Page 2 - Intended use
Contents Introduction..................................................................... 2Safety..............................................................................4Assembly........................................................................ 9Operation...................................
Page 4 - Safety; Safety definitions; Work area safety
Note: Other symbols/decals on the product refer to certification requirements for some markets. Safety Safety definitions The definitions below give the level of severity for each signal word. WARNING: Injury to persons. CAUTION: Damage to the product. Note: This information makes the product easier...
Page 6 - Causes and operator prevention of kickback; Personal protective equipment
• Follow all instructions when clearing jammed material, storing or servicing the chain saw. Make sure the switch is off and the plug is removed. Unexpected actuation of the chain saw while clearing jammed material or servicing may result in serious personal injury. Causes and operator prevention of...
Page 7 - Chain brake and front hand guard
Chain brake and front hand guard Your product has a chain brake that stops the saw chain if you get a kickback. The chain brake decreases the risk of accidents but only you can prevent them. WARNING: Do not engage in situations where there is a risk of kickback. Be careful when you use your product ...
Page 8 - Safety instructions for the cutting
brake. If a kickback occurs when you use the product, hold tightly around the handles and do not let go. The front hand guard also decreases the risk to touch the saw chain if your hand lets go of the front handle. In the felling position you cannot engage the chain brake manually. The chain brake c...
Page 9 - Assembly; To assemble the guide bar and saw
• Keep the correct depth gauge setting. Obey the instructions and use the recommended depth gauge setting. Too large depth gauge setting increases the risk of kickback. • Make sure that the saw chain has the correct tension. If the saw chain is not tight against the guide bar, the saw chain can dera...
Page 10 - Operation; Introduction
4. Make sure that the edges of the cutting links are turned forward on the top edge of the guide bar. 5. Make sure that the edges of the cutting links face forward on the top edge of the guide bar. 6. Assemble the drive sprocket cover and steer the chain adjuster pin to the hole in the guide bar. 7....
Page 11 - Kickback information; Common questions about kickback; To start the product
Note: To see where the chain oil tank is on you product, refer to Product overview on page 2. Kickback information WARNING: A kickback can cause serious injury or death to the operator or others. To decrease the risk you must know the causes of kickback and how to prevent them. A kickback occurs whe...
Page 14 - To use the tree felling technique
WARNING: There is a high accident risk when you use the limbing technique. Refer to Kickback information on page 11 for instructions how to prevent kickback. WARNING: Cut limbs one by one. Be careful when you remove small limbs and do not cut bushes or many small limbs at the same time. Small limbs ...
Page 16 - To fell a tree
1 2 2 1 3 To fell a tree Husqvarna recommends you to make the directional cuts and then use the safe corner method when you fell a tree. The safe corner method helps you to make a correct felling hinge and control the felling direction. WARNING: Do not fell trees with a diameter that is more than tw...
Page 18 - Maintenance
2. Figure out where the point of maximum tension is. 3. Examine which is the safest procedure to release the tension. Note: In some situations the only safe procedure is to use a winch and not your product. 4. Keep a position where the tree or branch can not hit you when the tension is released. 5. ...
Page 19 - To do a check of the front hand guard
Maintenance Before use Weekly Monthly Clean the chain brake and make sure that it operates safely. Make sure that the chain catcher is not damaged. Replace it if necessary. X Turn the guide bar for more equal wear. Make sure that the lubrication hole in the guide bar is not clogged. Clean the bar gr...
Page 20 - To clean the cooling system; Information about the guide bar and saw chain
2. Wrap your fingers and thumbs around the handles and hold the product tight. 3. Apply full power and tilt your left wrist against the front hand guard to engage the chain brake. The saw chain must stop immediately. WARNING: Do not let go of the front handle! To do a check of the power trigger lock...
Page 23 - To adjust the tension of the saw chain; To adjust the tension of the saw chain (420
depth gauge setting after each third operation that you sharpen the cutting teeth.We recommend that you use our depth gauge tool to receive the correct depth gauge setting and bevel for the depth gauge. 1. Use a flat file and a depth gauge tool to adjust the depth gauge setting. Only use a Husqvarna...
Page 25 - To do a check of the guide bar; Transportation, storage and disposal; Transportation and storage; Technical data
To do a check of the guide bar 1. Make sure that the oil channel is not blocked. Clean if it is necessary. 2. Examine if there are burrs on the edges of the guide bar. Remove the burrs using a file. 3. Clean the groove in the guide bar. 4. Examine the groove in the guide bar for wear. Replace the gu...
Page 27 - Accessories; Guide bar and saw chain combinations
Accessories Guide bar and saw chain combinations The cutting attachments below are approved for the model 420 EL Guide bar Saw chain Length, cm (in) Pitch, mm (in) Gauge, mm (in) Max. nose radius Type Drive link count 40 (16) 9,52 (3/8) 1,3 (0,050) 7T Husqvarna H37 56 Filing equipment and filing ang...
Page 28 - Declaration of Conformity; EU Declaration of Conformity
Declaration of Conformity EU Declaration of Conformity We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare on our sole responsibility that the product: Description Chainsaw for forest service Brand Husqvarna Type / Model 420 EL Identification Serial numbers dating from 2024 an...
Page 29 - UK Declaration of Conformity
UK Declaration of Conformity We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare on our sole responsibility that the product: Description Chainsaw for forest service Brand Husqvarna Type / Model 420 EL Identification Serial numbers dating from 2024 and onwards complies fully w...
