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L12 – User manual – English (EU/USA) – 15/01/2020 - ISSUE 4
9 Foamstream® application (killing
weeds)
To effectively control vegetation with the herbicide-free
Foamstream® system, you must co-ordinate all the different
elements that give a successful result. If one element is not
functioning properly, the desired result will not be achieved.
For effective results the Foamstream® system requires the:
•
Correct volume
•
Correct temperature
•
Correct method
•
Correct quantity of foam agent
This section looks at the speed and method of application.
10.1 Hose reel
The L12 unit is fitted with an automatic hose reel which
contains 20 m / 65 ft of hose as standard. The hose comes off
the bottom of the reel and is connected to the lance with a
quick-release trigger gun.
Only remove as much hose as is required.
Once finished, rewind the hose onto the reel neatly.
10.2 Speed
Operators will average approximately 2 - 4 kilometres per
hour / 1.2 – 2.5 mph, when proficient at applying the
Foamstream® with the L12. Foamstream® and the L12 are
unaffected by weather, thus ensuring overall productivity
each week is consistent.
DO NOT HURRY!
If the operator moves too quickly over the vegetation, the
required volume of hot water and foam may not have
penetrated or been applied correctly. Total vegetation control
will not have been achieved.
10.3 Use of the lance
To kill weeds effectively, the lance head must be no more than
25 mm / 0.08 ft above the ground at all times. If possible,
keep the lance head in contact with the ground. While every
element of the treatment is important, the most critical aspect
is to ensure the lance head is not lifted from the targeted area.
Control of vegetation for up to 90 days will only be achieved
if the temperature measured at the lance head does not fall
below 96
o
C. If the lance head is more than 30mm above the
ground, a less than acceptable result may be achieved due to
the rapid temperature loss.
It is recommended the operator keeps the trigger pressed, if
possible. This maintains constant flow of hot water and foam
and ensures that they are leaving the lance at the correct
temperature.
Whenever the trigger is pressed after a release, there may be
a short period (in seconds) when the temperature needs time
to warm up. Keep the trigger pressed, and when the tower
light goes green the water has warmed up to weeding
temperature.
When moving the lance head from one treatment zone to
another, release trigger and ensure the hot foam is not
applied to sensitive plant areas.
17
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