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

To do a check of the mufflerWARNING: Do not use a product thathas a defective muffler or a muffler that is inbad condition.WARNING: Do not use a product if thespark arrestor mesh on the muffler ismissing or defective.1. Examine the muffler for damages and defects.2. Make sure that the muffler is correctly attached tothe product. (Fig. 102)3. If your product has a special spark arrestor mesh,clean the spark arrestor mesh weekly. (Fig. 103)4. Replace a damaged spark arrestor mesh.CAUTION: If the spark arrestor mesh isblocked the product becomes too hot andthis causes damage to the cylinder andpiston.To adjust the idle speed screw (T)The basic carburetor adjustments are done at thefactory. You can adjust the idle speed but for moreadjustments, refer to your servicing dealer.To give the components of the engine sufficientlubrication during run-in, adjust the idle speed. Adjustthe idle speed to the recommended idle speed. Refer toTechnical data on page 29.CAUTION: If the saw chain rotates atidle speed, turn the idle speed screwcounterclockwise until the saw chain stops.1. Start the product.2. Turn the idle speed screw clockwise until the sawchain starts to rotate.3. Turn the idle speed screw counterclockwise until thesaw chain stops.Note: The idle speed is correctly adjusted when theengine runs correctly in all positions. The idle speedmust also be safely below the speed at which the sawchain starts to rotate.WARNING: If the saw chain does notstop when you turn the idle speed screw,speak to your servicing dealer. Do not usethe product until it is correctly adjusted.To examine if the carburetor is correctlyadjusted• Make sure that the product has the correctacceleration capacity.• Make sure that the product 4-cycles a little at fullthrottle.• Make sure that the saw chain does not rotate at idlespeed.• If the product is not easy to start or has lessacceleration capacity, adjust the low and high speedneedles.CAUTION: Incorrect adjustmentscan cause damage to the engine.To replace a broken or worn starterrope1. Loosen the screws to the starter housing2. Remove the starter housing. (Fig. 104)3. Pull out the starter rope approximately 30 cm/12 inand put it in the notch on the pulley.4. Let the pulley rotate slowly rearward to release therecoil spring. (Fig. 105)5. Remove the center screw, the drive disc (A), thedrive disc spring (B) and the pulley (C).WARNING: You must be carefulwhen you replace the return spring orthe starter rope. The recoil spring is intension when it is wound up in the starterhousing. If you are not careful, it caneject and cause injuries. Use protectiveglasses and protective gloves.6. Remove the used starter rope from the handle andthe pulley.7. Attach a new starter rope to the pulley. Wind thestarter rope approximately 3 turns around the pulley.8. Connect the pulley to the recoil spring. The end ofthe recoil spring must engage in the pulley.9. Assemble the drive disc spring, the drive disc andthe center screw.10. Pull the starter rope through the hole in the starterhousing and the starter rope handle.11. Make a tight knot at the end of the starter rope. (Fig.106)To tighten the recoil spring1. Put the starter rope into the notch in the pulley.2. Turn the starter pulley approximately 2 turnsclockwise.3. Pull the starter rope handle and pull out the starterrope fully.24 1270 - 005 - 21.06.2021