Metering Unit
Nozzle with metering unit
The flow rate can be infinitely varied by means of the
metering knob (1) on the nozzle (2). Metering knob
position "1" is the minimum flow rate and "6" the
maximum.
The required number on the metering knob (1) must be
lined up with the molded lug (3).
The numbers on the metering knob (1) represent the
following spray rates:
Checking the metering unit (without booster pump)
1.
Spray rate without booster pump
-
Place the unit on the ground.
Metering
knob
Spray rate
SR 320, SR 400
with baffle
I/min (US gal/h)
without baffle
- Fill the container with water up to the 10 liter (2 gal)
position
I/min
(US gal/h)
mark.
-
-
-
Set metering knob (1) to position 6.
Start the unit (baffle removed).
1
2
3
4
5
6
0.13
0.61
1.27
1.92
2.49
2.78
(2.0)
0.14
0.71
1.33
2.09
2.67
3.03
(2.3)
(9.5)
(11.1)
(21.0)
(33.2)
(42.4)
(47.5)
Hold the spray tube horizontally, run the engine at full
(20.2)
(30.5)
(39.2)
(43.9)
throttle, spray the contents of the container down to the
5
liter (1 gal) mark and make a note of the time taken.
The SR 320 and SR 400 should spray 5 liters (1 gal) fluid
within 80 to 100 seconds.
2.
Spray rate with booster pump
(metering knob position 6)
If the time required is longer, check the metering unit for
contamination and clean it if necessary. Also check the
carburetor setting and correct it as necessary.
Spray rate I/min
(US gal/h)
SR 400
Metering
nozzle
SR 320
If there is no noticeable improvement, please contact your
STIHL dealer for assistance.
1
2
3
0.53
1.42
2.44
(8.3)
0.57
1.54
2.32
(9.1)
(22.5)
(38.8)
(24.5)
(36.8)
27
| Categories | Backpack Sprayer Manuals, Blower Vacuum and Sweeper Manuals, STIHL Backpack Sprayer Manuals, STIHL Blower and Vacuum Manuals |
|---|---|
| Tags | STIHL SR 320, STIHL SR 400 |
| 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 |
(2 votes, average: 4 out of 4)
Lawn and Garden readers have rated STIHL SR 320 400 Blower Power Sprayer Owners Manual 4.0 out of 4.0 based on 2 product reviews. Stilh power spray blower was excellent
Stilh power spray blower was excellent