545FR, 545FX, 545FXT, 545RX, 545RXT, 545F EN Operator's manual 2-33
Contents Introduction..................................................................... 2 Troubleshooting............................................................ 27 Safety..............................................................................4 Transportation and storage...........................................28 Assembly...................................................................... 10 Technical data.............................................................. 28 Operation.....
7. Handle adjustment 8. Throttle trigger 9. Stop switch 10. Start throttle button 11. Throttle trigger lockout 12. Throttle wire adjustment 13. Suspension point 14. Fuel tank 15. Decompression valve 16. Muffler 17. Spark plug cap and spark plug, below the cover 18. Starter rope handle 19. Air purge bulb 20. Air filter cover 21. Choke control 22. Harness, safety-release mechanism 23. Harness, hip pad 24. Drive disc 25. Cutting attachment guard 26. Locknut 27. Support flange 28. Handlebar 29. Support cup 30.
• Note: Other symbols/decals on the product refer to certification requirements for other commercial areas. • Product liability Euro V Emissions As referred to in the product liability laws, we are not liable for damages that our product causes if: • • the product has an accessory that is not from the manufacturer or not approved by the manufacturer. the product is not repaired at an approved service center or by an approved authority. the product is incorrectly repaired.
• • • • • • • • • • • • Use personal protective equipment, see Personal protective equipment on page 5. Long-term exposure to noise can result in permanent hearing loss. Always use approved hearing protection. Listen for warning signals and loud voices when you use hearing protection. Always remove your hearing protection when the engine stops. Never use the product if it is changed or defective. Make sure that the spark plug cap and ignition lead are not damaged to prevent the risk of electrical shock.
• Use a helmet if the trees in the work area have a height of more than 2 m. • Use approved hearing protection. • Keep first aid equipment close at hand. Safety devices on the product For information about where to find the safety devices, see Product overview on page 2. WARNING: Read the warning instructions that follow before you use the product. • • Use approved eye protection. If you use a visor, you must also use approved protective goggles.
2. Press the throttle trigger lockout (A). Make sure that the throttle trigger (B) is released. B 2. Move the stop switch to the stop position and make sure that the engine stops. A B A 3. Release the handle and make sure that the throttle trigger lockout (A) and the throttle trigger (B) go back to their initial positions. 4. Press the throttle trigger lockout (A) and make sure that it goes back to its initial position when you release it.
To do a check of the safety-release mechanism WARNING: Do not use a harness with a defective safety-release mechanism. The safety-release mechanism lets the operator remove the product quickly from the harness if there is an emergency. Note: The inner surfaces of the muffler contain chemicals that can cause cancer. Be careful not to touch these elements if the muffler is damaged. 3. Make sure that the muffler is correctly attached to the product. 1. Stop the engine. 2.
• • Only use an approved cutting attachment guard. Refer to Accessories on page 30. Do not use a damaged cutting attachment. Grass trimmer head • • • • • • Make sure that you wind the grass trimmer line tightly and equally around the drum to decrease the vibration. Use only the approved grass trimmer heads and grass trimmer lines. Refer to Accessories on page 30. Use a correct length of the grass trimmer line. A long grass trimmer line uses more engine power than a short grass trimmer line.
• Replace damaged, worn or broken parts. Assembly Introduction WARNING: Before you assemble the product, you must read and understand the safety chapter. 2. Tighten the knob lightly. 3. Put on the harness and hang the product from the suspension point. 4. Adjust the handle to put the product in a comfortable work position. WARNING: Remove the spark plug cable from the spark plug before you assemble the product.
4. Put the locking pin (C) in the hole to lock the shaft. WARNING: An incorrectly attached cutting attachment can result in injury or death. 5. Put the grass blade (D), the support cup (E) and the support flange (F) on the output shaft. G To attach the guard extension E CAUTION: Use the guard extension when you use a trimmer head/plastic blade. Do not use the guard extension when you use a grass blade. D C 1. Put the guard extension in the groove of the cutting attachment guard. F B A 6.
To attach the saw blade guard 545FR, 545RX, 545RXT 1. Attach the holder (A) and bracket (B) with 2 bolts (C) on the gear housing (D). 7. Tighten the nut with the socket wrench. Hold the shaft of the socket wrench near the blade guard. Tighten in the opposite direction to how the cutting attachment rotates. Tighten it to a torque of 35-50 Nm. 2. Attach the saw blade guard (E) with 4 bolts (F) in the holder (A).
