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MCV51

www.maruyama.com

MCV51 CHAINSAW

Rear Handle

Instruction Manual

Original Instruction Manual

Important:

Read this instruction manual carefully before putting the chain saw into operation and strictly observe the

safety regulations!

Keep this instruction manual!

Содержание MCV51

Страница 1: ...HAINSAW Rear Handle Instruction Manual Original Instruction Manual Important Read this instruction manual carefully before putting the chain saw into operation and strictly observe the safety regulations Keep this instruction manual ...

Страница 2: ...MA chain saw We are confident that you will be satisfied with this modern piece of equipment Experience shows in every detail of every MARUY AMA chain saw TheMCV51isveryhandyandrobustchainsawswithanewDesign The automatic chain lubrication with variable flow oil pump and maintenance free electronic ignition ensure trouble free operation while the hand saving anti vibration system and er gonomic gri...

Страница 3: ... sales agent Symbols You will notice the following symbols on the saw and in the Instruction Manual Caution kickback Chain brake Fuel and oil mixture Normal Winter operation Grip heating Carburetor adjustment Chain oil fill oil pump Saw chain oil adjustment screw First aid Recycling CE Marking Read instruction manual and follow the warning and safety precautions Particular care and caution Forbidd...

Страница 4: ...y and carefully The user has to accept liability for others Never use the chain saw after having consumed alcohol drugs or medication A fire extinguisher must be available in the immediate vicinity when working in easily inflammable vegetation or when it has not rained for a long time danger of fire Protective equipment In order to avoid head eye hand or foot injuries as well as to protect your he...

Страница 5: ...ten ing of the chain the firm mounting of the sprocket guard the easy motion of the throttle lever and the function of the throttle lever lock the cleanliness and dryness of the handles and the function of the ON OFF switch Putthechainsawonlyintooperationifitiscompletelyassembled Never use the chain saw when it is not completely assembled Before starting the chain saw ensure that you have a safe f...

Страница 6: ... leaning too far over Guide the chain saw in such a way that no part of your body is within the elongated swivelling range of the saw 12 Use the chain saw for sawing wood only Avoid touching the ground with the chain saw while it is still running Never use the chain saw for lifting up or removing pieces of wood or other objects Remove foreign objects such as sand stones and nails found within the ...

Страница 7: ... away 17 Before cutting down the tree check the direction of fall and make sure that there are neither people nor objects within a distance of 2 1 2 tree lengths Judging the tree Direction of hanging loose or dry branches height of the tree natural overhang is the tree rotten Take into account the direction and speed of the wind If strong gusts are occurring do not do any felling Cutting the roots...

Страница 8: ...evel For this ensure the carburetor is adjusted correctly Regularly clean the chain saw Regularly check the tank cap for tightness Observe the accident prevention instructions issued by trade associations and insurance companies Do not perform any modifications on the chain saw You will put your safety at risk Perform only the maintenance and repair works described in the instruction manual All ot...

Страница 9: ... or ISO L EGD Chain brake engages manually or in case of kickback Sprocket pitch inch 325 or 3 8 Number of teeth Z 7 Chain type see the Extract from the spare parts list Pitch gauge inch 325 0 050 or 3 8 0 050 Guide bar length of a cut inch 16 18 20 Guide bar type see the Extract from the spare parts list Weight fuel tank empty without chain guide bar and accessories lbs kg 11 2 5 1 1 Figures deri...

Страница 10: ...ivered with the chain saw for the following work Put the chain saw on a stable surface and carry out the following steps for mounting the guide bar and saw chain Release the chain brake by pulling the hand guard 1 in direc tion of arrow Unscrew retaining nuts 2 Pull off the sprocket guard 3 PUTTING INTO OPERATION CAUTION Before doing any work on the guide bar or chain always switch off the engine ...

Страница 11: ...ong the top of the chain must point in the direction of the arrow Tightening the saw chain Turn the chain tensioning screw 4 to the right clockwise until the saw chain catches in the groove on the lower side of the guide bar see circle Slightly lift the end of the guide bar and turn the chain adjusting screw 4 to the right clockwise until the chain rests against the bottom side of the guide bar Wh...

Страница 12: ...ncy IMPORTANT NEVER run the saw with the chain brake acti vated except for testing see Testing chain brake Doing so can very quickly cause extensive engine damage ALWAYS release the chain brake before starting the work Checking the chain tension The tension of the chain is correct if the chain rests against the bottom side of the guide bar and can still be easily turned by hand While doing so the ...

Страница 13: ... two stroke engine oil is not available it is urgently recommended to use a mixture ratio of 50 1 with other two stroke engine oils as otherwise optimum operation of the engine cannot be guaranteed Caution Do not use ready mixed fuel from petrol stations The correct mixture ratio 50 1 when using MARUYAMA high performance two stroke engine oil i e mix 50 parts gasoline with 1 part oil 50 1 when usi...

Страница 14: ...able oil from the oil tank oil feed system chain and guide bar as many such oils tend to leave sticky residues over time which can cause damage to the oil pump or other parts Thenexttimeyouusethesaw fillthetankwithchainoilagain Incaseofdamagecausedbyusingwasteoilorunappropriate chain oil the product guarantee will be null and void Your salesman will inform you about the use of chain oil chain oil ...

Страница 15: ...does not constitute a defect Place the saw on a suitable surface To ensure troublefree operation of the oil pump the oil guide groove at the crank case 2 and the oil inlet bore in the guide bar 3 must be cleaned regularly Note After the saw has been turned off it is normal for residual chain oil to drip from the oil feed system the guide bar and the chain for a time This does not constitute a defe...

