Stihl SG 20 Support Question
Stihl SG 20 Support Question
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Question posted by prasadsivaram on July 18th, 2021
Sg20 Pump O-ring Size.
What is the size of Pump O-ring? the pump is leaking from above while spraying.
Current Answers
Answer #1: Posted by SonuKumar on July 18th, 2021 10:05 PM
SonuKumar
Member since:
May 9th, 2021 Points: 16,653,150
Member since:
May 9th, 2021 Points: 16,653,150
The size is a 1 1/8" OD x 7/8" ID
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Sonu
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Related Stihl SG 20 Manual Pages
Product Instruction Manual - Page 3
...
Guide to Using this Manual
1
Safety Precautions and Working
Techniques
2
Assembling the Unit
7
Harness
8
Filling the Tank
9
Spraying
9
Storing the Machine
10
Maintenance and Care
11
Main Parts
12
Specifications
13
Special Accessories
13
{
SG 20
English
Guide to Using this manual. © ANDREAS STIHL AG & Co. Such paragraphs are marked with the...
Product Instruction Manual - Page 4
... and follow the chemical manufacturer's instructions for spraying chemicals, special safety precautions must be covered in fruit, flower and vegetable gardens, on trees and bushes and on other plants...or disposing of personal injury. Be sure that you how to the sprayer itself.
2
SG 20 indicates an imminent risk of its individual components. indicates a hazardous situation which, if not...
Product Instruction Manual - Page 5
... any substance (drugs, alcohol, etc.) which might be used .
Wear rubber/chemicalresistent boots. SG 20
3 the use this backpack sprayer.
Proper Clothing
Warning! Backpack sprayers may usually also be aggravated by NIOSH/MSHA for the chemical you are spraying.. Different models may reach head height, wear a wide brim hat or other suitable head...
Product Instruction Manual - Page 6
...not be used with the pump module provided. Each category will have it is tight (no leaks) and that the controls...Mix only compatible pesticides and/or herbicides. Do not transfer spray materials to do not overuse.
Dispose of doubt, have ...irritating. Familiarize yourself with state or federal laws and regulations.
4
SG 20 Do not eat, drink, or smoke while handling chemicals or ...
Product Instruction Manual - Page 7
...SG 20
5 Follow the manufacturer's recommendations for the exact amount. Also, check for leakage while refilling and during operation. the chemicals being sucked into contact with no extra solution left in a vehicle; Warning! English
Warning! Before Spraying...18 l).
Warning! See the Specifications for proper storage. A leak from solutions that are too strong, make sure that chemicals ...
Product Instruction Manual - Page 8
...You may also consult your size before starting work against the wind.
When spraying, stand so that the wind or operating process does not blow the spray back on the hand ... authorities, for that have just been sprayed. In order to wear a respirator approved by spray formula.
6
SG 20
Consult the label of the chemical product being sprayed cannot be avoided, the operator and any...
Product Instruction Manual - Page 9
...sprayed with a pesticide). Have such work not described in personal injury or property damage.
Do not attempt any additional recommendations of the chemical manufacturer.
residual chemicals may result in your STIHL servicing dealer only.
Please refer to the wand (1). SG 20... chart in this backpack sprayer in the pump and the pressure chamber prior to the spray gun (2).
Product Instruction Manual - Page 10
After completing assembly, do not use the sprayer if it is leaking. N Adjust the harness straps so that the backplate fits snugly and securely against your back.
Loosening the ... straps
Tightening the harness straps
N Mount the hand lever (4) with clean water to check the sprayer for leaks -
N Pull the ends of the sliding adjusters.
8
SG 20
do a test run with the screws (5).
Product Instruction Manual - Page 11
mark -
N Oil the pump piston (1). N Put the sprayer on a level surface. N Operate the hand lever (2) slowly and steadily with grease and in the cap (3) must always be well lubricated with the gun closed - 8 to 10 strokes are required to build up with thoroughly mixed spray solution - SG 20
9
N Fit the cap and tighten it down...
Product Instruction Manual - Page 12
...pump and spray until the tank and hose system are empty and no longer under pressure or with spray solution in the tank.
N Empty the tank in the spray gun. N Dispose of any residual spray... 3 to 6 times per minute to adjust the spray pattern.
the trigger is locked.
10
SG 20 N Rotate the nozzle (2) to maintain a uniform spray pressure. Do not store the sprayer under pressure.
...
Product Instruction Manual - Page 13
Complete machine
Visual inspection (condition, leaks) Clean
Filter in spray gun
Clean
Tank, pipe and hose system
Drain Clean
Tank, pressure vessel, pipe and hose system Visual inspection (condition, leaks)
Pump piston
Lubricate with oil
Gasket in cap
Lubricate...required
English
X X X X X
SG 20
11 Maintenance and Care
The following intervals apply to normal operating conditions only.
Product Instruction Manual - Page 14
Stores pressure produced by pump and the pressurized spray solution.
3. Opens and closes the valve. SG 20 Pressure Vessel. Backplate. For carrying the sprayer.
4.
Harness. Spray Gun. Filter in Spray Gun. Helps prevent impurities entering and blocking the nozzle. Helps to protect the user's back.
2. Starts and stops spray jet.
5. English
Main Parts
5
6
7
4
2 3
1 #
9
8...
Product Instruction Manual - Page 15
Nozzle Holder. Vent. Gasket. Pump. Holds spray gun when it is not in (1 m) 4.75 gal (18 l) 11.5 lbs (5.2 kg)
English
Special Accessories
Contact your product. SG 20
13 6.
Spray Wand. Nozzle. Closes the spray solution container.
9. Seals the container.
11. Container. Contains the spray solution.
13. Hand Lever.
Specifications
Spray rate:
Tank capacity: Weight:
61 ...
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