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The user is responsible for avoiding injury to third

parties or damage to their property.
Do not lend or rent your sprayer without the

instruction manual. Be sure that anyone using it

understands the information contained in this

manual.
Do not operate your sprayer if any of its compo‐

nents are damaged. Make sure that all compo‐

nents are properly sealed – no leaks.
Pressurize the tank only with the pump that is

installed in the sprayer.
Operate the sprayer only if it is complete and

properly assembled.
To operate this sprayer you must be rested, in

good physical condition and mental health.
Do not operate the sprayer if you are under the

influence of any substance (drugs, alcohol)

which might impair vision, dexterity or judgment.

2.2

Intended use

The sprayer is suitable for spraying chemicals

and other liquids to control pests and weeds.

Typical areas of application are in fruit and vege‐

table growing, horticulture, plantations, grassland

and the forestry industry.
Only use plant protection products that are spe‐

cifically approved for use in sprayers.
Do not use your sprayer for any other purpose

because of the increased risk of accidents and

damage to the sprayer. Never attempt to modify

your sprayer in any way since this may result in

accidents or damage to the sprayer.

2.3

Clothing and Equipment

Wear proper protective clothing and equipment

when using, filling and cleaning the sprayer. Fol‐

low the chemical manufacturer's instructions with

respect to protective equipment.
Clothing must be snug-fitting but allow complete

freedom of movement.
Immediately change work clothes contaminated

with plant control chemicals.

For some chemicals it is necessary to

wear impermeable coveralls.

If you are spraying overhead, wear impermeable

head covering.

Wear impermeable safety boots with

a non-slip sole which are resistant to

plant control chemicals.

Do not wear sandals or go barefoot.

Wear impermeable gloves resistant to

plant control chemicals.

WARNING

To reduce the risk of eye injuries,

wear snug-fitting safety glasses in

accordance with European Standard

EN 166. Make sure the safety

glasses are a good fit.

Wear a suitable respirator.
Inhaling plant control chemicals may endanger

your health. Always wear a suitable respirator to

protect yourself against health risks and allergic

reactions. Observe warnings in the directions for

use of the plant protection product and all appli‐

cable local safety regulations, standards and

ordinances.

2.4

Transport

Transporting in a vehicle:

Properly secure the sprayer to prevent turn‐

over and damage.

The tank must be de-pressurized, empty and

clean.

2.5

Cleaning

Clean plastic surfaces with a cloth. Do not use

aggressive detergents. They may damage the

plastic.
Do not use a pressure washer to clean the unit.

The solid jet of water may damage parts of the

unit.

2.6

Accessories

Only use parts and accessories that are explicitly

approved for this tool by STIHL or are technically

identical. If you have any questions in this

respect, consult a servicing dealer. Use only high

quality parts and accessories in order to avoid

the risk of accidents and damage to the tool.
STIHL recommends the use of genuine STIHL

replacement parts. They are specifically

designed to match your model and meet your

performance requirements.

2 Safety Precautions and Working Techniques

English

0458-597-0121-C

3

Summary of Contents for SG 51

Page 1: ...SG 51 71 Instruction Manual 2 14...

Page 2: ...g improvements STIHL s philosophy is to continually improve all of its products For this reason we may modify the design engineering and appearance of our products periodically Therefore some changes...

Page 3: ...change work clothes contaminated with plant control chemicals For some chemicals it is necessary to wear impermeable coveralls If you are spraying overhead wear impermeable head covering Wear impermea...

Page 4: ...toxic fumes or explo sive solutions Stand the sprayer on a level surface do not fill the tank above the maximum mark When filling from central water supply do not immerse the end of the hose in the so...

Page 5: ...und Watch out for obstacles Be careful of refuse tree stumps roots and ditches which could cause you to trip or stumble To reduce the risk of accidents take a break in good time to avoid tiredness or...

Page 6: ...required for assembly is in the tank 3 1 Connecting Hose to Unit 1 0000 GXX 2198 A0 2 3 Push the union nut 1 over the hose 2 Push the hose 2 behind the shaft and onto the elbow connector 3 Slip the u...

Page 7: ...plate fits snugly and securely against your back 4 1 Adjusting the Height of Har ness Straps The harness straps can be adjusted to suit your physique 8014BA008 AS 1 1 2 2 Use a screwdriver to pry the...

Page 8: ...e quick release fastener 5 Controls Make yourself familiar with how the controls function before using your sprayer for the first time 5 1 Lever Pressurizing the tank 8014BA014 AS Operate the pump lev...

Page 9: ...and the sprayer on a level surface Remove the cap from the tank 8014BA012 AS 1 2 Check the O ring 1 in the cap 2 It must be in good condition max 8014BA011 AS Fill up with thoroughly mixed plant prote...

Page 10: ...re it in a place protected from direct sunlight and frost 10 Inspection and Mainte nance by User 10 1 Greasing the piston packing Removal 8014BA043 KK Unscrew the pump tube from the container The pump...

Page 11: ...se out all parts under running water and then reassemble 11 Maintenance and Care The following intervals apply to normal operating conditions only If your daily working times are lon ger shorten the s...

Page 12: ...se X X X Pump rod Lubricate with oil X X Pump lever bearing Lubricate with grease X X Safety labels Replace X 12 Main Parts 8014BA036 AS 8014BA033 AS 1 2 14 15 5 6 4 12 13 3 9 10 11 16 17 8 7 1 Backpl...

Page 13: ...ked Clean nozzle swirl insert filter Liquid drips from the nozzle Nozzle swirl insert filter blocked Clean nozzle swirl insert filter Jet only no atomization Swirl insert on the nozzle missing Insert...

Page 14: ...KG pp Dr J rgen Hoffmann Director Product Certification Regulatory Affairs 18 UKCA Declaration of Con formity ANDREAS STIHL AG Co KG Badstr 115 D 71336 Waiblingen Germany declare under our sole respon...

Page 15: ...18 UKCA Declaration of Conformity English 0458 597 0121 C 15...

Page 16: ...www stihl com 04585970121C 04585970121C 0458 597 0121 C 0458 597 0121 C...

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