Husqvarna T525 Operator's Manual
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Husqvarna T525 Operator's Manual

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T525
EN
Operator's manual
2-32

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Summary of Contents for Husqvarna T525

  • Page 1 T525 Operator's manual 2-32...
  • Page 2 Intended use Product description This product is for professional tree maintenance such The Husqvarna T525 is a chainsaw model with a as pruning and to disassemble trees in sections. combustion engine. Work is constantly in progress to increase your safety Note: National regulations can set limit to the operation and efficiency during operation.
  • Page 3 17. Throttle trigger 18. Throttle trigger lockout Fuel. 19. Belt eyelet 20. Clutch cover 21. Chain tensioning screw 22. Product and serial number plate Chain oil. 23. Chain catcher 24. Oil pump adjustment screw 25. Bar nut Both of the operator's hands must be used 26.
  • Page 4 Federal emissions requirement. Maintenance, EMISSION CONTROL INFORMATION replacement or repair of the emission control devices HUSQVARNA AB HUSKVARNA SWEDEN * THIS ENGINE MEETS U.S. and system may be performed by any nonroad engine EPA AND CALIFORNIA EXH/EVP REGS FOR SORE.
  • Page 5 • Never use the product with visible damage to the handle. Wrap your fingers and thumbs around the spark plug cap and ignition cable. A risk of sparking handles. You should use this grip whether you are arises, which can cause a fire. right handed or left handed.
  • Page 6 Use boots with saw protection, steel toe-cap and should consult an expert before continuing. Do not non-slip sole. hesitate to contact your dealer or Husqvarna if you • Always have a first-aid kit with you. have any questions about the use of the chainsaw.
  • Page 7 Throttle trigger lockout Muffler The throttle trigger lockout prevents accidental operation WARNING: The muffler becomes very hot of the throttle trigger. If you put your hand around the during/after operation and at idle speed. handle and press the throttle trigger lockout (A), it There is a risk of fire, especially when you releases the throttle trigger (B).
  • Page 8 • Always move the product at least 3 m (10 ft) away • Use protective gloves when you use or do from the refuelling area and fuel source before maintenance on the saw chain. A saw chain that starting. does not move can also cause injuries. •...
  • Page 9 Assembly Introduction 6. Align the hole in the guide bar with the chain adjuster pin and install the clutch cover. WARNING: Read and understand the safety chapter before you assemble the product. To assemble the guide bar and saw chain 1.
  • Page 10 • For best results and performance use Husqvarna two-stroke oil. • If Husqvarna two-stroke oil is not available, use a two-stroke oil of good quality for air-cooled engines. Speak to your servicing dealer to select the correct oil. CAUTION: Do not use two-stroke oil for water-cooled outboard engines, also referred to as outboard oil.
  • Page 11 Kickback always occurs in the cutting plane of the guide bar. Usually, the product is thrown against the operator • Use Husqvarna chain oil for maximum saw chain life but can also move in a different direction. It is how you and to prevent negative effects on the environment.
  • Page 12 Common questions about kickback 1. Move the front hand guard forward to engage the chain brake. • Will the hand always engage the chain brake during a kickback? No. It is necessary to use some force to push the front hand guard forward. If you do not use the force necessary, the chain brake will not be engaged.
  • Page 13 1. Move the front hand guard forward to engage the 3. Put your knee on the rear part of the top handle. chain brake. 4. Pull the starter rope handle slowly with your right hand until you feel resistance. 2. Push the air purge bulb about 6 times or until fuel starts to fill the bulb.
  • Page 14 8. Use the product. To start the product in the tree Note: Make sure that you have sufficient fuel before you start the product. 1. Engage the chain brake. 2. Hold the product on the left or right side of your body when you start the product.
  • Page 15 1. Before you disconnect the safety strop from the ascent tools, you must attach the product to the harness. Attach the product to the harness through the belt eyelet or a steel ring on the safety strop. To prepare the product for operation in the tree Ground operator As a ground operator, do the following steps.
  • Page 16 • Make sure that you are stable on your feet and keep WARNING: You must engage the chain a low lateral force when you cut vertical branches. brake when you lower the product onto Steer the safety line through a different connection its strop.
