ST 224, ST 227, ST 230 EN Operator's manual ES-MX Manual del usuario FR-CA Manuel d’utilisation 2-23 24-47 48-71
Contents Introduction............................................................... 2 Maintenance........................................................... 14 Safety........................................................................4 Troubleshooting...................................................... 20 Assembly.................................................................. 7 Transportation, storage and disposal......................22 Operation.............................................
11. Clean-out tool 12. Discharge chute 13. Chute deflector 14. Starter rope handle 15. Oil drain plug 16. Fuel switch 17. ON/OFF key 18. Primer 19. ON/OFF switch (ST 227, ST 230) 20. Throttle control 21. Choke 22. Gasoline filler cap 23. Oil fill (ST 227, ST 230), Dipstick (ST 227) 24. Electric start button 25. Connection, electric start 26. Oil fill (ST 224, ), Dipstick (ST 224, ST 230, ) Primer. Oil. Fuel. Caution. European machinery directive for safety.
Fuel shut-off valve. Ear protection recommended. Warning, keep hands away. Wear protection gloves. Warning, keep feet away. Sound power level. Rotate left/push down/ rotate right. No operation on slopes more than 10 degrees. Forward/reverse. Risk of falling. Up/down. Remove key before maintenance. Remove spark plug cable before maintenance. Beware of thrown objects. Keep distance to bystanders.
General safety instructions • • • • • • • • • • • • • • • • Use the product correctly. Injury or death is a possible result of incorrect use. Only use the product for the tasks found in this manual. Do not use the product for other tasks. Obey the instructions in this manual. Obey the safety symbols and the safety instructions. If the operator does not obey the instructions and the symbols, injury, damage or death is a possible result. Do not discard this manual.
• • • • Disengage power to the augers when the product is transported or not in use. Use only attachments and accessories approved by the manufacturer of the product (such as wheel weights, counterweights, or cabs). Never operate the product without good visibility or light. Always be sure of your footing, and keep a firm hold on the handles. Walk; never run. Never touch a hot engine or muffler.
• • • • • • • • • • • • • • • Do not start the product if there is fuel or engine oil on the product. Remove the unwanted fuel/oil and let the product dry. If you spill fuel on your clothing, change clothing immediately. Do not get fuel on your body, it can cause injury. If you get fuel on your body, use soap and water to remove the fuel. Do not start the product if the engine has a leak. Examine the engine for leaks regularly. Be careful with fuel.
Discharge chute (1) Spring (1) ON/OFF key (s) Shoulder bolt ¼-20 (1) To install the handle Carriage bolts 5/16-18 x 2 ¼” (2) 1. Raise the upper handle to the operating position. Handle knobs (2) Locknut 3/8 (1) Cable guide (1) Shear pins ¼-20 x 1-¾ (6) Locknuts ¼-20 (6) 2. Adjust the handle position to one of the mounting holes (B) and tighten the handle knobs (C) with the carriage bolts (D).
3. Install more carriage bolts (D) and handle knobs (C) to secure the upper handle (A) to the lower handle (E). A G F A D C B E D C E 5. Put the cables through the cable guide (F) and the double clip (I) to attach the rotator cable (H) to the lower handle. H F To install the chute deflector and chute rotator head 1. Put the chute deflector assembly on the top of the chute base with the discharge opening in the direction of the front of the product. 2.
G 4. Attach the lever control knobs (N) by pressing them down on the control levers (O). F N L C E M B K O D A Operation Before you start the product • • • • Keep persons and animals away from the work area. Do daily maintenance. See Maintenance schedule on page 14. Make sure the ignition lead fits correctly on the spark plug. Add oil or gasoline, if necessary. See Technical data on page 23. To fill the engine with oil CAUTION: Do not rotate the dipstick when you check the oil.
To start the engine, manual start 1. Insert the ON/OFF key (A) into the ignition slot until it clicks. Do not turn the key. B D To start the engine, electric start WARNING: The product has a 120 V A.C. electric starter. Do not use the electric starter if your house is not a 120 V A.C. three-wire grounded system. Serious personal injury or damage to the product could occur. The electric starter has a three-wire power plug, and is designed to use 120 V A.C. household current.
A B D H E A C F G 10. Disconnect the extension cord from the receptacle first and then from the engine. 11. Run the engine 2-3 minutes at idling speed before you start to throw snow. To operate the product 2. Raise the drive speed control lever (B) from the middle position to make the product move forward when the drive engagement (C) is engaged. Do not change the speed when the drive lever is engaged. This can cause damage to the transmission. 3.
