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SG 21
2 - 13
Instruction Manual

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Summary of Contents for Stihl SG 21

  • Page 1 SG 21 2 - 13 Instruction Manual...
  • Page 2: Table Of Contents

    Storing the Machine........9 Inspection and Maintenance by User..9 Engineering improvements Maintenance and Care......11 Main Parts..........11 STIHL's philosophy is to continually improve all Specifications..........11 of its products. For this reason we may modify Troubleshooting........12 the design, engineering and appearance of our Maintenance and Repairs......
  • Page 3 Clothing must be snug-fitting but allow complete Only use parts and accessories that are explicitly freedom of movement. approved for this tool by STIHL or are technically identical. If you have any questions in this Immediately change work clothes contaminated respect, consult a servicing dealer.
  • Page 4 – since this may increase the risk of personal sudden low pressure in the system may cause injury. STIHL excludes all liability for personal the solution to be sucked back into the water injury and damage to property caused while supply.
  • Page 5 To ensure the unit can STIHL recommends that you have servicing and be quickly thrown off in an emergency, do not repair work carried out exclusively by an author‐...
  • Page 6: Assembling The Unit

    English 3 Assembling the Unit designed to match your model and meet your performance requirements. Always clean and empty the tank and release pressure in the sprayer before carrying our any maintenance or repair work. When cleaning the tank, tube and hose system, make sure that other persons are not endan‐...
  • Page 7: Preparing Unit For Operation

    5 Preparing Unit for Operation English ► Rotate the pump handle about a quarter turn Depressurize the tank until it disengages and can be moved up and down freely. Unlock the pump handle: – to pressurize the tank Tank Pressurizing the tank ►...
  • Page 8: Filling The Container

    English 6 Filling the Container ► Pressurize the tank – move the unlocked ► Pour thoroughly mixed spray solution through pump handle (1) up and down several times the opening (arrow) – do not exceed maximum until piston manometer (2) shows a pressure capacity (check max mark on scale).
  • Page 9: After Spraying

    8 After Spraying English 10 Inspection and Mainte‐ nance by User 10.1 Pump Removing ► Unscrew the pump from the tank. ► Hold pump firmly by the cylinder barrel and unlock the pump handle. ► Put the strap over your left shoulder so that the unit hangs at your side.
  • Page 10 English 10 Inspection and Maintenance by User ► Pull the pump handle (1) upwards as far as Installing stop. ► Rotate the pump handle (1) clockwise until gland (2) engages the cylinder barrel. ► Push the pump handle (1) downwards and lock it in position.
  • Page 11: Maintenance And Care

    11 Maintenance and Care English 11 Maintenance and Care The following intervals apply to normal operating conditions only. If your daily working times are lon‐ ger, shorten the specified intervals accordingly. Complete unit Visual inspection (condition, leaks) Clean Tank, hose system, wand Drain Clean Nozzle...
  • Page 12: Troubleshooting

    15 Maintenance and Repairs 16 Disposal Users of this machine may only carry out the Contact the local authorities or your STIHL serv‐ maintenance and service work described in this icing dealer for information on disposal. user manual. All other repairs must be carried Improper disposal can be harmful to health and out by a servicing dealer.
  • Page 13 SG 21 Serial identification number: 4255 conforms to the relevant specifications of Direc‐ tive 2006/42/EC. Technical documents deposited at: ANDREAS STIHL AG & Co. KG Produktzulassung Done at Waiblingen, 03.02.2020 ANDREAS STIHL AG & Co. KG Dr. Jürgen Hoffmann Director Product Certification & Regulatory...
  • Page 14 English 17 EC Declaration of Conformity 0458-583-0121-B...
  • Page 15 17 EC Declaration of Conformity English 0458-583-0121-B...
  • Page 16 *04585830121B* 0458-583-0121-B...

Table of Contents