  • Page 17 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- Clean the cooling system. Refer to Do a check of the brake band. Refer To clean the cooling system on page To do a check of the brake band uct and make sure that there is no oil...
  • Page 18 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 the muffler is correct- ly attached, has no damages and that no parts of the muffler are miss- ing.
  • Page 19 To do a check of the throttle trigger and the 2. Make sure that the chain catcher is stable and attached to the body of the product. throttle trigger lockout 1. Make sure that the throttle trigger and throttle trigger lockout move freely and that the return spring works correctly.
  • Page 20 2. Remove the muffler guard and clutch cover. 6. Some mufflers have a special spark arrestor mesh. Clean the spark arrestor mesh one time each week if your product has this type of muffler. 3. Loosen the screw and remove the cover. CAUTION: If the spark arrestor mesh is blocked the product becomes too hot and this causes damage to the cylinder...
  • Page 21 Basic adjustments and run-in • Make sure that the product 4-cycles a little at full throttle. The basic carburetor adjustments are done at the • Make sure that the saw chain does not rotate at idle factory. For the recommended idle speed, refer to speed.
  • Page 22 7. Attach a new starter rope to the pulley. Wind the 3. Attach the air filter and make sure that the air filter starter rope approximately 3 turns around the pulley. seals tightly against the filter holder. 8. Connect the pulley to the recoil spring. The end of the recoil spring must engage in the pulley.
  • Page 23 Chain oil hole and hole for chain tensioner. The the guide bar and saw chain combination recommended guide bar must align with product. by Husqvarna. This is necessary to keep the safety Accessories on page functions of the product. Refer to 30 , for a list of replacement bar and chain combinations that we recommend.
  • Page 24 It is not easy to sharpen a saw chain correctly without sharpen the cutting tooth (A). To keep maximum cutting the correct equipment. Use Husqvarna file gauge. This performance you must remove filing material from the will help you to keep maximum cutting performance and depth gauge (B) to receive the recommended depth the kickback risk at a minimum.
  • Page 25 1. Use a flat file and a depth gauge tool to adjust the front of the guide bar at the same time. depth gauge setting. Only use Husqvarna depth 6. Make sure you can pull the saw chain around freely...
  • Page 26 To do a check of the spur sprocket 3. Compare the saw chain with a new saw chain to examine if the rivets and links are worn. The clutch drum has a spur sprocket that is welded on 4. Replace the saw chain when the longest part of the the clutch drum.
  • Page 27 To adjust the chain oil flow 5. Examine if the guide bar tip is rough or very worn. WARNING: Stop the engine before you make adjustments to the oil pump. 1. Turn the adjustment screw for the oil pump. Use a screwdriver or combination wrench.
  • Page 28 Product part to examine Possible cause Action Fuel tank Incorrect fuel type. Drain the fuel tank and fill with cor- rect fuel. The fuel tank is filled with chain oil. If you have tried to start the product, speak to your servicing dealer. If you have not tried to start the product, drain the fuel tank.
  • Page 29 CAUTION: If the saw chain and guide bar are not cleaned, they can become rigid or blocked. Technical data Technical data Husqvarna T525 Engine Cylinder displacement, cm 27.0 Idle speed, rpm 2900 Maximum engine power acc. to ISO 8893, kW/hp @ rpm 1.1/1.5@9500...
  • Page 30 If you are not sure how to identify the type of saw chain on your product, refer to www.husqvarna.com for more Use a Husqvarna file gauge to sharpen the saw chain. A information. Husqvarna file gauge makes sure that you get the...
  • Page 31 0.025 in / 0.65 5/32 in / 4.0 mm 580 68 74-01 30° 85° 0.025 in / 0.65 5/32 in / 4.0 mm 505 24 37-01 30° 80° 0.025 in / 0.65 S93G 5/32 in / 4.0 mm 587 80 90-01 30°...
  • Page 32 EC type examination in accordance with the machinery directive’s (2006/42/EC) article 12, point 3b. The certificates for EC type examination in accordance with annex IV, has the number: 0404/17/2479 – T525. In addition, 0404, RISE SMP Svensk Maskinprovning AB, Box 7035, SE-750 07 Uppsala, Sweden, has certified conformity with annex V of the Council’s...
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  • Page 36 Original instructions 1140544-28 2019-08-28...

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