To adjust the Balance X harness 545FR, 545RX 1. Put the harness on. 2. Push the 2 parts of the breastplate together as shown in the illustration. 7. It can be necessary to lower the suspension point when you trim grass. If it is necessary, move the suspension strap (A) to the lower suspension point on the harness. 8. Tighten the elastic strap (B) to move the load from the shoulders to the hip. A B 3. Tighten the hip strap tightly. Make sure that the hip strap aligns with the hip.
5. Tighten the hip strap tightly. Make sure that the hip strap aligns with the hip. 10. Adjust the shoulder strap to make the product weigh equally on your shoulders. 6. Push the 2 parts of the breastplate together as shown. 11. Adjust the side straps around the rib cage until the breastplate is aligned with the center of your chest. 7. Attach the side belt to the breastplate. 8. To decrease the pressure on the rib cage and shoulders, connect the side strap with the strap to the hip pad.
• • • Do the safety inspections, maintenance and servicing that are given in this manual. Make sure that all covers, guards, handles and the cutting equipment are correctly attached and not damaged. Make sure that there are no cracks at the bottom of the saw blade or grass blade teeth or by the center hole of the blade. Replace the blade if it is damaged. Fuel This product has a two-stroke engine. CAUTION: Incorrect type of fuel can result in engine damage. Use a mixture of gasoline and two-stroke oil.
CAUTION: Small errors can influence the ratio of the mixture drastically when you mix small quantities of fuel. Measure the quantity of oil carefully and make sure that you get the correct mixture. • • • • Keep the cutting attachment below waist level. Always keep the product attached to the harness. Keep body parts away from the hot surfaces. Keep body parts away from the cutting attachment.
3. Push the air purge bulb (C) about 6 times or fuel until fuel starts to fill the bulb. It is not necessary to fill the air bulb fully. 4. Push the air purge bulb (D) 10 times. It is not necessary to fill the air purge bulb fully. C A E B A B C 4. Hold the body of the product on the ground with your left hand. D Note: Do not use the decompression valve (E). 5. Pull the starter rope handle quickly and with force. Pull the starter rope handle until the engine fires.
Heated handles • Move in a regular pattern across the work area. • Move the product fully to the left and right, to clear a width of 4–5 m on each turn. Clear a length of 75 m before you turn and go back. Move the fuel can along with you as you continue. Move in a direction where you do not go across ditches and obstacles more than necessary. Move in a direction where the wind makes the cut vegetation fall in the cleared area. 545FXT has heating elements in the handles.
To fell a tree to the right To fell to the right, push the bottom of the tree to the left. 3. Do the first cut on the side of the tree to which it will fall. 1. Apply full throttle. 2. Put the saw blade against the tree as given in the picture. 3. Tilt the saw blade and push it with force diagonally up and to the right. At the same time, push the tree with the blade guard. 4. Cut through the tree from the other side. To fell a tree forward To fell forward, push the bottom of the tree rearward. 1.
• For groups of thin trees: • b) Do not move the grass blade through cut material when you move the product from left to right. Before you collect the cut material, stop the engine and remove the product from the harness. Put the product down on the ground. Grass trimming with a trimmer head To trim the grass 1. Hold the trimmer head immediately above the ground at an angle. Do not push the trimmer line into the grass. a) Cut the outer trees high up. b) Cut the outer trees to the correct height.
7. Reduce the risk of material wrapping around the blade by always work at full throttle and avoid the previously cut material during the return stoke. 8. Stop the engine, unclip the harness and place the machine on the ground before you start to collect the cut material. To sweep the grass The airflow from the rotating trimmer line can be used to remove cut grass from an area. 1. Hold the trimmer head and the trimmer line parallel to the ground and above the ground. 2. Apply full throttle.
Maintenance Daily Do a check of the throttle trigger lockout and the throttle trigger. Refer to To do a check of the throttle trigger lockout on page 6. X Make sure that the cutting attachment does not rotate at idle speed. X Do a check of the stop switch. Refer to To do a check of the stop switch on page 7. X Examine the cutting attachment guard for damages and cracks. X Make sure that the saw blade or grass blade is attached correctly.
To adjust the idle speed Your Husqvarna product is made to specifications that decrease harmful emissions. 3. If the start throttle speed is less than 4000 rpm, turn the adjuster screw (A) clockwise. When the cutting attachment starts to rotate, turn the adjuster screw (A) 1/2 turn clockwise. 1. Make sure that the air filter is clean and the air filter cover is attached before you adjust the idle speed. 2. Adjust the idle speed with the idle speed screw T which is identified with "T" mark.
