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Owner’s and Safety Manual
for Gasoline Chain Saws (pages 2 - 32)
Manuel d’emploi et de sécurité
de tronçonneuses thermiques (pages 33 - 63)
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 harm. Preserve this Manual carefully!
ATTENTION!
Suivez toujours les c
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EMISSIONS COMPONENT DEFECT WARRANTY COVERAGE DOLMAR warrant to the initial retail purchaser and each subsequent owner, that this utility equipment was designed, built, and equipped to conform at the time of initial sale to all applicable regulations of the U.S. Environmental Protection Agency (EPA), and that the engine is free of defects in materials and workmanship which would cause this engine to fail to conform with EPA regulations during its warranty period. For the components listed under P
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WARNING ! Careless or improper use of this product can cause serious or even fatal injury. Before operating a chain saw or other DOLMAR 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 avail
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Delivery inventory 1 23 1. Chain saw 5 2. Guide bar 4 3. Saw chain 4. Chain protection cover 5. Assembly tool In case one of the parts listed should not be included in the 6. Owner’s and Safety Manual (not shown) delivery inventory, please consult your sales agent. Symbols You will notice the following symbols on the chain saw and in the Owner’s and Safety Manual: Read Owner’s and Safety Caution, kickback! Manual and follow the warning- On/Off (I/O) switch and safety precautions! Chaine brake Pa
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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 sudde
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O max. CKA 45 Maximum Computed Kickback Angle General Safety Precautions (CKA)* without using the chain brake when using the recommended bar and chain The use of any chain saw may be hazardous. At full 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 O max. CKA 40 MaximumComputed Kickback Angle the following safety precautions and warnings. Read (CKA)* with using the chain brake when the own
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Proper clothing The saw Clothing must be sturdy and snug-fitting, but allow Parts of the chain saw: illustrations and description of complete freedom of movement. Avoid loose-fitting parts see page 17. jackets, scarfs, neckties, jewelry, flared or cuffed pants, or anything that could become entangled with the saw or brush. Wear overalls or jeans with a reinforced WARNING ! cutting resistant insert (fig. 3). Never modify a chain saw in any way. Only Protect your hands with gloves when handling sa
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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" of this manual. operation. If fuel or oil leakage is found, do not start or DOLMAR 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 wiped awa
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Wrap your fingers tightly around the handles, keeping Important adjustments the handles cradled between your thumb and forefin- ger (fig. 7). With your hands in this position, you can WARNING! best oppose and absorb the push, pull and kickback At correct idle speed, chain should not turn. For di- forces of your saw without having it slip out of your grip rections to adjust idle speed, see the appropriate (see section of reactive forces). Make sure your chain section of this instruction manual. s
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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). 10 11 Position the chain saw in such a way that your body is Kickback: clear of the cutting attachment whenever the engine Kickback occurs when the upper quadrant of the bar is running (fig. 10). nose contacts a solid object in the wood or is pinched (fig. 11). The reaction of the cutting force of the chain
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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). Kickback is most pronounced in the upper quadrant 13 of the bar nose. To avoid kickback DOLMAR chain types are designed to reduce kick- back forces
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Pushback: To avoid pull-in 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 when the t
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45° 1 2 2 First cut 45° Second cut = cutting down area 20 17 When felling, maintain a distance of at least 2 1/2 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 remove (fig. 20). Note: The noise of your engine may drown any warning call. Felling instructions: Direction of fall 21 18 First clear the tree base and work area from interfering Felling cut limbs and brush and clean its lo
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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 diameter more than twice the length Then cut horizontally through towards the felling notch. of the guide bar requires 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 23). Leav
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3 Bucking Bucking is cutting a log into sections. 2 1 29 WARNING! 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 WARNING! 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-hill side of
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Maintenance and Repair Never operate a chain saw that is damaged, improp- erly adjusted or not completely or securely assembled. 1. Relieving cut Follow the maintenance and repair instructions in the Pressure side appropriate section of this manual. Tension side 2. Cross cut WARNING ! Always stop the engine and make sure that the chain is stopped before commencing any mainte- 33 nance or repair work or cleaning the saw. Do not attempt any maintenance or repair work not de- scribed in this manual
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Denomination of components 3 2 6 1 7 8 13 12 11 9 10 4 15 14 16 17 20 21 5 Identification plate 26 (example for Type PS-401) DOLMAR PS-401 Model 16" (400mm) 0110 123456 25 18 24 23 19 22 Serial no. 528.092.056 412.040.661 DOLMAR GmbH, 22045 Hamburg, Germany 028.100. 231 Indicate when ordering spare parts! 14 Guide bar 1 Tubular handle 2 Choke 15 Chain 3 Filter cover 16 Hand guard (release for chain brake) 4 Insert for normal / winter operation 17 Starter grip 5 Tubular handle 18 Adjusting
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Technical data PS-340 PS-341 PS-400 PS-401 Single-cylinder two-stroke 3 3 3 3 Piston displacement 2.0 cu. in (33 cm ) 2.0 cu. in (33 cm ) 2.4 cu. in (39 cm ) 2.4 cu. in (39 cm ) Cylinder bore 1.45" (37 mm) 1.45" (37 mm) 1.57" (40 mm) 1.57" (40 mm) Piston stroke 1.22" (31 mm) 1.22" (31 mm) 1.22" (31 mm) 1.22" (31 mm) Max. power at speed 1.4/9,000 kW/rpm 1.4/9,000 kW/rpm 1.7/9,000 kW/rpm 1.7/9,000 kW/rpm Max. torque at speed 1.7/6,500 Nm/rpm 1.7/6,500 Nm/rpm 2.0/6,500 Nm/rpm 2.0/6,500 Nm/rpm Idlin
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PUTTING INTO OPERATION STOP Mounting the guide bar and saw chain Use the universal wrench delivered with the chain saw for CAUTION: Before doing any work on the guide bar or chain, the following work. always switch off the engine and pull the plug cap off the spark plug (see "Replacing the spark Put the chain saw on a stable surface and carry out the plug"). Always wear protective gloves! following steps for mounting the guide bar and chain: CAUTION: Start the chain saw only after having assem-
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4 13 G H NOTE: - Turn the chain tightener (C/6) to the right (clockwise) until the chain engages the guide groove of the bottom side If the chain brake on the dismounted sprocket guard is actu- of the bar (see circle). Press the guide bar against the ated by accident, it must be released again prior to reassembly: housing with your left hand. - Hold the sprocket guard (H/4) as shown (note direction of arrow) firmly with both hands and press the stop lever (H/13) against a hard surface (such as a
