, move at least 10 feet (3 metres) from fuel container  
before starting.

  It is the user’s responsibility to comply with all local and national fire 

prevention regulations. 

  Do not run the engine in ill-ventilated, confined spaces. There is a 

danger of poisoning by exhaust gas.

  Turn the engine off before putting the strimmer down. Do not transport 

the strimmer with the engine running. 

 Keep handle dry, clean and free of fuel mixture.
 Always grip the unit firmly by the handle.
  Keep all screws and fasteners tight. Never operate the equipment when 

it is improperly adjusted or not completely and securely assembled. 
Only use approved cutting attachments.

  Use only genuine spare parts for repairing or replacing worn parts. Use 

of non-approved parts will invalidate your warranty.

  Keep cutting head as close to ground as practical. Avoid hitting small 

objects with the cutting line. When cutting on a slope, stand below the 
cutting head.

•  Maintain your balance. NEVER cut or trim on a hill or slope if there is 

the slightest chance of slipping or losing firm footing.

  Check area for debris that may be struck or thrown during operation.
•  Keep all parts of your body and clothing away from the cutting line when 

starting or running the engine. Before starting the engine, ensure the 
cutting line will not come in contact with any obstacles.

  S top engine before examining the cutting head.
•  Store equipment away from possible flammable materials, such as gas-

powered water heaters, clothes dryers, oil-fired boilers etc.

  Always keep the debris shield/guard, cutting line, and engine free from 

build up of debris.

  Operation of equipment should always be restricted to mature and 

properly instructed individuals. Never allow children to operate 

 

this unit.

  Check there is no leakage from the fuel tank.

Safety In uSe

  Do not use any fuel other than that recommended in this manual. 

Always follow instructions in this manual. Never use petrol unless it is 
properly mixed with 2-stroke engine lubricant. Permanent damage to 
the engine will result, voiding the manufacturer’s warranty.

 Do not smoke while refueling or operating this strimmer.
  

Do not operate unit without the exhaust and properly installed 

 

exhaust shield.

  Do not touch or let your hands or body come in contact with  

the exhaust. 

  Do not operate the unit in awkward positions, off balance, out-stretched 

arms, or one-handed. Always use two hands when operating the unit.

  Do not raise the cutting head far out of the grass while the unit is 

operating or injury may result.

  Do not use the strimmer for any purpose other than trimming lawn or 

garden areas.

• Do not operate the unit for prolonged periods without taking a rest.
 Do not operate the unit while under the influence of alcohol or drugs.
  Do not operate the unit without the debris shield and/or guard installed 

and in good condition.

  Do not add, remove or alter any components of this product. Doing so 

could cause personal injury and/or damage the unit, and may invalidate 
your warranty.

  Do not operate the unit near or around flammable liquids or gases. An 

explosion and/or fire may result.

DeclaratIon of conformIty 

 

the undersigned: Mr Philip Ellis  as authorised by: GMC  
Declare that:  
product code: LTP30  
Description: Petrol Line Trimmer  
conforms to the following directives:  
•  EMISSIONS FROM NON-ROAD MOBILE MACHINERY DIRECTIVE 

97/68/EC 

• MACHINERY DIRECTIVE 2006/42/EC
• ELECTROMAGNETIC COMPATIBILITY DIRECTIVE 2004/108/EC 
• EU NOISE DIRECTIVE 2000/14/EC & 2005/88/EC 
• EN ISO 14982:2009 
• EN ISO 11806:2008 
the technical documentation is kept by Gmc  
Date: 16/09/10 
Signed by: Mr Philip Ellis, 
 

 

managing Director

SpecIfIcatIonS 

net weight: 5.2kg.  engine type: Air-cooled, 2-cycle. Displacement: 
30cc.  fuel/oil mix: 40:1.  Ignition:  Electronic.  Spark plug: TORCH 
L8RTC. fuel tank capacity: 500ml. cutting path diameter: 430mm. 
line cord diameter: 
2mm.  max engine power: 1.0kW/7800min

-1

. 

Sound pressure: 96.9dB(A). Sound power: 112dB(A).

unpackInG 

Carefully unpack and inspect your product. Fully familiarise yourself with 
all features of the tool. If you find anything wrong, do not operate the tool 
and refer the problem to your stockist. Do not attempt to repair the fault 
yourself as this can be dangerous and will invalidate your guarantee.

contentS of carton 

Check that you have all the components, and that they are in good order. 
If any parts are missing or damaged, return the product to your retailer.

acceSSorIeS

• 1 x Sparking Plug Wrench  
• 1 x Torx Key  
• 1 x 5mm Allen Key  
• 1 x 4mm Allen Key 
• 1 x Harness

aSSembly 

WarnInG: Never undertake any assembly or maintenance operations 
whilst the engine is running. Ensure the power switch is in the  
STOP position.

aSSemblInG the Shaft

• Loosen the locking collar using the locking collar nut.
  Align the locking button on the lower shaft with the hole in the  

upper shaft.

