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Periodic service points

 

 

1. 

Cylinder fins

 

Dust clogging between the cylinder fins will cause the engine to overheat. 

Periodically check and clean the cylinder fins after removing the air filter 

and cylinder cover. When installing the cylinder cap, make sure the 

switch wires and grommets are properly in place. 
 

2. 

Fuel filter

 

(a) 

Using a wire hook, pull the filter out of the fill 

hole. 

(b) 

Remove the filter and wash it with gasoline, or 

replace it with a new one if necessary. 

(c) 

After removing the filter, use a pliers to hold 

the end of the suction tube. 

 

3. 

Spark plug 

Clean the electrodes with a wire brush and readjust the gap to 0.6mm - 

0.7mm as necessary.  

 

Spark plug type 

 NGK BPMR7A 

 
 
 

 

4. 

Pinion

Check for cracks and if excessive wear interferes with chain drive. If the wear 

is advanced, contact your dealer or the importer manufacturer's maintenance 

to replace it. Never put a new chain on a worn sprocket, or a worn chain on a 

new sprocket. 

1.  Ring E 

2.  Washer 

3.  Needle bearing  

4.  Clutch drum 

 

5. Front and rear shock absorber spring

 

 

Replace if spring is deformed 

 

 

Use only the replacement parts indicated in this manual. Using the other 

replacement part can cause serious injury. 

Summary of Contents for MG246

Page 1: ...Instructions and user manual MG246 MG252 Millasur SL R a Eduardo Pondal n 23 Pol Ind Sig eiro 15688 Oroso A Coru a 981 696465 www millasur com...

Page 2: ...e and maintenance Take this manual with you when you go to work with the machine Contents are correct at time of printing The rights to make alterations are reserved at any time without affecting our...

Page 3: ...d cutter bar installation 5 Fuel and chain oil 6 Operation 7 Cut with the chainsaw 8 Maintenance 9 Maintenance of the saw chain and guide bar 10 Storage 11 Waste disposal and environmental protection...

Page 4: ...g chains and bar combinations may be used as mentioned in the operating instructions for the indicated machine only People who operate the machine should be trained and familiar with this product and...

Page 5: ...f the cutting tool The grab handles are mounted back on the optional vibration handles and are attached to the body of the machine If you notice an unpleasant sensation or discoloration of the skin on...

Page 6: ...1 CONTENTS OF THE BOX 1 Motor unit 2 Sword guard 3 Guide bar 4 Cutting chain 5 Spark plug wrench 6 Carburetor adjustment screwdriver 1 2 3 4 5 6...

Page 7: ...ead the operator s instruction book before operating this machine 7 Always wear anti vibration and anti cut safety gloves when using this device 8 Always wear slip resistant boots when operating the m...

Page 8: ...osition Bottom of the rear handle f The screw under the H seal is the high speed mix adjusting screw The screw under the L is the low speed adjusting screw The screw on the T is the idle adjustment sc...

Page 9: ...ommended as the minimal exposure that could cause illness is unknown Keep your body warm especially your head neck feet ankles hands and wrists Maintain good blood circulation by doing vigorous arm ex...

Page 10: ...s Manual must be performed by the manufacturer or importer maintenance center for example if improper tools are used to remove the flywheel or if the an improper tool to hold the flywheel to remove th...

Page 11: ...s 1 With a basic understanding of rebound you can reduce or eliminate the element of surprise Sudden surprise contributes to accidents 2 Maintain a good grip on the saw with both hands the right hand...

Page 12: ...the clutch cover 3 Mount the cutting bar on the machine while inserting the chain tensioner nut into the hole below the guide bar Engage the chain to the sprocket and while adjusting the chain around...

Page 13: ...40 OIL 1 These engines are certified to run on unleaded gasoline Gasoline is highly flammable Do not smoke or bring flames or sparks near fuel 1 GASOLINE WITHOUT OIL RAW GASOLINE Causes severe damage...

Page 14: ...he closed position automatically you must press the decompression valve button before each start 6 Push the front handle guard down to activate the chain brake 7 While holding the chainsaw securely on...

Page 15: ...ate Shaft Clockwise Rich Flow Rotate shaft counter clockwise Poor flow The oil tank should be almost empty by the time the fuel is used up Be sure to refill the oil tank each time you reload the saw C...

Page 16: ...Idle adjusting screw L Low speed needle H High speed needle CHAIN BRAKE The chain brake is a device that stops the chain instantly if the chain saw backs up due to kickback Normally the brake is acti...

Page 17: ...only be used to cut wood Cutting other types of material is prohibited Vibrations and kickback vary with different materials and the requirements of safety regulations will not be respected Do not us...

Page 18: ...Cutting down a tree 1 Decide the direction of felling taking into account the wind support of the tree the location of heavy branches ease of work after felling and other factors A Felling cut B Notch...

Page 19: ...e spike bumper should always be put on while using the chainsaw on the tree trunk Push the spiked bumper into the trunk using the rear handle Push the front handle in the direction of the cutting line...

Page 20: ...f the filter against a hard surface To clean the dirt on the screens divide the filter in half and brush with gasoline When using compressed air blow from the inside To assemble the filter halves pres...

Page 21: ...ving the filter use a pliers to hold the end of the suction tube 3 Spark plug Clean the electrodes with a wire brush and readjust the gap to 0 6mm 0 7mm as necessary Spark plug type NGK BPMR7A 4 Pinio...

Page 22: ...OF THE CHAIN AND GUIDE BAR Use a round file of the correct size for your chain Check the size and type of chain and have a file that fits these measurements for a good sharpening Place your file on t...

Page 23: ...uide bar Reverse the bar occasionally to avoid partial and unbalanced wear of the chain and bar The bar rail should always be square Check the bar rail for wear Apply a ruler to the bar and to the out...

Page 24: ...may cause serious damage and injury to the user or third parties 10 STORAGE 1 Drain the fuel tank 2 Drain the oil tank 3 Clean and maintain the entire unit 4 Store the unit in a dry place out of the...

Page 25: ...al administration 12 WARRANTY For this gasoline tool the company provides the end user regardless of the obligations of the retailer resulting from the purchase contract with the following guarantees...

Page 26: ...plug spark Replace with appropriate fuel Remove and remove the spark plug wire Then pull the starter again without primer Replace with a new one 2 Lack of force poor acceleration uneven idle Check th...

Page 27: ...stem 10300 min 1 Maximum chain speed 21 m s 21 m s Ignition system Electric coil Spark plug BOSCH L8RTF CHAMPION RCJ7Y Oil feeding system Mechanical oil pump with adjustment Pinion Teeth x Tilt 6T 9 5...

Page 28: ...this document complies with the relevant and fundamental requirements in health and safety of the aforementioned CE directives This declaration validates the product to display the CE symbol In the e...

Page 29: ...omplies with the relevant and fundamental requirements in health and safety of the aforementioned CE directives This declaration validates the product to display the CE symbol In the event that the ma...

Page 30: ...16 PARTS...

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