Страница 16: ...the middle ON position This is only to engage the half throttle lock If the engine doesn t start after 2 or 3 pulls repeat the entire starting procedure as described for cold starting Stopping the engine Depress the combination switch 1 NOTE After being pressed down the combination switch will reverttotheONpositionagain Theengineisswitchedoff butcan be turned on again without moving the combinatio...

Страница 17: ...onscreen whichpreventssnowfromgetting in It is available as an accessory part no 957 173 250 Symbol on top when inserted Normal operation Symbol on top when inserted Winter operation D T h e P O W E R i n O u t d o o r P o w e r Checking the chain brake The chain brake must be checked before every use of the saw Start the engine as described above have a secure footing place the chain saw on the g...

Страница 18: ...ssembly and testing of the saw Idle speed adjustment must only be undertaken when the engine is warm with a clean air filter and properly in stalled guide bar and chain Use a screwdriver 4 mm blade for idle adjustments Adjusting the idle speed Turn adjusting screw S counter clockwise unscrew Idle speed decreases Turn adjusting screw S clockwise screw in Idle speed increases Important If the saw ch...

Страница 19: ... left or right when sawing This is caused by uneven sharpening of the chain Important Sharpen frequently but without removing too much metal Generally 2 or 3 strokes of the file will be enough Have the chain resharpened at a service centre when you have already sharpened it yourself several times Proper sharpening CAUTION Use only chains and guide bars designed for this saw see the Extract from th...

Страница 20: ...tter is then the standerd for all other cutters of the chain New saw teeth must be filed to the exact same shape as the used teeth including on their running surfaces File depending on chain type 90 or 10 to the guide bar A file holder makes file guidance easier It is marked for the correct sharpening angle of α 25 α 30 α 35 keepthemarksparallelwiththechainwhenfiling seeillustration and limits the...

Страница 21: ...lockwise until pin 3 of the chain tensioner is underneath the threaded pin 4 Remove the chain 5 and guide bar 6 NOTE Make sure there are no residues or foreign matter remaining in the oil guide groove 7 or on the chain tensioner 3 For replacing the guide bar chain and sprocket see PUTTING INTO OPERATION NOTE The chain brake is a very important safety device and like any other component subject to ...

Страница 22: ...eplace ment To distribute the chain oil evenly run a new chain at half throttle for a few minutes before use New chains stretch so check the chain tension frequently see Checking the chain tension Likewise replace the clutch drum at every second chain sproc ket replacement Instructions for changing the chain type Always wear protective gloves Before using a 3 8 saw chain be sure to first cut out t...

Страница 23: ...e washed in lukewarm water with regular dishwashing detergent Note that the fleece filter does not need to be cleaned until there is a noticeable loss of power If cleaning the filter does not bring an improvement in performance it is time to replace it Cleaning the nylon filter Use a soft brush or blow out dirt from the inside with compressed air If the filter is very dirty it can be washed in luk...

Страница 24: ... the spark plug cap firmly seated use insulated pliers to hold the spark plug 8 against the cylinder not the spark plug hole Put combination switch 9 in the ON position Pull the starter cable hard If the function is correct an ignition spark must be visible near the electrodes 8 9 7 0 5 mm 11 10 12 B C D Replacing the spark plug CAUTION Do not touch the spark plug or plug cap if the engine is runn...

Страница 25: ...e drum Repeat the procedure once The starter grip should now stand straight up on the fan housing NOTE With the cable pulled all the way out it must still be possible to turn the pulley another 1 4 turn against the return spring CAUTION Danger of injury Secure the cable grip when pulled out It will whip back if the cable pulley is released by accident Replacing the return spring pack Disassemble t...

Страница 26: ...ow be brushed clean or cleaned with compressed air With the cyinder fin cleaner clean out the area between the cylinder fins and between the cylinder and the mounting pla te Do not use force Be careful not to damage the short circuit wire and the ignition wire 15 C Replacing the suction head The felt filter 15 of the suction head can become clogged It is recommended to replace the suction head onc...

Страница 27: ...ion 12 Guide bar Check for damage Chain lubrication Functional check 15 Chain brake Functional check 17 Combination switch Safety locking button Throttle lever Functional check 17 Fuel oil tank cap Check for tightness Every day Air filter Clean several times daily if necessary 23 Guide bar Check for damage clean oil intake bore 21 Guide bar support Clean in particular the oil guide groove 15 21 Id...

Страница 28: ... original MARUYAMA spare parts are used this will automatically invalidate the MARUYAMA product guarantee Guarantee MARUYAMAguarantees the highest quality and will therefore reimburse all costs for repair by replacement of damaged parts resulting from material or production faults occurring within the guarantee period after purchase Please note that in some countries particular guarantee condition...

Страница 29: ...or piston rings defective Outside Spark plug does not seal Mechanical Starter does not engage Spring in starter broken broken parts malfunction inside the engine Warm start difficulties Carburetor Fuel tank is filled Wrong carburetor adjustment Ignition spark Engine starts but Fuel supply Fuel tank is filled Wrong idling adjustment suction head or dies immediately carburetor dirty Tank venting def...

Страница 30: ...30 Extract from the spare parts list Use only original MARUYAMA parts For repairs and replacement of other parts see your MARUYAMA service centre MCV51 ...

Страница 31: ...31 Extract from the spare parts list Use only original MARUYAMA parts For repairs and replacement of other parts see your MARUYAMA service centre MCV51 ...

Страница 32: ... 995 705 190 ENGLISH TEXT 2012 2013 MARUYAMA Specifications subject to change without notice Find your Maruyama Representative at www maruyama com MARUYAMA US INC 4770 Mercantile Dr 100 Fort Worth TX 76137 ...

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