Microfit Powerpack Pro
Microfit Powerpack Pro
CONTENTS
Page Page
Description... KERLE EEE 1 Spraying....................eemeeneeee e. 6
Safety EN 2 After spraying ..........—.....m.ecenirooo. 9
Operator protection ............*... FO. 2 Troubleshooting...............emesereee 11
Preparing for spraying...........—....... 3 Parts diagram (handle)................. ve 12
Mixing and filling ............. errereniieenes 4 Partslist (handle).......... nncenacaneccoeneos 13
Spray mix calculation... 5 Parts diagram (Herbaflex lance) ...... 14
Calibration.....….…rrersereeneceneensennss 6 Parts list (Herbaflex lance) .............. 15
DESCRIPTION
The Microfit Powerpack Pro System is a lightweight hand held Controlled Droplet
Application (CDA) sprayer with interchangeable lances, designed to apply herbicides
in controlled droplet sizes of between 200 and 300 microns (about 4 times the
diameter of a human hair).
The standard unit consists of a Powerpack Pro handle and a Herbaflex spray lance
which allows application of narrow bands of herbicide in the range of between 10 cm
(4") and 45 cm (18"). An electronic disc braking system gives immediate shut off of
spray liquid and allows the sprayer to be used for spot treatments when fitted with the
Herbaflex lance. Other spray lances available as optional extras include the Herbi
which gives a fixed swath of around 1.2m (4 ft) and the Herbi Twin which gives up
to 2.4m (8 ft).
The unit is gravity fed with flow rate being determined by the choice of colour coded
feed nozzle. The sprayer is powered by 4 torch batteries (D cell/R200) which give
approximately 15-20 hours spraying. The weight of the sprayer ready to use
(excluding spray tank) is 1.56 kg.
To spray liquid reservoir
Dual control liquid xP
flow valve and electric
on/off switch
Master electric switch
Spray feed tube —
Spray head
Optional Extras
Spray lance
5 litre Backpack Spray Shield
SAFETY
Using agrochemicals is a hazardous process. Operators should comply with all rele-
vant legislation and/or regulations governing the use of agrochemicals and must use
appropriate personal protective equipment (see 'OPERATOR PROTECTION).
Never use the Powerpack Pro in potentially explosive atmospheres or spray flamma-
ble liquid through it.
Always read the product label carefully to discover:-
+ approved applications
+ maximum dose rates
+ maximum number of treatments
- + operator protection required
+ necessary environmental protection measures
N.B. 'Dose rate' refers to the amount of chemical product applied per hectare.
Never eat, drink, or smoke when working with agrochemicals. After using agro-
chemicals or handling equipment wash your hands thoroughly. Keep people
(especially children) and animals out of areas being sprayed.
Always store agrochemicals safely to protect people and animals, and to safeguard
the environment (take special care to avoid water pollution). See 'SPRAYING' sec-
tions for guidelines on safe use of the Powerpack Pro in operation.
OPERATOR PROTECTION
Always wear the protective clothing items listed on the product label for mixing and
filling. The minimum protective clothing recommended for spraying with the
Powerpack Pro is:
+ long trousers
+ long sleeved shirt |
+ rubber gloves and boots =
+ face shield
Note:
a) Acoustic information: the sound pressure level at the operator's ear does not exceed
70 dB(A).
b) Vibration: the weighted RMS acceleration value at the hands when using this
machine does not exceed 2.5 m/sec?
PREPARING FOR SPRAYING
Before using the Powerpack Pro for the
first time, fit four batteries (D cell/ R
20PP) into the handle. This is done by
removing the master electric switch and
inserting the batteries, flat end first so
that the positive terminal connects to
the switch. When inserting the batteries
care should be taken to avoid trapping
the red wire leading the master electric
switch between the switch and the top
battery.
Connect the spray lance to the electrical —
socket on the handle ensuring that the Z
white button locates properly. Check NF
that the motor runs properly by first A
switching on the master electric switch
and depressing the dual control switch
briefly. It should be possible to hear the
atomiser disc spinning.
Connect the spray feed tube from the
spray lance into the dual control switch
on the handle.