•  Depress the locking button and push the lower shaft into the upper 

shaft so that the locking button clicks home and the two shafts cannot 
be pulled apart.

• Tighten the locking collar using the locking collar nut.
  Attach safety guard (1) securely to fixing position on shaft using  

bolt supplied.

remoVInG the Spool aSSembly

• Ensure engine is off and power switch is in the STOP position.
• Hold the spool housing. 
• Undo the locking knob and remove the spool assembly.

replacInG the cuttInG lIne

• Ensure engine is off and power switch is in the STOP position.
• Remove the spool assembly.
• Cut 2 x 6 metre lengths of 2mm nylon cutting line.
•  Make a loop at one end of one of the lengths of cutting line and insert 

into one of the fixing holes. 

•  Wrap the line firmly clockwise in the direction of the arrow marked on 

the housing leaving approx. 150mm of line loose.

• Repeat procedure with the other line.

InStallInG the Spool

•  Thread  the  loose  ends  of  the  cutting  lines  through  the  holes  in  the 

spool cover.

• Push the spool and line assembly onto the spindle.
•  Ensure  the  hexagonal  recess  on  the  spool  is  fully  located  on  the 

hexagonal section of the spindle.

•  Re-fit the locking knob and rotate until it is fully tightened and secure.
After changing the line spool, run the petrol line trimmer under no 
load for at least a minute to make sure that the line and the tool are 
both operating correctly. Use only the line spool as recommended  
by the manufacturer.

aDjuStInG the SeconDary hanDle

The line trimmer is supplied with the secondary handle attached. 
However, if it is not in a comfortable position, you can easily adjust it.
 Use the hex key supplied to loosen the bolt and washer. 
 Adjust the position of the handle to suit.
•  Tighten the secondary handle bolt, locking it firmly in position.

operatIon 

fuelInG              

Danger of fire and burn injuries

•  Always  use  extreme  care  when  handling  fuel.  Fuel  is  

highly flammable.

•  Never attempt to fuel the line trimmer if the fuel system components are 

damaged or are leaking.

•  Never attempt to refuel the engine while it is running or still warm; allow 

it to cool before fueling.

• Never smoke or light any fires near the line trimmer or fuels.
• Always transport and store fuels in an approved container.
• Never place flammable material close to the engine exhaust.
•  Do not use petrol which contains ethanol or methanol as it may damage 

the fuel lines and other engine parts.

•  Mix only enough fuel for your immediate needs. If fuel must be stored 

longer than 30 days, it should first be treated with a stabilizer or  
similar product.

motor fuel: Mix the petrol and oil at 40:1 ONLY.
  Use fresh unleaded petrol. You must use 100% synthetic oil specifically 

made for heavily stressed two-stroke engines.

  Mix the petrol and oil in an approved container. Never mix fuel directly 

in the line trimmer fuel tank.

  Place the unit upright on the ground or on a sturdy bench and wipe any 

debris from around the fuel cap.

•  Unscrew the fuel tank cap and pour the mixture into the tank with the 

aid of a funnel.

  Be careful not to spill any mixture. If this happens, wipe the spill with 

a clean rag.

  Start the engine at least three metres away from the area where the fuel 

tank has been filled up in order to avoid any risk of fire.

StartInG the enGIne

 Move the ignition switch to the ON position marked ‘I’.
 Move the choke lever up to the start position (cold start).
note: This is not required if the engine is already warm.
  Push the primer button 6 times, so that the petrol/oil mixture flows in 

and out of the discharge hose located above the fuel tank.

  Pull the recoil starter 2-3 times until you hear the engine starting. 
 Push the choke lever down to the run position (warm start).
•  The engine may start, or it may be required to pull on the recoil starter 

more times until the engine starts.

  Allow the engine to run idle for around 10 seconds to let it warm up.
 

 

To engage the cutting line, squeeze the safety lever and 

 

throttle trigger.

StoppInG the enGIne

Warning: The cutting line will continue to rotate for a few seconds after 
the engine has stopped.
  

Release the throttle trigger and allow the engine to idle for 

 

a few moments.

 Move the ignition switch to the off position marked STOP.

runnInG In the enGIne

 During the first 5 hours of work, run the engine at a moderate RPM.
  

The engine will reach its maximum power at the end of the 

 

run-in period.

uSInG the trImmer

•  When cutting, always wear safety glasses, face protection, protective 

clothing, and use the harness.

