Nomix Enviro Stem Master Manuel utilisateur
Safe and effective
control of invasive
weed species
INSTRUCTIONS
stemmaster
Contents
Section 1:
Introduction 3
Section 2:
Component List 4
Section 3:
Preparing the Stem Master for Use
Personal Protective Equipment (PPE) 6
Connecting the needle 6
Filling the bottle with herbicide 6
Checking for leaks 7
Priming 7
Calibrating 8
Section 4:
Operating the Stem Master 9
Section 5:
Cleaning the Stem Master 10
Section 6:
Storing the Stem Master 11
Section 7:
Servicing 13
Section 1: Introduction
The Stem Master is a highly accurate herbicide
applicator. Based on medical apparatus, it delivers a
calibrated dose of herbicide directly into the stem of
the weed.
We have designed the Stem Master to be robust and
easy to use. It is supplied in a hard case for easy and
safe storage when not in use.
The Stem Master should only be used with label
approved herbicide products.
The Stem Master is supplied with two
inter-changeable needles.
3
Section 2: Component List
1 Two needles (with guard)
2 Trigger
3 Handle grip
4 Piston assembly
4
5 Bottle
6 Air Intake Valve
7 Allen Key
8 Grease
5
Section 3: Preparing for Use
ALWAYS READ BEFORE USING
THE STEM MASTER
Personal Protective
Equipment (PPE)
The minimum PPE
recommended for use is:
• Coveralls
• Face shield
• Suitable protective gloves
• Wellington boots.
Always refer to the herbicide
product label for the
recommended PPE.
Connecting the needle
• Select the appropriate needle
• Fit the needle guard to the
needle and secure it by
tightening the grub screw on
the guard
• Smear a light coating of
silicone grease on the end of
the needle (where the o ring
is located)
• Loosen the three grub screws
on the needle adaptor
• Insert the needle into the
adaptor, so that the hole
in the needle is facing
downwards when the Stem
Master is held upright
• Secure the needle by equally
tightening the three grub
screws on the needle adaptor.
Filling the bottle with
herbicide
• Hold the Stem Master upside
down and unscrew the bottle
in a clockwise direction. Place
the Stem Master in a safe
location
6
• Fill the bottle with the required
amount of herbicide (up to
200ml)
• Take care to avoid spillages
during filling. Follow local
emergency procedures should a
spillage occur
• With the bottle on a suitable
surface, hold the Stem Master
upside down and insert the air
breather tube into the bottle
• Firmly hold the Stem Master and
the bottle. Turn the bottle in an
anti-clockwise direction to
tighten.
Checking for leaks
Hold the Stem Master in an upright
position and check carefully for any
leaks around the bottle, trigger and
air intake hole.
If a leak is found:
Bottle – tighten the bottle/cap
Air intake hole – remove the bottle,
decant the herbicide and contact
Nomix Enviro
Trigger – contact Nomix Enviro
Priming
It is important to prime the Stem
Master before use.
Point the needle into a container
and squeeze the trigger between
two and four times, until fluid
emerges from the needle and all air
is expelled from the unit.
Please Note: When the Stem
Master is held in the correct
position, the herbicide delivery
aperture is located on the
underside of the needle.
7
Section 3: Preparing for Use (cont.)
Calibrating
The Stem Master is an accurate
herbicide delivery system,
calibrated by a simple twist
adjustment dial on the end of the
handle grip.
• The calibration dial is
graduated in 0.5 ml increments
and locks into place in 1 ml
increments
• To increase the amount of
herbicide applied, turn the
calibration adjustment dial in a
clockwise direction
• To reduce the amount of
herbicide applied, turn the
calibration adjustment dial in
an anti-clockwise direction
• When the trigger is squeezed,
the calibrated amount of
herbicide will be dispensed
through the needle
• Always calibrate to the
product label instructions.
The Stem Master is now ready
to use.
8
Please Note: The size of the plant
stem should be approximately
30mm in diameter. Plants will
normally ‘take up’ the herbicide
within 20 minutes of the injection.
• Holding the Stem Master upright,
insert the needle into the stem,
midway between the lower
nodes
• Ensure the needle has pierced
the stem on both sides. This
allows any pressurised water in
the stem to escape
• Squeeze the trigger and the
calibrated amount of herbicide
will be delivered into the
stem cavity
• Releasing the trigger
automatically reloads the Stem
Master with the calibrated
herbicide dose, ready for the
next application.
SAFETY PRECAUTION: Use the
allen key supplied to tighten the
grub screw on the needle guard,
if it requires tightening. The Stem
Master should not be used without
the needle guard attached.
Always be careful when handling
the Stem Master, as the needles are
extremely sharp.
Section 4: Operating
nodes
9
Section 5: Cleaning
The Stem Master should be
cleaned at the end of each
day’s use.
• Prepare a bowl of soapy water
and have absorbent material
available
• Turn the Stem Master upside
down and unscrew the bottle
by turning it in a clockwise
direction. Place the Stem
Master safely to one side
• Decant any unused herbicide
back into the original
container and place the Stem
Master bottle safely to one
side
• Remove the handle grip by
twisting it in a clockwise
direction and pulling it down
to release
• Immerse the Stem Master
in soapy water, without the
bottle and the handle grip
attached
• Whilst the Stem Master is in
the water, squeeze the trigger
several times
• Triple rinse the bottle and
clean the handle grip
• Allow the bottle, handle grip
and Stem Master to dry
• Once the Stem Master,
handle grip and bottle are
dry, reattach the handle grip
by pushing it onto the piston
assembly and secure in an
anti-clockwise direction
• Reattach the bottle by firmly
holding the Stem Master and
turning the bottle in an anti-
clockwise direction.
10
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