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13

AIR FILTER

1. Inspect the air filter regularly. Clean it at least every 

25 hours or replace with a new one if necessary.

2. Press the air filter seat,open the air filter case. Tap 

the filter on a stable surface to remove dust. Use high 

pressure air (max. 3 bar) to remove stubborn dust.

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3. Apply a small amount of air filter oil on the filter to 

increase the filter performance. Wring out surplus oil 

and put the filter into the case.

4. Close the air filter case.

FUEL

1. Empty the fuel tank when storing the machine over 30 

days to avoid deterioration of the fuel.

2. Open the tank by unscrewing the tank cap and use a 

proper fuel pump to empty the tank.

NOTE: Petrol deteriorates over time. Engine starting 

may be difficult if you use petrol kept for more than 

30 days. Always empty the fuel tank when storing 

over 30 days.

FUEL FILTER

The fuel tank of this machine is fitted with a filter 

located at the free end of fuel pipe. Periodically ask an 

authorised service centre or similar qualified

person to check and replace it.

SPARK PLUG

1. Inspect the spark plug at least every 25 hours, clean 

and replace with a new one if necessary.

2. Unplug the spark plug connector by pulling.

3. Loosen the spark plug with the spark plug wrench and 

remove it.

4. The colour of the electrode shall be light brown.

5. Remove debris like oil with a brass brush. Do not force 

the brush to avoid any damage.

6. Dry the spark plug with a soft cloth if it is wet.

7. Check the spark plug gap. It should be 0.6-0.7mm.

8. Replace with a new spark plug if you find damages 

like cracks or a splintered insulation.

9. Screw in the spark plug by hand, and then tighten it 

with a spark plug wrench.

WARNING! Do not over tighten the spark plug to 

avoid any damage!

CARBURETTOR

The carburettor is readjusted by the manufacturer. 

Should it be necessary to make any changes please 

contact an authorised service centre or similar

qualified person. Do not attempt to make adjustments by 

yourself.

SILENCER

Should it be necessary to make any changes or 

replacement, please contact

an authorised service centre or similar qualified person.

REPLACING SPOOL

1. If the cutting line is used up the spool must either 

be replaced by one of the same type or the cutting line 

must be refilled.

2. To refill the cutting line lay the machine on a flat 

stable surface with its spool assembly facing upwards.

3. Open the spool assembly by unscrewing the bumper 

clockwise.

4. To replace the spool simply remove from the spool 

assembly and replace with a new one of the same type 

that recommended.

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Summary of Contents for STR-750

Page 1: ...Petrol grass trimmer Petrol grass trimmer STR 750 GB Original instructions ...

Page 2: ...Manufactured under license by MATRIX GmbH Postauer Straße 26 D 84109 Wörth Isar www matrix direct net Stanley is a registered trademark of The Stanley Works or its affiliates and is used under license GB ...

Page 3: ...3 A1 12 4 9 7 5 6 16 15 17 18 19 14 5 6 1 16 13 10 11 3 2 8 4 ...

Page 4: ...4 Fig 1 Fig 4 Fig 8 Fig 10 Fig 2 Fig 5 Fig 7 Fig 11 Fig 3 Fig 6 Fig 9 Fig 12 ...

Page 5: ...vice and remove the spark plug prior to maintenance work The distance between the device and people in the vicinity must be at least 15 m Tool lags behind Attention Hot parts Stay away Guaranteed sound power level Table of Contents 1 Symbols 5 2 Intended use 6 3 Safety instructions 6 4 Parts List 8 5 Assembly 9 6 FueL 10 7 Operation instructions 10 8 Maintenance and repairs 12 9 Technical data 14 ...

Page 6: ...ng or jewellery which can be caught in moving parts Use of sturdy gloves non skid footwear and safety glasses is recommended 5 Use extra care when handling fuels They are flammable and the vapours are explosive The following points should be observed Use only an approved container Never remove the fuel cap or add fuel with the power source running Allow engine and exhaust components to cool down b...

Page 7: ... where the fuel vapour will not reach an open flame or spark Always allow the machine to cool down before storing 3 When not in use store the machine out of the reach of children 4 Use only manufacturers recommended replacement parts and accessories 5 When transporting or storing the machine always fit the cutting device transport guard 6 Store the machine and its accessories in a dry clean place ...

