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– 3

In addition to the wet jet appliance, you will 
need a nozzle package. The nozzle pack-
age must be adjusted to the high pressure 
cleaner used.

Unscrew the nozzle from the spray pipe 
of the high pressure cleaner.

Install the nozzle holder of the wet jet 
appliance on the spray lance with the 
spray nozzle installed.

Screw the nozzle holder tightly onto the 
spray lance.

Loosen the clamping screw of the noz-
zle holder.

Rotate the nozzle holder until the spraying 
agent hose is pointing toward the top.

Tighten the clamping screw of the noz-
zle holder.

Caution

Increased risk of damage when using a bo-
ron carbide spray nozzle. Boron carbine 
spray nozzles are sensitive to impact. Do 
not use a hammer for the installation or re-
moval. Do not overtighten the clamping 
screw of the spray nozzle.

Insert the spray nozzle into the nozzle 
holder.

Tighten the spray nozzle clamping 
screw.

Fasten the spraying agent hose to the 
spray lance using clamps. Do not stretch 
or kink the hose.

Insert the suction pipe into the spraying 
agent container or the spraying agent 
bag.

Note:

Keep the spraying agent dry. Wet spraying 
agent will cause malfunctions.

Start up the high pressure cleaner.

Press the lever on the hand spray gun.

Perform the spraying task.

Note:

Dispose of the used spraying agent accord-
ing to the local provisions.

The volume of the suctioned spraying 
agent is adjusted on the air bore and the 
spraying agent bore. 

Open the spraying agent bore.

Close the air bore.

Close the spraying agent bore.

Open the air bore.

Before Startup

Nozzles packet
Nozzle size

Order No.

35

2.638-526.0

40

2.637-900.0

45

2.637-901.0

50

2.637-902.0

55

2.637-903.0

60

2.637-904.0

65

2.637-905.0

70

2.637-906.0

75

2.637-907.0

80

2.637-908.0

100

2.637-910.0

Born carbide nozzles (low wear)

up to 1,000 l/h

6.415-084.0

from 1,000 l/h

6.415-083.0

Start up

Operations

Adjust the spraying agent volume 

(for 4.762-010.0 only)

Increase the spraying agent volume.

Decrease spraying agent volume

Standard setting

Spraying 
agent grit

Spraying 
agent bore

Air bore

8

3/4 open

1/2 open

9

1/2 open

3/4...1 open

9

EN

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