Connect the chemical delivery tube from the Powerpack Pro handle to the backpack
ensuring that the dual control switch is in the closed position.
The Powerpack Pro is now ready to spray.
MIXING AND FILLING
Mixing and filling is generally the most hazardous process in the spraying operation.
Always follow the label instructions. Always use a filter (fitted in the Micron
Micropak backpacks) and use a funnel if filling a container with a small neck. Only
mix enough spray for the area to be treated thereby avoiding the need for disposal of
unused spray mix.
Always wear gloves when handling Always use the correct equipment
agrochemicals and equipment. when mixing and measuring,
| DD TN
1/2
Always wash off any skin
I ]
contamination. a wa s clean all equipment after
The Powerpack Pro can be used to apply either ready to use CDA herbicide
formulations or standard formulations which are mixed on site.
Ready to use formulations require no mixing and will generally state on the label the
total volume application rate to use. If this is the case the sprayer should be
calibrated before using the first time with any new product (see 'Calibration')
In some cases the product label will make specific reference to the correct colour
coded Powerpack Pro feed nozzle to be used. In this case calibration is unnecessary,
though it may be advisable to check the flow rate from time to time.
SPRAY MIX CALCULATION
If using standard herbicide formulations a CDA rate may be indicated on the label. If
not then it will be necessary to calculate the concentration of the spray mix to be
applied. With the Powerpack Pro herbicides are usually applied in around 20 litres
total spray volume per hectare, except for glyphosate which can be applied at
volumes as low as 10 litres per hectare. These are lower volumes than recommended
for high volume application with knapsack sprayers. Use the minimum dose rate
recommended on the label for the intended treatment and add water (or marker dye)
to make up to the volume required for application with the Powerpack Pro.
For example, if the label recommends applying a minimum of 2 litres of product
made up to 200 litres of water per hectare with a knapsack sprayer, use 2 litres of
product made up to 20 litres for application with the Powerpack Pro, i.e. a spray mix
concentration of 10%.
Examples of mixing spray for one hectare
Do not use herbicide concentrations greater than the maximum recommended on the
label (unless specific training or recommendations have been given) if the label:
a) specifically prohibits use of ‘Reduced Volumes’ i.e. increased concentrations;
b) has a statutory requirement for use of personal protective equipment when using
the diluted product at high volumes (N.B. this will appear in the statutory box on
the label); or
Cc) carries one of the following hazard ratings: 'very toxic', 'toxic' or 'corrosive' or
carries the warning 'risk of serious damage to the eyes' e.g. paraquat (Gramoxone)
which is classified as toxic should not therefore be used through the Powerpack
Pro at concentrations greater than recommended on the label.
Micron do not generally recommend using spray mixes more than ten times the
maximum concentration recommended for high volume application with knapsack
sprayers. The safest product and lowest dose rate appropriate for the treatment
should be used at all times.
CALIBRATION
Refer to the advice given by your chemical supplier for instructions as to which
colour-coded feed nozzle is most appropriate for the product in question. If no advice
is given, it will be necessary to calibrate the sprayer.
To help calibrate the Herbaflex lance a calculator disc is provided with the sprayer.
This is used as below:
1. Decide the total spray volume application rate to be used. A CDA rate may be
indicated on the label of the product. If not, as a general guide, use 10 - 15 1/ha (total
spray volume) for glyphosate and 20 l/ha (total spray volume) for other herbicides.
2. Decide the swath (band) width you 3. On the calculator disc align the swath
wish to use (e.g. 30 cm) and set the (band) width (in cm) with the total
angle of the head accordingly (see volume application rate (e.g. 20 1/ha) as
below). determined in 1. above,
IH WIDTH
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4. Having fixed the swath (band) width 5. Read off the feed rate required to
and application rate select the preferred give the correct application rate. (e.g.
walking speed (2km/hr = Slow, 3km/hr 30 ml/min with 30 cm swath (band)
= Medium, 4 km/hr = Fast). width and walking speed of 3 km/hr to
apply at a volume of 20 1/ha).