To stop the product To adjust the skid plates 1. Move the ON/OFF switch to the OFF position (if equipped). The skid plates prevent damage to the bottom of the snow thrower. Adjust the skid plates (A) when the locknut (B) is loose, or the skid plate is not at the correct distance from the ground. No adjustment is necessary for standard installation. 2. Remove the ON/OFF key. To use the throttle control • Turn the throttle control (A) to change the amount of fuel used.
To get a good result • • • Always run the engine at full throttle or near full throttle. Always adapt the speed of the product to the snow situation and adjust the speed with the drive speed control lever. Make sure that the product throws snow evenly. It is easier and more efficient to remove snow immediately after it falls. Always throw snow downwind whenever possible. • • • • • On flat surfaces, like asphalt roads, raise the skid plates up to 5-6 mm (0.2-0.25 in) off the ground.
5. Remove the dipstick. CAUTION: The muffler becomes very hot during and after use and when the engine operates at idle speed. Be careful near flammable materials and/or fumes to prevent fire. 6. Examine the oil level on the dipstick. 7. If the oil level is low, fill with engine oil and do a check of the oil level again. To replace the engine oil 1. Run the engine a few minutes to make the oil warm. Warm oil flows better and includes more contaminants. WARNING: The engine oil is hot.
3. Align the hole in the auger hub (B) with the hole in the auger shaft (C) and install a new ¼ - 20 x 2 shear pin (A) A C B 4. Install a ¼-20 locknut (D) and tighten. A B D C 5. Put the ON/OFF key in the ignition and connect the spark plug cable to the spark plug. B D To examine the tires 5. Put the ON/OFF key in the ignition and connect the spark plug cable to the spark plug. • To replace the impeller shear pins • The impeller shear pins protect the product from damage.
B A A 2. Replace the scraper bar if it is worn on both sides or if it is damaged. Drive belts WARNING: The v-belts on your product are of special construction and should be replaced by original equipment manufacturer (OEM) belts available from your nearest service center. Using other than OEM belts can cause personal injury or damage to the product. C 3. Loosen the two screws (A) that secure the belt cover (B) to the frame (C) and remove the belt cover.
4. Remove the arm bolt (E) and drive belt tensioner arm. C A 5. Remove the pulley bolt (F), engine pulley (G) and drive belt (H) from the engine. 6. Remove the top bolt (I) holding the swing plate to the frame 7. Pivot and hold the swing plate away from the product and remove the drive belt from the drive pulley (J). To install the drive belt 1. Pivot and hold the swing plate (D) away from the product. E G B 2. Install the discharge chute. F To remove the auger belt B A H I 1.
2. Remove the wooden block from below the product. 3. Adjust until the cable for the discharge chute deflector (C) has a tight fit. Tighten the jam nuts. 3. Lift the handle to tilt the rear section up. The front section will tilt back and pivot to attach the rear section. To adjust the auger control cable 4. Make sure that the belt is put in the auger pulley groove correctly. 5. Install the 5/16'' bolts (A), (C) and tighten (8-12 Ft.Lbs / 11-16 Nm).
To clean the product • • A C • • Clean plastic parts with a clean and dry cloth. Do not use a high pressure washer to clean the product. Do not flush water directly on the motor. Use a brush to remove leaves, grass and dirt. B Troubleshooting Troubleshooting Problem The product does not start Possible cause Solution The safety ignition key is not inserted. Insert the safety ignition key. The product is out of fuel. Fill the fuel tank with fresh, clean gasoline. The ON/OFF key is OFF.
Problem Decreased power The engine idles or runs roughly Excessive vibration / Handle movement The starter rope handle is hard to pull 694 - 006 - 12.05.2020 Possible cause Solution The spark plug cable is not connected. Connect the cable to the spark plug. The product throws too much snow. Decrease the speed and the width of the swath. The fuel tank cap is covered with ice or snow. Remove the ice and the snow on and around the fuel tank cap. The muffler is dirty or clogged.
Problem Possible cause Loss of traction drive/ slowing of drive speed Solution The belt slips. Adjust the cable. Adjust the belt. The belt is worn. Check / replace the belt. Adjust the pulley. The belt is off the pulley. Check / reinstall the belt. Adjust the pulley. The chute deflector is clogged. Clean the chute deflector. Foreign objects clog the augers. Remove the debris or the foreign object from the augers. The shear pin is broken. Replace the broken shear pin.
• • Keep the product in a locked area to prevent access for children or persons that are not approved. Keep the product in a dry and frost free area. • Discard all chemicals, such as engine oil or fuel, at a service center or at an applicable disposal location. When the product is no longer in use, send it to a Husqvarna dealer or discard it at a recycling location. • Disposal • Obey the local recycling requirements and applicable regulations.
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