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Owner’s and Safety Manual
for Gasoline Chain Saws (page 2 - 37)
Manuel d’emploi et de securite
de troncjonneuses thermiques (page 38 - 73)
DCS 6400 / DCS 6401
DCS 7300 / DCS 7301
DCS 7900 / DCS 7901
WARNING!
Read and understand this Manual. Always follow safety precautions in the Owner’s and Safety Manual.
Improper use can cause serious injury!
The engine exhaust from this product contains chemicals known to the State of California to cause
cancer, birth defects or other reproductive
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WARNING I Careless or improper use of this product can cause serious or even fatal injury. Before operating a chain saw or other MAKITA products it is important that you read, fully understand and carefully follow the instructions outlined in this owners manual. Kickback may cause severe or fatal injury and is one of many potential dangers in operating a chain saw. Kickback and other safety related precautions are described in detail within this owners manual. Additional owners manuals are
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Delivery inventory 1 Chainsaw 2 Guide bar 3 Sawchain 5 6 7 I 4 Chain protection cover 5 Universal wrench 6 Wrench 7 Screw driver for carburetor adjustment In case one of the parts listed should not be included in the delivery inventory, please consult your sales agent. 8 Owner’s and Safety Manuwnot shown) Symbols You will notice the following symbols on the chain saw and in the Owner’s and Safety Manual: Read instruction manual Caution, kickback! and follow the warning- and safety
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Safety precautions for chain saw operators Additional safety precautions While operating the chain saw please observe the The following additional safety precautions should be following rules: observed by all users of chain saws: a) Contact of the guide bar nose with any object 1. Do not operate a chain saw when you are fatigued. should be avoided. 2. Use safety footwear; snug-fitting clothing; b) Tip contact may cause the guide bar to move protective gloves; and eye, hearing, and head
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max.cm4p Maximum Computed Kickback Angle General Safety Precautions (CKA)* without using the chain brake when 1 using the recommended bar and chain The use of any chain saw may be hazardous. At full H combinations (In this example the CKA is 45"). throttle chain speed can reach 45 mph (20 m/s). It is important that you read; fully understand and observe max. cw4w Maxim u m Com pu ted Kickback Angle the following safety precautions and warnings. Read (CKA)* with using the chain brake wh
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The saw Proper clothing Parts of the chain saw: illustrations and description of Clothing must be sturdy and snug-fitting, but allow parts see page 16. complete freedom of movement. Avoid loose-fitting jackets, scarfs, neckties, jewelry, flared or cuffed pants, or anything that could become entangled with the saw WARNING ! or brush. Wear overalls or jeans with a reinforced cutting resistant insert (fig. 3). Never modify a chain saw in any way. Only attachments supplied by MAKITA or e
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Wipe off any spilled fuel before starting your saw and Chain saw operating instructions check for leakage. For assembly follow the procedure in the appropriate Check for fuel leakage while refueling and during section"Mounting Guide Bar and Chain'lofthis manual. operation. If fuel or oil leakage is found, do not start or MAKITA chain, guide bar and sprocket must match run the engine until leak is fixed and spilled fuel has each other (see the appropriate section in this manual). been w
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Wrap your fingers tightly around the handles, keeping Important adjust men t s the handles cradled between your thumb and forefinger (fig. 7). With your hands in this position, you can best WARN I NG ! oppose and absorb the push, pull and kickback forces At correct idle speed, chain should not turn. For di- of your saw without having it slip out of your grip (see rections to adjust idle speed, see the appropriate section of reactive forces). Make sure your chain saw section of this ins
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9 In order to keep control of your saw, always maintain a firm foothold. Never work on a ladder, in a tree or on any other insecure support. Never use the saw above shoulder height (fig. 9). Position the chain saw in such a way that your body is Kickback: clear of the cutting attachment whenever the engine is Kickback occurs when the upper quadrant of the bal running (fig. 10). nose contacts a solid object in the wood or is pinched (fig. 11). The reaction of the cutting force of the c
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Many factors influence the occurence and force of the kickback reaction. The type of bar and saw chain you use is a factor in the force of the kickback reaction. The speed of contact at which the cutter contacts the object. Kickback force increase with the rate of impact. The contact angle between the nose of the bar and the foreign object (fig. 11). I 113 Kickback is most pronounced in the upper quadrant I 13 of the bar nose. To avoid kickback MAKITA chain types are designed to red
