Page 2 - Product description
Contents Introduction..................................................................... 2Safety..............................................................................4Assembly........................................................................ 9Operation...................................
Page 4 - Safety; Safety definitions
Safety Safety definitions Warnings, cautions and notes are used to point out specially important parts of the manual. WARNING: Used if there is a risk of injury or death for the operator or bystanders if the instructions in the manual are not obeyed. CAUTION: Used if there is a risk of damage to the...
Page 8 - Fuel safety; Safety instructions for maintenance; Safety instructions for the cutting equipment
Fuel safety WARNING: Read the warning instructions that follow before you use the product. • Make sure there is plenty of ventilation when refuelling or mixing fuel (petrol and two-stroke oil). • Fuel and fuel vapour are highly flammable and can cause serious injury when inhaled or allowed to come i...
Page 9 - Assembly; Introduction
chain and chain drive sprocket. Refer to To adjust the tension of the saw chain on page 29. • Do maintenance on the cutting equipment regularly and keep it correctly lubricated. If the saw chain is not correctly lubricated, the risk of wear on the guide bar, saw chain and chain drive sprocket increa...
Page 10 - To reset the chain brake
2. Remove the chain tensioner wheel and clutch cover (chain brake). Remove the transport guard (A). Note: If the clutch cover is not easy to remove, tighten the bar nut, engage the chain brake and release. A click is heard if it is released correctly. 3. Assemble the guide bar onto the bar bolts. Mo...
Page 11 - Operation; Premixed fuel
Operation Introduction WARNING: Read and understand the safety chapter before you use the product. To do a function check before you use the product 1. Make sure that the chain brake operates correctly and that it is not damaged. 2. Make sure that the right hand guard is not damaged.3. Make sure tha...
Page 13 - Kickback information; Common questions about kickback; To start the product; To prepare to start with a cold engine
Note: To see where the chain oil tank is on your 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 wh...
Page 15 - To use the spiked bumper
To stop the product 1. Push the start/stop switch down to stop the engine. Pull stroke and push stroke You can cut through wood with the product in 2 different positions.• To cut on the pull stroke is when you cut with the bottom of the guide bar. The saw chain pulls through the tree when you cut. I...
Page 17 - To use the tree felling technique
1 2 3 1. Remove the limbs on the right side of the trunk. a) Keep the guide bar on the right side of the trunk and keep the body of the product against the trunk. b) Select the applicable cutting technique for the tension in the branch. WARNING: If you are not sure about how to cut the branch, speak...
Page 19 - 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 20 - To free a trapped tree
1. If the usable cutting length is longer than the tree diameter, do these steps (a-d).a) Make a bore cut straight into the trunk to complete the felling hinge width. b) Cut on the pull stroke until ⅓ of the trunk is left.c) Pull the guide bar 5-10 cm/2-4 in rearward.d) Cut through the remaining of ...
Page 21 - To cut trees and branches that are in tension; To use the product in cold weather
To cut trees and branches that are in tension 1. Figure out which side of the tree or branch that is in tension. 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 an...
Page 22 - Maintenance
Maintenance Introduction WARNING: Read and understand the safety chapter before you do maintenance on the product. Maintenance schedule Daily maintenance Weekly maintenance Monthly maintenance Clean the external parts of the prod- uct and make sure that there is no oil on the handles. Clean the cool...
Page 23 - To do a check of the brake band
Daily maintenance Weekly maintenance Monthly maintenance Make sure that these are no fuel leaks from the engine, tank or fuel lines. Make sure that the saw chain does not rotate when the engine is at idle speed. Make sure that there is no damage on the right hand guard. Make sure that the muffler is...
Page 27 - Information about the guide bar and saw chain
To clean the air filter Clean the air filter regularly from dirt and dust. This prevents carburetor malfunctions, starting problems, loss of engine power, wear to engine parts and more fuel consumption than usual.1. Remove the cylinder cover and the air filter.2. Use a brush or shake the air filter ...
Page 30 - To adjust the tension of the saw chain
1. Loosen the bar nuts that hold the clutch cover/chain brake. Use a wrench. Note: Some models have only one bar nut. 2. Tighten the bar nuts by hand as tightly as you can.3. Lift the front of the guide bar and turn the chain tensioning screw. Use a wrench. 4. Tighten the saw chain until it is tight...
Page 31 - To do a check of the spur sprocket
4. Turn the knob clockwise to tighten the clutch cover. 5. Fold the knob down. 6. Make sure you can pull the saw chain around freely by hand and that it does not hang from the guide bar. To do a check of the saw chain lubrication 1. Start the product and let it operate at ¾ throttle. Hold the bar ap...
Page 33 - To clean the cooling system; Troubleshooting; The engine does not start
the air filter. AirInjection ™ extends the life of the air filter and the engine. To clean the cooling system The cooling system keeps the engine temperature down. The cooling system includes the air intake on the starter and the air guide plate, the pawls on the flywheel, the cooling fins on the cy...
Page 36 - Accessories; Recommended cutting equipment
435 II 435e II 440 II 440e II Usable cutting length, inch/cm 12-17/31-43 12-17/31-43 12-17/31-43 12-17/31-43 Pitch, inch/mm 0.325/8.25 0.325/8.25 0.325/8.25 0.325/8.25 Thickness of drive links, inch/mm 0.050/1.3 0.050/1.3 0.050/1.3 0.050/1.3 Type of drive sprock- et/number of teeth Spur/7 Spur/7 Spu...
Page 38 - 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 435 II, 435e II, 440 II, 440e II Identification Serial n...
Page 39 - 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 435 II, 435e II, 440 II, 440e II Identification Serial numbers dating from 2024 an...