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Related Manuals for Maruyama MCV51
Summary of Contents for Maruyama MCV51
- Page 1 Instruction Manual Original Instruction Manual MCV51 CHAINSAW Rear Handle Important: Read this instruction manual carefully before putting the chain saw into operation and strictly observe the safety regulations! Keep this instruction manual! MCV51 www.maruyama.com...
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Page 2: Table Of Contents
Experience shows in every detail of every MARUY- Symbols ................3 AMA chain saw. SAFETY PRECAUTIONS The MCV51 is very handy and robust chain saws with a new Design. General precautions ............4 The automatic chain lubrication with variable‑flow oil pump Protective equipment ............4 and maintenance-free electronic ignition ensure trouble-free Fuels / Refuelling ............ -
Page 3: Delivery Inventory
Delivery inventory Model codes H = Saw with grip heating C = Saw with catalytic converter 1. Chain saw 2. Guide bar 3. Saw chain 4. Chain protection cover 5. Universal wrench 6. Offset screwdriver 7. Screwdriver for carburetor adjustment 8. Cylinder fin cleaner In case one of the parts listed should not be included in the 9. -
Page 4: Safety Precautions
SAFETY PRECAUTIONS Intended use Power chain saws Protective gloves (6) made of thick leather are part of the This power chain saw may be used only for sawing wood out of doors. It is intended for the followung uses depending on its prescribed equipment and must always be worn during class: operation of the chain saw. -
Page 5: Fuels / Refuelling
Fuels / Refuelling Stop the engine before refuelling the chain saw. ‑ Do not smoke or work near open fires (5). Let the engine cool down before refuelling. Fuels can contain substances similar to solvents. Eyes and skin should not come in contact with mineral oil products. Always wear protective gloves when refuelling. -
Page 6: Kickback
Kickback - When working with the chain saw dangerous kickbacks may occur. Kickback occurs when the upper part of the end of the guide bar inadvertently touches wood or other hard objects (10). This causes the saw to be thrown back toward the user with great force and out of control. - Page 7 Be careful when cutting splintery wood. Cut pieces of wood may be pulled along (risk of injuries). When cutting with the upper edge of the guide bar, the chain saw may be pushed in the direction of the user if the chain gets clamped.
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Page 8: Transport And Storage
All other work must be carried out by MARUYAMA Service. Use only original MARUYAMA spare parts and accessories. Using spare parts other than original MARUYAMA parts or accesories and guide bar/chain combinations or lengths which are not approved bring a high risk of accidents. We cannot... -
Page 9: Technical Data
15.9 Chain oil tank capacity fl oz Mixture ratio (fuel/two-stroke oil) - when using MARUYAMA High Performance oil 50:1 - when using other synthetic oils 50:1 (oil quality must be JASO FD or ISO-L-EGD) Chain brake engages manually or in case of kickback... -
Page 10: Putting Into Operation
PUTTING INTO OPERATION CAUTION: Before doing any work on the guide bar or chain, always switch off the engine and pull the plug cap off the spark plug (see „Replacing the spark plug“). Always wear protec- tive gloves! CAUTION: Start the chain saw only after having assembled it com- pletely and inspected. -
Page 11: Tightening The Saw Chain
Lift the chain (9) over the sprocket (8). CAUTION: Do not insert the chain between the chain sprocket and the disc. Guide the chain from above about halfway into the groove (10) on the guide bar. Place the chain over the chain catch (11) on the bottom. CAUTION: Note that the cutting edges along the top of the chain must point in the direction of the arrow! -
Page 12: Checking The Chain Tension
While keeping the tip of the guide bar raised, tighten the nuts (2) again with the universal wrench. Chain brake The MCV51 comes with an inertia chain brake as standard equipment. If kickback occurs due to contact of the guide-bar tip with wood (see SAFETY PRECAUTIONS, page 6), the chain brake will stop the chain through inertia if the kickback is sufficiently strong. -
Page 13: Fuels
The engine has been designed for higher production of combus-tion residues which use of MARUYAMA high-performance two-stroke engine oil and will pollute the environment and clog the exhaust a mixture ratio of only 50:1 to protect the environment. In addi- channel in the cylinder as well as the muffler. In... -
Page 14: Refuelling
Important note on bio-degradable chain oils If you are not planning to use the saw again for an ex- The next time you use the saw, fill the tank with chain oil again. tended period of time, empty the oil tank and put in a In case of damage caused by using waste oil or unappropriate small amount of regular engine oil (SAE 30), and then chain oil the product guarantee will be null and void. -
Page 15: Checking The Chain Lubrication
Checking the chain lubrication Never work with the chain saw withoute sufficient chain lubri ‑ ca tion. Otherwise the service life of the chain and guide bar will be reduced. Before starting work check the oil level in the tank and the oil feed. Check the oil feed rate as described below: Start the chain saw (see „Starting the engine”). -
Page 16: Starting The Engine
Starting the engine Do not start the chain saw until after it is completely as- sembled and checked! Move at least 3 meters / 10 feet away from the place where the chain saw was fuelled. Make sure you have a secure footing, and place the saw on the ground in such a way that the guide bar and chain are not near anything. -
Page 17: Working In Winter
Caution: If the chain does not stop immediately in this test, turn off the engine immediately. Do NOT use the chain saw in this condition! Contact a MARUYAMA service centre. Working in winter In order to prevent carburetor icing in conditions of low tempe- rature combined with high humidity, and below + 5°C in order... -
Page 18: Adjusting The Carburetor
Turn adjusting screw (S) clockwise (screw in): Idle speed increases. Important: If the saw chain still moves during idle even after you have adjusted the idle speed, do NOT use the saw. Take it to a MARUYAMA service centre! -
Page 19: Maintenance Sharpening The Saw Chain
MAINTENANCE Sharpening the saw chain CAUTION: Before doing any work on the guide bar or chain, always switch off the engine and pull the plug cap off the spark plug (see „Replacing the spark plug“). Always wear protective gloves! The chain needs sharpening when: The sawdust produced when sawing damp wood looks like wood flour. - Page 20 Files and how to work with them Use a special saw chain round file for sharpening. Standard round files are unsuitable. For the order number, see “Accessories”. Type 086, 484, 686: File the first cutter half with a 4,8 mm dia. round saw‑chain file, then switch to a 4.5 mm dia. file. Type 093, 099: File the first cutter half with a 5,5 mm dia. round saw‑chain file, then switch to a 4.5 mm dia. file. The file should cut only when pushed forwards (arrow). Lift the file when leading it backwards. First sharpen the shortest cutter. The length of this cutter 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.
