TROUBLE SHOOTING GUIDE
POSSIBLE CAUSES
PROBLEM
Pump does not
run
SOLUTION
The battery is not plugged
Plug it
Cables are not connected to the on/off switch.
Connect them
The sprayer runs only when is connected to the
Replace the battery
charger.
Intermittent
spraying
Low pressure
Pump motor
Filter is clogged
Clean it
Nozzle and tip are dirty
Clean them
Spray tip is not appropriate
Replace it with one with
higher flow rate
The battery is low
Re-charge it
Breather check is clogged
Clean and lubricate it
Filter is clogged
Clean it
Nozzle and tip are dirty
Clean them
Tank has no liquid
Fill it up
runs but it does Pump inlet hose is blocked or leaking
Clean it
not pump fluid
Clean them
Filters are clogged
User´s Manual
Electric backpack sprayers
550.025 - 550.035
Congratulations for purchasing one of the best electric sprayers in the market.
To obtain best results, we recommend you take a few minutes to read and understand
the instructions for using the sprayer, as well as its care, maintenance, and solutions guide to correct
any damages that your sprayer could get.
Besides the sprayer practically assembled you will receive the following:
1 Adjustable brass nozzle,
2 Spray tips with nut
1 Spray wand
1 Hose with spray gun
1 Tank lid
1 battery charger
To assemble the spray wand, attach it to the spray gun and then attach the adjustable brass nozzle or
one of the spray tips and nut to the end of the wand. Tighten securely by hand.
HOW TO CONNECT AND CHARGE THE BATTERY FOR THE FIRST TIME
The battery must be charged at least during 10 hours before
the unit is used for the first time.
It does not
pump fluid and
b
The breather check is clogged
Clean it
tank is
Back pad
collapsed
The battery
The battery is not plugged
Plug it
can't be re-
Battery is completely discharged and damaged
Replace it
The charger is not working properly
Replace it
charged
1. Remove the back pad taking out the screws and
washers to have easy access to the battery pack.
Velcro tape
Calle Swissmex No. 500
Col. Las Ceibas,47440
Lagos de Moreno Jalisco,
México
Fax (474) 742-0856, 742-4185
( (474) 741-2200, 741-2201
741-2202
2. Untie the Velcro tape.
www.swissmex.com
exports@swissmex.com.mx
Litho´d in México
BN550.025-0112E/EX
Rev.00
Spare parts list for model 550.025
Battery
Connector
3. Slightly take the battery out of its place and connect the
loose plug to the battery's charging jack.
4. Place the battery again in its place and tie with the Velcro
tape.
5. Place the back pad and attach it with the screws and washers.
6.- Plug the charger to an AC outlet. Connect the loose cable (on
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6” strainer for tank lid
Seal for 6” lid
Check valve for lid
Hose set
Complete spray gun with brass spindle
Spindle set
Spindle, O-ring & washer set
Plug set (cap, spring & O-ring)
20” brass spray wand
Nozzle holder
O-ring for spray tip
Plug O-ring
Washer set for spray guns
After the gun strainer (body, 50-mesh strainer &
washer)
Special buckle attachment
Shoulder strap clip
Shoulder strap clips
Padded adjustable shoulder straps (2) w/hooks
Adjustable brass nozzle
Blue tank lid & seal
Battery
Filter set
Charger assy
Protecting cap assy
Strap holder assy
Back pad assy
Pro pump assy
the lower part of the sprayer back) to the charger.
HOW TO RE-CHARGE THE BATTERY
When the spray pattern is not uniform, it is time to recharge your battery.
To prevent damage do not fully deplete the battery before recharging it. Charge the battery
every time you finish a spraying job.
There is no need to remove the battery from its tank compartment, just plug in the charger to an
AC outlet and connect it to the loose cable on the sprayer back for at least 3 hours.
In the event the unit is not used over a period of three months, the battery must be recharged to prevent damage. (NEVER allow it to be completely discharged).