•  This trimmer is suitable for trimming high grass and weeds.
•  Examine the territory and determine the desired cutting height. Hold the 

cutting head at the desired height to achieve an even cutting result.

• Swing the trimmer in sickle-like movements from side to side. 
• Always hold the cutting head parallel to the ground. 
•  Operate  alone  without  assistance.  Do  not  allow  anyone  within  a  

15 metre radius from the operator.

•  Balance the line trimmer to your right in a natural position while holding 

it with the handle grips.

•  If several trimmers are in use simultaneously, keep minimum 15 metre 

distance between operators.

•  Ensure you have a firm footing when using the trimmer. Do not operate 

during rain.

•  Ensure  the  engine  is  off  and  power  switch  in  the  STOP  position 

before attempting to remove foreign objects wound around 

 

the cutter housing.

uSInG the lIne trImmer

The line trimmer spool has a bump feed mechanism. To advance the line, 
bump the base of the spool assembly onto the ground whilst maintaining 
a moderate engine speed.
If the head does not properly extend the nylon line: turn off the engine, 
allow the spool to come to a complete halt and move the ignition switch 
to the STOP position before inspecting the head.

maIntenance 

air filter

Accumulated dust in the air filter will reduce engine efficiency, increase 
fuel consumption and allow abrasive particles to pass into the engine. 
Remove the air filter and clear regularly.
• Remove filter cover.
• Tap the filter to remove light surface dust. 
• Wash out heavy deposits in a suitable solvent.

fuel filter

•  The fuel tank is fitted with a filter situated at the free end of the fuel 

pipe.This can be picked out through the fuel port with a piece of hooked 
wire or similar.

•  Check  the  fuel  filter  periodically.  Do  not  allow  dust  to  enter  the  fuel 

tank. A clogged filter will make the engine more difficult to start and can 
cause abnormalities in engine performance.

• Replace the filter when dirty.
•  When  the  inside  of  the  fuel  tank  is  dirty  clean  it  by  rinsing  it  out  

with petrol.

checking the spark plug

Check the spark plug every 10-15 hours of use.
• Remove the spark plug cover.
  Use the spark plug wrench to remove the spark plug by turning it  

anti-clockwise.

 Clean and adjust the spark plug gap to 0.6 - 0.7mm.
•  Replace  damaged  or  visibly  worn  plug  with  a  TORCH  L8RTC  or 

equivalent spark plug.

  Install the spark plug finger tight in the cylinder head, then tighten it 

firmly with the spark plug wrench.

StoraGe

 

•  When you finish working, clean the trimmer completely, making sure 

there is no grass or dirt wrapped around the cutting head. 

•  Take  care  not  to  damage  the  fuel  tank  when  putting  the  tool  on  the 

ground. Do not drop the tool.

• Store the tool away from direct sunlight.
•  Do  not  store  in  a  nylon  bag  as  this  can  encourage  the  formation  

of mould.

•  At  the  end  of  the  season,  give  the  trimmer  an  overall  clean  and  a 

thorough check.

•  Do not leave the trimmer resting on the floor for extended periods as it 

could cause the shape of the guard to alter, posing a safety risk. Hang 
it off the floor by the handgrip.

Whenever the machine is not used for a long period of time, proceed 
as follows:
• Empty the fuel tank completely.
• Protect all metal engine parts from corrosion by coating them with oil.
•  Remove the spark plug, put a few drops of oil into the cylinder and then 

pull the recoil starter 2 to 3 times in order to distribute the oil evenly. 
Replace the spark plug.

troubleShootInG 

power loss or sudden stopping of the engine

• Check whether there is fuel in the tank.
•  Check whether the fuel reaches the carburetor. Clean the fuel filter in 

the fuel tank.

• If there is water in the mixture, drain and rinse the entire fuel system.
• Check the air filter and clean as needed.
•  Check if there are carbon deposits in the cylinder exhaust pipe or the 

exhaust. Clean these or change the silencer.

bad quality cut

• The grass is too high or too thick for the engine power.
• Vegetation is wrapped around the cutting head.

Spares

Genuine spare parts for GMC tools are available direct from  
www.toolsparesonline.com.

for more information, see the online manual/DVD  

at www.gmctools.com.

GB

www.gmctools.com

GB

NL

F

know your product

1.  

Safety Guard

2.  

Cutting Line

3. 

Cutting Head Assembly

4.  

Drive Shaft Assembly

5.  

Handle

6.  

Ignition Switch

7.  

Safety Lever

8.  

Harness Clip

9.  

Recoil Starter

10.  Spark Plug

11.  

Air Filter Cover

12.  Primer Bulb

13.  Choke 

Lever

14.  Fuel 

Tank

15.  Throttle 

Trigger

ken uw product

1. 