6. Fit the feed nozzle which gives the flow rate closest to that desired and adjust
your walking speed accordingly. The following table is a guide to flow rates through
different nozzles. Actual flow rates will vary considerably according to product and
6
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should be checked using the chemical mix to be applied. If using ready to use CDA
formulations or marker dyes then the flow rate for these will generally be lower than
for water-based spray solutions.
= Feed -
Nozzle
White Brown Blue
Flow rate (ml/min)
Thin liquids (e.g. water based spray
solutions) 30 45 Do not use
Thick liquids (e.g. ready to use CDA
formulations) 10-15 15-25 25-35
The width of the spray band produced
will depend on the angle of the spray
head to the ground.
This is adjusted by partially unscrewing
the wing nut (1), altering the angle of
the spray head on the lance (2) and re-
tightening the wing nut to lock the spray
head in the new position.
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If the spray head is horizontal the spray
will project ahead about 0.6 metres and
spread 0.5 metres
The lance should be held so that the
angle of the lance to the ground is 35°-
40° and the spray head is 5-7 cm above
the ground.
If the spray head is angled downwards
the band width will be reduced.
SPRAYING
A single dual control switch controls
both the flow of liquid to the head and Il
power to the spinning disc. Press the
lever down (1) for treating small areas
and down and forwards (2) for
continuous spraying. To stop the flow,
pull back the lever and release (Le.
closed position). For safety in
transport, the valve can be locked in the
off position by pushing the lever
forward (3).
If the master electric switch is in the off position the dual control switch will regulate
liquid flow only.
To start spraying, first switch on the master electric switch. Then switch on the dual
control switch and, as soon as the product reaches the nozzle and spray is produced,
start walking.
To stop spraying release the dual control switch by pulling back the lever. This will
immediately shut off the liquid flow to the nozzle and power to the disc motor. The
Powerpack Pro has an electronic braking system which stops the disc spinning
immediately after the power is switched off. This makes it suitable for spot spraying
and for treatment around trees etc. If stopping spraying temporarily (e.g. between
trees) then there is no need to switch off the electric power at the master electric
switch. Proceed to the next area to be sprayed and press down the dual control switch
to begin spraying again.
If stopping spraying for any length of time, it is advisable to also switch off power at
the master electric switch and drain any liquid left in the atomiser cone housing and
feed tubes back into the backpack.
To do this first ensure that the master electric switch is in the off position and raise
the head of the Herbaflex lance above the level of liquid in the backpack. Then open
the dual control switch and allow liquid to drain back into the backpack. When all
the liquid has drained close the switch and lock in the closed position.
AFTER SPRAYING
After spraying the Powerpack Pro should be thoroughly cleaned to remove any
chemical residues. This can be done either with a mild soap solution or, ideally, with
a specialist cleaning fluid provided by your chemical supplier.
Connect the backpack containing cleaning fluid to the Powerpack Pro handle and
spray out onto waste ground or a non-crop area until the feed tubes and the spray
liquid emitted appear clean.
Wipe down the sprayer with a damp
cloth and remove the batteries. Do not
immerse the spray head in water or
clean under a tap as this will result in
damage to the electric motor.
From time to time it may be necessary to clean the atomiser disc. To access the
Xx : Mo : :
, -
atomiser disc, the atomiser cone housing must first be removed.
To do this first remove the feed nozzle
by pulling it out of the bottom of the
atomiser cone housing (1). Then
remove the atomiser cone housing by
rotating it an eighth of a turn clockwise
(as viewed from above) to unlock the
bayonet keyhole fitting (2) and pull it
away from the bottom of the motor
housing (3). The atomiser disc can be
removed from the atomiser cone
housing and cleaned in soapy water.
using a soft brush.
When refitting the atomiser disc it is important to ensure that it is correctly located in
the atomiser cone housing and motor housing to avoid damage.
tomiser di
4 —— Atomiser disc
Bayonette
_—"key-hole
Motor shaft
First, lower the atomiser disc into the Then fit the motor housing, taking care
atomiser cone housing ensuring that the to ensure that the motor drive shaft is
disc shaft seats on the ball in the bottom correctly inserted into the slot on the top
of the atomiser cone assembly. of the atomiser disc. Push the screws
into the bayonet keyhole slots in the
motor housing and twist to lock the
assembly together.