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SPARE PARTS LIST FOR MODEL 550.025
FOR YOUR SAFETY AND COMFORT
659
653
659
2A 653
2CH 653
635
658
654
573 633
1AS
658
658
658
658
661
635
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658
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655
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HOW TO PREPARE YOUR UNIT FOR USE
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1.Before using, filling or cleaning any sprayer, read all parts of the operating instruction
2.Read an d follow all instructions of the chemical suppliers.
3.Wear protective clothing, respirator, gloves, eye protection, etc. whenever using, filling, or
cleaning sprayer.
4.Before and after each use, make sure all connections are well tightened to prevent leaks.
5.Never fill the sprayer with hot liquids. Max. 30ºC, or 85ºF.
6.This sprayer is made to handle agrichemicals in their usual water or oil solutions. Do not use
flammable, corrosive or caustic solutions.
7.After each use, wash the sprayer including hose, lance and spray gun with plenty of fresh wa ter.
Unless spraying is to be continued within hours, drain chemical formula and thoroughly rinse the
tank and all liquid ducts.
8.Do not leave the sprayer in reach of children or persons not qualified to handle it in proper
fashion.
9.When not in use and especially during prolonged storage keep your sprayer in a protected place
away from sun exposure.
10.Use the sprayer only for the kind of jobs for which it was designed. When in doubt, ask your
dealer.
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OFF
ON
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1. Mix solution in a separate receptacle, following manufacturer's directions on the container.
2. Using the strainer, pour pre-mixed solutions into sprayer and cap.
3. Always oil the seal on cap of unit as well as the breather check valve, this will extend life of seal and
is important for obtaining proper seal with no leaks.
4. A unit that has been used with herbicides should never be used to spray insecticides, unless the
sprayer has been properly cleaned and all other chemicals neutralized. Failure to do this could
cause you to kill plants that have been sprayed. Consult with the manufacturer of the chemicals in
use to obtain proper instructions.
5. To avoid unnecessary twisting or turning, place the sprayer on a table or waist high level surface so
you may put both arms through the shoulder straps easily.
6. To start the sprayer press the on/off button.
7. At the same time, with the wand pointed in a safe direction, open the spray gun trigger and watch
for flow to begin.
8. Once flow has begun in a steady pattern, the sprayer is ready to use.
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HOW TO CLEAN AND MAINTAIN
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1. Add 2 gallons of clean water to the tank. Start the sprayer with the wand pointed in a safe
direction, squeeze the spray gun trigger and allow the pump to run until the tank is empty.
2. Turn the sprayer off, and bleed the discharge pressure by pointing the wand in a safe direction
and squeezing the spray gun trigger for several seconds.
3. The carrying straps will not absorb chemicals, in the event of formula spill, untie the straps,
wash them with clear water and wipe the tank with a wet cloth to avoid risks of skin irritation.
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BASIC CONFIGURATION MODEL 550.035
Spare parts list for model 550.035
659
653
659
2A 653
2CH 653
635
658
1AS
658
654
573 633
658
658
658
660
635
660
658
660
660
660
660 660
660
660
635
634
633
655
655
655
655
655
655
655
633 634 635
655
657
656
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2A
2CH
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6” strainer for tank lid
Seal for 6” lid
Check valve for lid
Hose set
Complete spray gun with brass spindle
Spindle set
Spindle, O-ring & washer set
Plug set (cap, spring & O-ring)
20” brass spray wand
Nozzle holder
O-ring for spray tip
Plug O-ring
Washer set for spray guns
After the gun strainer (body, 50-mesh strainer &
washer)
Special buckle attachment
Shoulder strap clip
Shoulder strap clips
Padded adjustable shoulder straps (2) w/hooks
Adjustable brass nozzle
Blue tank lid & seal
Battery
Filter set
Charger assy
Protecting cap assy
Strap holder assy
Back pad assy
Eco pump assy
OFF
ON
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26 652
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