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Page 21: Cleaning The Brake Band And Sprocket Interior
The chain brake is a very important safety device and like any other component subject to normal wear and tear. Regular inspection and maintenance are important for your own safety and must be done by a MARUYAMA service centre. SERVICE Cleaning the guide bar CAUTION: Protective gloves must be worn. -
Page 22: Replacing The Saw Chain
Replacing the saw chain CAUTION: Use only chains and guide bars designed for this saw (see the Extract from the spare-parts list)! When changing chain types, always make sure to use the right sprocket (12). It may be necessary to change the sprocket. -
Page 23: Cleaning The Air Filter
Cleaning the air filter CAUTION: To prevent eye injury, always wear eye protection when cleaning the filter with compressed air! Do not use fuel to clean the air filter. Disengage the cover clasp (1) with the universal wrench and take off the cover (2). Push up the combination switch (3) (Choke position) to prevent dirt particles from falling into the carburetor. Unhook the clasp (4) in the direction of the arrow with a finger or the universal wrench. -
Page 24: Replacing The Spark Plug
Replacing the spark plug CAUTION: Do not touch the spark plug or plug cap if the engine is running (high voltage). Switch off the engine before starting any maintenance work. A hot engine can cause burns. Wear protective gloves! The spark plug must be replaced in case of damage to the insulator, electrode erosion (burn) or if the electrodes are very dirty or oily. -
Page 25: Replacing The Starter Cable/ Replacing The Return
Replacing the starter cable/ Replacing the return spring pack/Replacing the starter spring Unscrew four screws (1). Remove fan housing (2). Remove the air guide (3) from the fan housing. CAREFUL! Injury hazard! Do not unscrew screw (7) if the return spring is under tension. If the starter cable is to be replaced although it is not broken, it will be necessary to first de‑tension the cable drum return spring (13). -
Page 26: Cleaning The Cylinder Area
Cleaning the cylinder area After prolonged use, dirt and sawdust can build up on the cylin- der and cause the engine to overheat. The cylinder fin cleaner helps remove deposits between the cylinder fins and between the cylinder and the mounting plate. Remove cover. Remove the fan housing. CAUTION: To prevent eye injury, always wear eye protection when cleaning the filter with compressed air! The entire area (14) can now be brushed clean or cleaned with compressed air. -
Page 27: Instructions For Periodic Maintenance
The user of the chain saw must not perform maintenance work which is not described in the instruction manual. All such work must be carried out by a MARUYAMA service centre. Page General Chain saw Clean exterior, check for damage. -
Page 28: Service, Spare Parts And Guarantee
Original spare parts and accessories can be obtained from your local dealer. He will also have the spare part lists to determine the required spare part numbers, and will be constantly informed about the latest improvements and spare part innovations. To find your local distributor, please visit www.maruyama.com. Please bear in mind that if parts other than original MARUYAMA spare parts are used, this will automatically invalidate the MARUYAMA product guarantee. Guarantee MARUYAMA guarantees 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. -
Page 29: Trouble Shooting
Trouble shooting Malfunction System Observation Cause Chain does not run Chain brake Engine runs Chain brake actuated. Engine does not start or Ignition system Ignition spark Malfunction in fuel supply system, com- only with difficulty pression system, mechanical malfunction. No ignition spark Switch on STOP, fault or short-circuit in the wiring, plug cap or spark plug defective. -
Page 30: Extract From Spare Parts List
Extract from the spare parts list MCV51 Use only original MARUYAMA parts. For repairs and replacement of other parts, see your MARUYAMA service centre. - Page 31 Extract from the spare parts list MCV51 Use only original MARUYAMA parts. For repairs and replacement of other parts, see your MARUYAMA service centre.
- Page 32 MARUYAMA US, INC. 4770 Mercantile Dr. #100 Fort Worth, TX 76137 www.maruyama.com Find your Maruyama Representative at: Specifications subject to change without notice Form: 995 705 190 - ENGLISH TEXT (2012-2013 MARUYAMA)
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