Check that the atomiser disc is correctly fitted by shaking the spray head. If the disc
can be heard rattling this means that it is fitted correctly and will spin freely.
Refit the feed nozzle, ensuring that the sealing o-ring is in place and in good
condition.
Before storing the Powerpack Pro for long periods the batteries should be removed
to avoid corrosion.
10
TROUBLESHOOTING
A)
B)
C)
Atomiser disc spins but does not spray or sprays irregularly. Check:
- the feed nozzle. If the feed nozzle is blocked remove and soak in soapy
water. Never blow through the nozzle with your mouth.
- that the feed nozzle gives a flow rate within the operating range.
- that the atomiser disc is clean and undamaged. Clean or replace.
- the flow control valve and backpack feed tube for blockage.
Atomiser disc fails to spin or spins unevenly. Check:
- that the batteries are fitted correctly.
- the condition of the batteries. Replace if necessary.
- that the red wire to the master electric switch is not trapped between the
switch and battery preventing conact.
- that electrical terminals and contact points are clean and that electrical wires
are not broken or corroded.
- the motor for corrosion or obvious signs of wear. Replace if necessary.
- that the plug is in the socket.
- that the atomiser disc and atomiser cone housing are fitted correctly.
Spray liquid spills from the atomiser cone during spraying:
- angle of the spray head to the ground is too great - reduce the angle
- flow rate too high - fit feed nozzle with lower flow rate and reduce walking
speed accordingly
11
PARTS DIAGRAM - HANDLE
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PARTS LIST - HANDLE
PART NO.
3070
3168
3456
3673
4318
4339
4401
4420
4533
4646
4749
4758
4802
4877
4905
4915
4917
4918
4939
4954
4957
4958
5027
5050
5089
5104
5109
5112
5156
5157
5158
5159
5160
5162
5190
5191 -
5201/4
6244
6048
6049
6050
6051
6052
6053
4993/100
5130
5776B
6028
DESCRIPTION
SPRING, BATTERY
WASHER, 1/4" I/D PLAIN STEEL
SCREW, NO.6x1/4" S/T
NUT, 2BA PLAIN STEEL
SCREW, 2BAx1" SLOTTED PAN HD.
SCREW, NO. 6x1/2" S/T
SCREW, NO. 2x3/8" S/T
NUT, 2BA NYLOC
GRIP, 7/8" I/D, PVC
SCREW, NO. 6x3/8" S/T
CONNECTOR, 8MM HOSE
SCREW, NO. 4X5/16" S/T
SCREW, NO. 14x1/2" S/T
WASHER, 2BA FLAT BRASS
SWITCH COVER
SCREW, M5x16 HEX HD S/S
VALVE, LEVER
SWITCH, ON/OFF
SCREW, NO. 4x1/2" S/T
WASHER, 1/4" 1D BRASS
LABEL, BATTERY
LABEL, ON/OFF
SCREW, NO. 4x3/8" S/T
(TAG, 1/4" FLAG)
STRAP RETAINING CLAMP
(CONNECTOR, SOCKET)
SCREW, M3x6 PT
NUT, M5 NYLOC, THIN
INSERT, ROUND
HANDLE
SWITCH PROTECTOR
NUT, M8, NYLOC
WASHER, M8 FLAT STEEL
SWITCH END PIECE
CONNECTOR, MICROSWITCH
MICROSWITCH
WIRE, 0.5mmsq. x40cm long, ROUND, TWIN
WASHER, SHIM, NYLON (AS NEEDED)
BRAKE, ELECTRONIC ASSY.
BATTERY CASE, 485 LONG
ELECTRIC PLUG, BRAKE, RAD. HALF
ELECTRIC PLUG, BRAKE, FLAT HALF
SLEEVE, BRAKE
CENTRE CONNECTOR
TUBE 6x9x1000 long PVC
LABEL, MICROFIT
TAP
CLIP, 9.1MM, HOSE, SELF-TIGHTENING
13
0,10R
PARTS DIAGRAM — HERBAFLEX LANCE
5103
5085
3205/62
3280/62
vi _ Л B-— 4907
4960
== 495
4900 — > Y 4901
—
5487
uns —Y
O—— 5317
4897 5316
20764 > 4939
4911 — — —# 4309/96
49104:
4896A
4908A
4943 N 4930A ,
on —S$ 5151 50494
14
>.
