Mesto MAXIMA 3238, Instructions For Use Manual

11

Never use pressure sources other than origi-

nal MESTO pumps or MESTO compressed 

air filling valves.

Doing so may cause the pump, the screw 

cap or the valve to be hurled off causing inju-

ry and the sprayer could also explode.

Avoid naked flames when spraying combus

-

tible liquids.

Fire and explosion hazard! 

Have damaged and/or inoperable parts re-

placed immediately by our technical service 

team or one of our authorised dealers.

Due to the risk of contamination:
- Wear suitable protective clothing when  

spraying harmful substances.

- Do not spray into the wind.
- Do not spray substances at other persons, 

animals or in open waters.

- Never aim hose ends at other persons or 

yourself.

- Do not blow through any blocked nozzles or 

valves in an attempt to clean them.

Never repair or alter the tank yourself.

Explosion hazard!

3 .2 . Intended Use

The device is intended exclusively for spray-

ing pesticides, including herbicides, in the 

concentrations indicated by the substance 

manufacturer.

3 .3 . General Information

Substances, other than those indicated 

above and the aforementioned excluded 

applications constitute improper use.
We are not liable for any damages or injuries 

resulting from improper use and for any user 

changes to the sprayer.
Use of the sprayer for the intended purpose 

also means that these Instructions for Use 

have been read and observed!
These compression sprayers are not suitable 

and may not, under any circumstances, be 

used with:
- Very viscous, adhesive or residue-forming 

liquids (dyes, greases) that cannot be fully 

cleaned out of the sprayer.

- Do not leave the sprayer in the sun.
- Do not leave the sprayer pressurised for 

more than 1 hour. For safety, pull-up the 

knob from the safety valve (Figure 15).

- While pumping, always observe the piston-

type pressure gauge and do not exceed 

the permissible operating pressure (see 

Technical Data).

- Always operate and carry the sprayer in an 

upright position.

- After use and prior to maintenance activi-

ties, completely depressurise the tank. 

 Pull-up the knob from the safety valve until 

the tank is depressurised (Fig. 15).

4 Scope of delivery 

(Figure 1a or 1b)



Keep the Instructions for Use so you can 

refer to them at a later date. Do not throw 

away! 

5 Initial Assembly

 Assembly Instructions, see page 3.

6 Get ready for use

 (Figure 2-12)

• Always depressurise first. Pull-up the safety 

valve until air stops blowing 

(Figure 2).

• Now remove the screw cap from the tank 

(Figure 3a) 

and place the cap into the hol-

ding slot 

(Figure 3b).

• The filter can either be left in the filling ope

-

ning 

(Figure 4a) 

or placed inside the cap 

(Figure 4b).

• Fill the tank with the spray liquid. Observe 

max. filling level (5 l) 

(Figure 5)

. The filling 

level can be read-off from the graduated 

window (most conveniently from inside to 

outside through the filling opening).

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