English / USA
Specifications
EPA / CEPA:
SR 340
Spraying Attachment
The Emission Compliance Period
referred to on the Emissions
Single cylinder two-stroke engine
Container capacity: 3.4 gal (13 l)
Size of filler strainer
Displacement:
2.74 ci
Compliance Label indicates the number
of operating hours for which the engine
has been shown to meet Federal
emission requirements.
(44.9
cm3)
mesh:
0.04 in (1 mm)
Bore:
Stroke:
Idle speed:
1.61 in (41 mm)
1.34 in (34 mm)
3,100 rpm
Discharge rate
SR 340:
0.03-0.7 gpm
(0.13-2.78
l/min)
Category: A = 300 hours,
SR 420:
0.04-0.8 gpm
B = 125 hours, C = 50 hours
(0.14-3.03
(infinitely
variable)
l/min)
CARB:
SR 420
The Emission Compliance Period used
on the CARB-Air Index Label indicates
the terms:
Single cylinder two-stroke engine
Quantity left in
container:
Displacement:
3.45 ci
0.026 gal
cm3)
(0.1 l)
(56.5
Extended = 300 hours, Intermediate =
(design related)
Bore:
Stroke:
Idle speed:
1.81 in (46 mm)
1.34 in (34 mm)
3,100 rpm
125
hours, Moderate = 50 hours
Blower Data
Fuel System
Carburetor:
All position
diaphragm
carburetor with
integral fuel
pump
Air velocity
SR 340:
Ignition System
210 mph
(94 m/s)
Type:
Electronic
magneto ignition
SR 420:
226 mph
(101
m/s)
Spark plug
Fuel tank capacity: 50 fl.oz. (1.5 l)
Fuel mix:
(resistor type):
Bosch WSR 6 F
or
Maximum air flow rate without blowing
see chapter on
attachment
“Fuel”
NGK BPMR 7 A;
SR 340:
SR 420:
689 cfm
Electrode gap:
0.02 in (0.5 mm)
(1170 m3/h)
742 cfm
Weight
(1260
m3/h)
Air flow rate with nozzle
Dry
24.5 lbs (11.1 kg)
24.5 lbs (11.1 kg)
SR 340:
418 cfm
SR 340:
SR 420:
(710
m3/h)
SR 420:
441 cfm
(750
m3/h)
SR 340, SR 420
37
| Categories | Backpack Sprayer Manuals, Blower Vacuum and Sweeper Manuals, STIHL Backpack Sprayer Manuals, STIHL Blower and Vacuum Manuals |
|---|---|
| Tags | STIHL SR 340, STIHL SR 420 |
| Download File |
|
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Blower Vacuum |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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