PARTS LIST — HERBAFLEX LANCE
PART NO. DESCRIPTION
4896A ATOMISER CONE HOUSING, A90 (C/W 2 X 5027)
4908A FEED NOZZLE, WHITE +'0O' RING (5151)
4910A ATOMISER BOTTOM CONE ASSEMBLY
4930A FEED NOZZLE, BLUE +'0' RING (5151)
5049A FEED NOZZLE, BROWN +'0' RING (5151)
5076A ATOMISER DISC ASSEMBLY
5486B MOTOR ASSEMBLY
4309/96 TUBE, 5MMI.D, X 8MMO.D., PVC - 0.96M
3205/62 WIRE, 0.5 MM2, BLACK - 0.62M
3280/62 WIRE, 0.5 MM2, RED - 0.62M
5105/42 TUBE, 16.00 MM O.D, 16SWG, ALUMINIUM - 0.42M
4941/15 CABLE SLEEVE, 6MM O.D., PVC -0.15M
3472 SCREW, NO. 6 X 1/4", S/T (AB)
4647 SCREW, NO. 6 X 1/2", S/T, CSK (B)
4747 CLIP, P
4897 MOTOR HOUSING
4898 TUBE/HANDLE CONNECTOR
4900 MOTOR COVER
4901 EXTENSION TUBE PIECE, HEX
4907 WING NUT
4911 DEFLECTOR
4915 SCREW, M5 X 16
4916 MOTOR TERMINAL COVER
4921 NUT, M5, DOME, NYLON
4939 SCREW, NO. 4 X 1/2", S/T
4943 WASHER, SMM, FLAT, NYLON
4960 WASHER, 4BA, BRASS
5085 ELECTRICAL SOCKET
5086 PUSH BUTTON |
5088 VALVE/HOSE CONNECTOR
5101 SPRING
5102 UNION NUT
5103 CONNECTOR PIN
5127 SCREW NO. 4 X 1/4", PANHEAD, S/T (B)
5132 LABEL, HERBAFLEX
5151 O' RING
5316 O' RING
5317 O' RING
5399 SCREW, NO. 6 X 3/8", S/T, PANHEAD,
5487 MOTOR SPACER
ACCESSORIES (not shown)
5137A MEASURING CUP, 50 ML + CAP
5264 CALCULATOR, HERBAFLEX (not shown)
OPTIONAL EXTRAS (not shown)
5074A ATOMISER CONE HOUSING, B120 (C/W 2 X 5027)
5140A FEED NOZZLE, YELLOW +'0O’' RING (5151)
SI41A FEED NOZZLE, ORANGE +'0' RING (5151)
5142A FEED NOZZLE, RED +'0' RING (5151)
5171A SPRAY SHIELD (FOR USE WITH ATOMISER CONE HOUSING A90)
15
QTY.
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Da ADA ANNAN AAA A A A em RA a
Fe
DECLARATION OF CONFORMITY
Name of manufacturer or supplier:
Full postal address:
Country of origin:
Post code:
Description of Product:
N
Name and model number of machine:
Place of Issue:
Name of authorised representative:
Position of authorised Representative:
DECLARATION:
Micron Sprayers Ltd.
Bromyard Industrial Estate,
BROMYARD, Herefordshire
England
HR7 4HS
Battery powered, hand-held
agricultural spraying
machine.
MICROFIT POWERPACK PRO
WITH HERBAFLEX LANCE
Bromyard, England
G. S. Povey
Joint Managing Director
I declare that as the authorised Representative, the above information
in relation to the supply/manufacture of this product is in conformity
with the requirements of the Machinery Directive 89/392/EEC as
amended by 91/368/EEC, 93/44/EEC and 98/37/EC and complies with
the relevant essential health and safety requirements.
Signature of authorised Representative:
bs
Tuesday,
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