Veiligheidsafscherming

2.  

Strimlijn

3.  

Maaikop

4.  

Bedieningsstang

5.  

Handgreep

6.  

Ontstekingsschakelaar

7.  

Veiligheidshendel

8.  

Tuigklem

9.  

Startkoord

10.  Bougie

11.  

Luchtfilterkap

12.  Brandstofaanzuigdop

13.  Chokehendel

14.  Brandstoftank

15.  Smoorregelaar

présentation du produit

1. 

Protection

2.  

Fil de coupe

3.  

Ensemble de la tête de coupe

4.  

Ensemble de l’axe d’entraînement 

5.  

Guidon

6.  

Interrupteur de Marche/Arrêt

7.  

Levier de sécurité

8.  

Point de fixation du harnais

9.  

Poignée du lanceur

10.  Bougie

11.  

Couvercle du filtre à air

12.  Pompe d’amorçage

13.  Levier du starter

14.  

Réservoir d’essence 

15.  Gâchette d’accélérateur

D

I

E

produktvorstellung

1. 

Schutzvorrichtung

2.   

Schneidfaden

3.   

Schneidkopfaufbau

4.   

Antriebsschaftaufbau

5.   

Griff

6.   

Zündschalter

7.   

Sicherheitshebel

8.   

Tragegurthalterung

9.   

Rückzugstarter

10.  Zündkerze

11. 

  Luftfilterabdeckung

12.  Saugkolben

13.  Starterhebel

14.  Kraftstof

ftank

15.  Drosselauslöser

 

Informazioni sul prodotto

1.  

Protezione di sicurezza

2. 

Filo

3. 

Testa di taglio

4. 

Albero di trasmissione

5. 

Impugnatura

6. 

Interruttore di accensione

7. 

Leva di sicurezza

8. 

Attacco imbragatura

9. 

Motorino di avviamento a strappo

10. Candela

11.

 Coperchio del filtro dell’aria

12. Pompetta di adescamento

13. Leva dell’aria

14. Serbatoio del carburante

15. Comando del gas

presentación del 

producto  

1. 

Protector de seguridad 

2. 

Hilo de corte

3. 

Conjunto del cabezal de corte

4. 

Conjunto del eje accionador

5. 

Manija

6. 

Interruptor de encendido

7. 

Palanca de seguridad 

8. 

Punto de sujeción del arnés

9. 

Arrancador de retroceso 

10. Bujía

11. 

Tapa del filtro del aire 

12. Bombilla del cebador

13. Palanca del estrangulador 

14. Depósito de combustible

15. Regulador de gases 

OPERATING & SAFETY INSTRUCTIONS 

BEDIENINGS- EN VEILIGHEIDSINSTRUCTIES 
INSTRUCTIONS D’UTILISATION ET CONSIGNES  

DE SECURITE
BEDIENUNGS- & SICHERHEITSANWEISUNG
ISTRUZIONI PER L’USO E LA SICUREZZA
INSTRUCCIONES DE FUNCIONAMIENTO  

Y SEGURIDAD

30CC  

PETROL LINE TRIMMER

LTP30

BENZINESTRIMMER
COUPE-BORDURE à ESSENCE
BENZIN RASENTRIMMER
TAGLIABORDI A BENZINA 
RECORTADORA DE GASOLINA 

11

12

13

14

15

1

2

3

4

5

6

7

9

10

8

Gb  

DO NOT USE BEFORE VIEWING AND UNDERSTANDING 
THE FULL OPERATING INSTRUCTIONS AT  
WWW.GmCTOOLS.COm

nl   nIet GebruIken VoorDat u alle 

beDIenInGSInStructIeS bIj WWW.GmctoolS.com 
heeft bekeken en beGrepen

f  

NE PAS UTILISER AVANT D’AVOIR PRIS PLEINEmENT 
CONNAISSANCE DE L’INTéGRALITé DES INSTRUCTIONS 
D’UTILISATION SUR WWW.GmCTOOLS.COm

D   Vor Dem Gebrauch leSen SIe bItte SorfGfÄltIG 

DaS VollStÄnDIGe beDIenunGShanDbuch unter  
WWW.GmctoolS.com

I  

NON USARE L'APPARECCHIO PRImA DI AVER LETTO E 
CAPITO TUTTE LE ISTRUZIONI D'USO SU  
WWW.GmCTOOLS.COm

e  

NO UTILISAR ESTE PRODUCTO ANTES DE HABER 
LELDO Y ENTENDIDO EL mANUAL COmPLETO EN  
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469258_PET_LINE_TRIM_MANUAL.indd   1

27/01/2011   09:56

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