• The starter pawls (E) that are found on the flywheel D CAUTION: Do not bend of fold the air filter as this can cause damage to the air filter. Replace a damaged air filter. To clean a nylon air filter (545F, 545FX, 545FXT) C 1. Remove the air filter cover. E B A Clean the cooling system weekly or more frequently if it is necessary. 1. Remove the starter cover and the cylinder cover. 2. Clean the cooling system with a brush. 3. Examine the starter pawls and area around them for dirt. 4.
Use the locknut to attach some types of cutting attachments. The locknut has a left thread. • Use a socket wrench with a shaft that is sufficiently long to let you keep your hand behind the cutting attachment guard. The arrow in the illustration shows the area where you can safely operate the socket wrench. • • Sharpen all edges equally to keep the balance. Use a single-cut flat file. WARNING: Always discard a blade that is damaged. Do not try to make a bent or twisted blade straight and use it again.
• Sharpen one tooth of the saw blade to the right and the next tooth to the left, see the illustration. • If the spark plug is dirty, clean it and make sure that the electrode gap is correct, refer to Technical data on page 28. • Replace the spark plug if it is necessary. 15˚ Note: Sharpen the edges of the teeth with a flat file if the blade is heavily worn. Continue to sharpen with a round file. • • Sharpen all edges equally to keep the blade balanced.
To lubricate the wire 4. Use antifreeze spray with a 2 mm spray tube. Spray in short intervals. 545FXT Note: The wire is lubricated at the factory. Lubricate the wire monthly. 1. Remove the protective cover. 2. Remove the cylinder cover to get access to the rubber bellows on the wire. 3. Remove the plug on the grease nipple. 5. Examine the rubber bellows on the wire to make sure that it does not expand. 6. Attach the cylinder cover and the protective cover.
The engine starts but stops again Check Possible cause Procedure Fuel tank Incorrect fuel type. Empty the fuel tank and fill it with correct fuel. Fuel filter The fuel filter is clogged. Replace the fuel filter. Carburetor The idle speed is not correctly adjusted. Adjust the idle speed with the idle speed screw T. Air filter The air filter is clogged. Clean the air filter. Transportation and storage • • Let the product cool before transportation or storage.
545FR 545RX 545RXT Sound power level, measured dB (A) 113 115 115 Sound power level, guaranteed LWA dB (A) 114 117 117 Noise emissions 3 Sound levels 4 Equivalent sound pressure level at the operator’s ear, measured according to EN ISO 11806 and ISO 22868, dB(A): Equipped with trimmer head (original) - 100 100 Equipped with grass blade (original) - 100 100 Equipped with saw blade (original) 100 – – Vibration levels 5 Equivalent vibration levels (ahv,eq) at handles, measured accord
545FX 545FXT 545F 8.2 8.4 8.
Approved accessories Accessory type Cutting attachment guard, art. no. Plastic blades Tricut Ø 300 mm (Separate blades have part number 531 01 77-15) 537 28 85-01 / 544 46 43-01 Trimmer head Trimmy S II (Ø 2.4–3.3 mm cord) 503 95 43-01 / 544 46 43-01 Auto 55 (Ø 2.7-3.3 mm cord) 503 95 43-01 / 544 46 43-01 T45x (Ø 2.7–3.
Approved accessories Accessory type Cutting attachment guard, art. no. Grass blade/grass knife Multi 255-3 (Ø 255, 3 teeth) 537 28 85-01 / 544 46 43-01 Multi 275-4 (Ø 275, 4 teeth) 537 28 85-01 / 544 46 43-01 Multi 300-3 (Ø 300 3 teeth) 537 28 85-01 / 544 46 43-01 Maxi XS 200-22 (Ø 200, 22 teeth) 537 31 09-01 Scarlet 200-22 (Ø 200, 22 teeth) 537 31 09-01 Plastic blades Tricut Ø 300 mm (Separate blades have part number 531 01 77-15) 537 28 85-01 / 544 46 43-01 Trimmer head Trimmy S II (Ø 2.
EC Declaration of Conformity EC Declaration of Conformity Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declares that the brush cutters Husqvarna 545FR, 545FX, 545FXT, 545RX, 545RXT, 545F with serial numbers dating from 2016 onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S DIRECTIVE: • • • • of May 17, 2006 ”relating to machinery” 2006/42/EC of February 26, 2014 ”relating to electromagnetic compatibility
Trimmy SII 1 2,4-3,3 mm .095"-.
T55x 1 2 A 3 B C A 2,7 - 4,0 mm / .105 - .160" B 8 m / 26’ C 15 cm / 5.
T45, T45x 2 3 2,7-3,3 mm .106-.
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