Page 8: ...rk plug connector if there s malfunctions Have the machine checked by a qualified professional and repaired if necessary before you put it into operation again 3 In case of fire stop the engine and unplug the spark plug connector Immediately use fire extinguishing measures if the switch of the machine is no longer accessible Warnings Never use water to extinguish a machine on fire Burning fuel mus...

Page 9: ... instructions 6 This machine is for private use only not for any commercial applications It may not be used for any purposes other than described ASSEMBLY HANDLE Assembly auxiliary handle 1 Loosen the outer pre assembled screws on the handle 2 Place the handle onto the shaft from the top secure it with the retainer and the screws NOTE Pay attention to the screws and nuts Avoid loss ASSEMBLY SHAFT ...

Page 10: ...ratio for petrol oil is 40 1 6 Place the machine on a stable and level surface We recommend laying an inflammable sheet under the unit 7 Mix and store fuel only in an approved petrol container 8 Unscrew and remove the fuel tank cap 9 Add proper fuel Do not overfill Leave approximately 5mm of space to the lower edge for fuel expansion 10 Use proper a funnel with filter to avoid that debris can ente...

Page 11: ...otate for some time even after the engine has been switched off Wait until it comes to a complete stop before you place down the machine 1 Release throttle interlock and throttle trigger to return to idle before shutting off engine 2 Set ignition switch to STOP position to shut off engine ADJUST CUTTING ANGLE 1 The angle of gear head can be adjusted in 3 positions according to the performed work 2...

Page 12: ...ctor and let it cool down 8 Maintenance and repairs STORAGE 1 Store the machine and its accessories in a dark dry frost free wellventilated place 2 Always store the machine in a place that is inaccessible to children The ideal storage temperature is between 10 and 30 degree For best results cover the machine with a proper cloth or foil to protect it against dust 3 If you are not going to use the m...

Page 13: ...by pulling 3 Loosen the spark plug with the spark plug wrench and remove it 4 The colour of the electrode shall be light brown 5 Remove debris like oil with a brass brush Do not force the brush to avoid any damage 6 Dry the spark plug with a soft cloth if it is wet 7 Check the spark plug gap It should be 0 6 0 7mm 8 Replace with a new spark plug if you find damages like cracks or a splintered insu...

Page 14: ...ould stick out 150 mm on each side 9 Screw the bumper anti clockwise until it is completely and safely locked 9 Technical data Air cooled 2 stroke engine Displacement 26 cm3 Power 0 75 kW Idle speed of engine 3000 rpm Max speed of double string 12500 rpm Tank capacity 400 ml Cutting width 430 mm String thickness 2 0 mm Spark plug TORCH L8RTC CHAMPION RCJ6Y Weight empty tank 5 0 kg Sound pressure l...

Page 15: ...eed don t fit the terrain requirements Increase the engine speed Bad cutting performance The cutting means are not sharp enough Replace the cutting means The cutting means are not fitted correctly Fit the cutting means correctly Cutting height is wrong Adjust the cutting height The cutting trimming guard is clogged Clean the cutting trimming guard Excessive vibration noise or big smoke came out Th...

Page 16: ...6 42 EC R TTED 1999 5 EC 2000 14 EC_2005 88 EC 97 68 EC_2012 46 EC 95 54 EC 2006 95 EC 2002 95 EC_2005 618 EC 2014 30 EU GB hereby declares the following conformity under the EU Directive and standards for the following article Matrix GmbH Postauer Str 26 D 84109 Wörth Isar Germany Fax 49 0 8702 45338 98 E Mail info matrix direct net The technical documentation is kept by our authorized representa...

Page 17: ...servicing This also applies for failures to comply with the operating manual and the installation or spare and accessory parts that are not included in our range of products In the event of interference with of modifications to the appliance by unauthorised persons the warranty will be rendered void Damages that are attributable to improper handling over loading or natural wear and tear are exclud...

Page 18: ...18 Petrol grass trimmer STR 750 GB WARRANTY Purchased at in city street Name of customer Street address Postal code city Telephone Date signature Fault description ...

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