Stihl Sr 420 - Page 25

24
English / USA
SR 340, SR 420
: The discharge rate can be infinitely
varied by turning the metering knob
(2) on the nozzle (3).
: Position 1 = minimum flow rate
: Position 6 = maximum flow rate
The required number on the metering
knob must be lined up with the molded
lug (4) under the knob.
Discharge rate without pressure
pump
1)
Discharge rate without pressure
pump, with ULV nozzle
1)
1)
Table shows the mean discharge
rates at full throttle with spray tube at
0° and 30° to horizontal.
Discharge rate with pressure pump
(special accessory)
Discharge rate with pressure pump
(special accessory) and ULV nozzle
2
4
1
6
5
4
3
2
372BA005 KN
3
Knob
position
Discharge rate (l/min)
SR 340 SR 420
10.080.12
20.410.44
30.850.86
41.281.27
51.591.58
61.811.81
ULV nozzle Discharge rate (l/min)
SR 340 SR 420
0.5 0.03 0.03
0.65 0.06 0.07
0.8 0.10 0.10
Metering
nozzle
Discharge rate (l/min)
SR 340 SR 420
1.0 0.57 0.64
1.6 1.70 1.88
2.0 2.90 3.13
ULV nozzle Discharge rate (l/min)
SR 340 SR 420
0.5 0.10 0.10
0.65 0.16 0.20
0.8 0.28 0.42