Husqvarna 435 Operator's Manual

Also see for 440 e-series: Operator's manual Operator's manual Operator's manual Owner's manual Operation manual

• Use a chain oil with correct viscosity range thatagrees with the air temperature.CAUTION: If the oil is too thin, itruns out before the fuel. In temperaturesbelow 0°C/32°F some chain oils becometoo thick, which can cause damage tothe oil pump components.• Use the recommended cutting equipment. Refer toAccessories on page 30.• Remove the cap to the chain oil tank.• Fill the chain oil tank with chain oil.• Attach the cap carefully.(Fig. 47)Note: To see where the chain oil tank is on yourproduct, refer toProduct overview on page 10.Kickback informationWARNING: A kickback can causeserious injury or death to the operator orothers. To decrease the risk you must knowthe causes of kickback and how to preventthem.A kickback occurs when the kickback zone of the guidebar touches an object. A kickback can occur suddenlyand with large force, which throws the product in thedirection of the operator.(Fig. 48)Kickback always occurs in the cutting plane of the guidebar. Usually, the product is thrown against the operatorbut can also move in a different direction. It is how youuse the product when the kickback occurs that causesthe direction of the movement.(Fig. 49)A smaller bar tip radius decreases the force of thekickback.Use a low kickback saw chain to decrease the effects ofkickback. Do not let the kickback zone touch an object.WARNING: No saw chain fullyprevents kickback. Always obey theinstructions.Common questions about kickback• Will the hand always engage the chain brake duringa kickback?No. It is necessary to use some force to push thefront hand guard forward. If you do not use the forcenecessary, the chain brake will not be engaged. Youmust also hold the handles of the product stable withtwo hands during work. If a kickback occurs, it ispossible that the chain brake does not stop the sawchain before it touches you. There are also somepositions in which your hand can not touch the fronthand guard to engage the chain brake.• Will the inertia release mechanism always engagethe chain brake during kickback?No. First, the chain brake must operate correctly.Refer toTo do a check of the chain brake on page23 for instructions about how to do a check of thechain brake. We recommend you to do this eachtime before you use the product. Second, the forceof the kickback must be large to engage the chainbrake. If the chain brake is too sensitive, it canengage during rough operation.• Will the chain brake always protect me from injuryduring a kickback?No. The chain brake must operate correctly to giveprotection. The chain brake must also be engagedduring a kickback to stop the saw chain. If you arenear the guide bar, it is possible that the chain brakedoes not have time to stop the saw chain before ithits you.WARNING: Only you and the correctworking technique can prevent kickbacks.To start the productTo prepare to start with a cold engineWARNING: The chain brake must beengaged when the product is started todecrease the risk of injury.1. Move the front hand guard forward to engage thechain brake. (Fig. 50)2. Pull the start/stop switch (A) out and up, to set it inchoke position.3. Push the air purge bulb (B) approximately 6 times oruntil fuel starts to fill the bulb. It is not necessary tofill the air purge bulb fully. (Fig. 51)4. Continue toTo start the product on page 18 formore instructions.To prepare to start with a warm engineWARNING: The chain brake must beengaged when the product is started todecrease the risk of injury.1. Move the front hand guard forward to engage thechain brake. (Fig. 50)2. Pull the start/stop switch (A) out and up, to set it inchoke position.3. Push the air purge bulb (B) approximately 6 times oruntil fuel starts to fill the bulb. It is not necessary tofill the air purge bulb fully. (Fig. 52)1270 - 005 - 21.06.2021 17