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To avoid pull-in Pushback: Pushback occurs when the chain on the top of the bar 1. Always start a cut with the chain rotating at full is suddenly stopped when it is pinched, caught or speed and the spike bar in contact with the wood. encounters a foreign object in the wood. The reaction of the chain drives the saw straight back toward the 2. Pull-in may also be prevented by using plastic operator causing loss of saw control. Pushback fre- wedges to open the kerf or cut. quently occurs wh
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--_ 45" +, , . * * . . . , \ 2 Y2 1 I I \ , \ . . First -_ ---____ __-- cut I I i = cutting down area - - - - "'A I 20 17 When felling, maintain a distance of at least 2 112 tree If the tree has large buttress roots, cut into the largest lengths from the nearest person (see fig. 17). buttresses vertically first (horizontally next) and re- move (fig. 20). Note: The noise of your engine may drown any warning call. Felling instructions: ~ 18 First clear the tree ba
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Begin the felling cut slighty higher than the felling Plunge-Cut Method notch and on the opposite side of the tree (fig. 22). Timber having a diamet more than twice the length Then cut horizontally through towards the felling notch. of the guide bar reauires the use of the plunge-cut Apply the chain saw with its spikes directly behind the method before making the felling cut. uncut portion of wood and cut toward the notch (fig. First, cut a large, wide notch. Make a plunge cut in the 2
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Bucking I Bucking is cutting a log into sections. 29 WARNING! 31 31 There is an extreme danger of kickback at this point. Extra caution must be taken to maintain control of the saw. To make the felling cut, follow WARN I NG! the sectioning method described previously (fig. 1. When bucking, do not stand on the log. Make 29). If you are inexperienced with a chain saw sure the log will not roll down-hill. If on a slope, plunge-cutting should not be attempted. Seek the stand on the up
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Maintenance and Repair Never operate a chain saw that is damaged, improp- erly adjusted or not completely or securely assembled. Follow the maintenance and repair instructions in the appropriate section of this manual. WARNING ! Always stop the engine and make sure that the chain is stopped before commencing any mainte- nance or repair work or cleaning the saw. Do not attempt any maintenance or repair work not de- scribed in this manual. Have such work performed by your MAKITA service
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Denomination of components 12 Identification plate :rial no. Year of mal nufacture ,20 22 21 Indicate when ordering spare parts! 14 Starter grip 1 Handle 15 Adjusting screws "S-L-H" for carburetor 2 Filter cover 16 IISTOP-switch 3 Filter hood clip 17 Choke lever 4 Tubular handle 18 Throttle lever 5 Hand guard (release for chain brake) 19 Safety locking button 6 Muffler with spark arrester screen 20 Handguard 7 Spike bar (toothed stop for holding saw steady against wood) 21
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Technical data Guide-bar type (see the Extract from the spare-parts list) I Weight (fuel tank empty, without chain and guide bar) Ibs 13.9 13.9 I I 13.9 ') For models without starting valve WARNING: This chain saw is capable of severe kickback that coult result in serious injury to the user. Do not operate this chain saw unless you have extraordinary cuffing needs and experience and specialized training for dealing with kickback. Chain saws with significantly reduced kickback potential
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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 gloves1 CAUTION: Start the chain saw only after having assembled it com- pletely and inspected. Mounting the guide bar and saw chain Use the universal wrench delivered with the chain saw for the following work. Put the chain saw on a stable surface and carry out the following
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Pull the chain (6) around the sprocket nose (8) of the guide bar in the direction of the arrow. Guide the chain over the chain catch (9). Pull the guide bar as shown by the arrow to take the slack out of the chain, so that it comes up to the bottom edge of the guide bar (10). Line up the holes in the sprocket guard (3) with the bolts (11). Turn the chain tensioning screw (HI1 3) until the chain tensioning bolt (12) is aligned with the hole in the guide bar. Replace the sprocket guard.
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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 chain brake must be released. Check the chain tension frequently - new chains tend to get longer during use! When checking the chain tension the engine must be switched aff, NOTE: It is recommended to use 2-3 chains alternatively. In order to guarantee uniform wear of the guide bar the bar should be turne
