SAMES KREMLIN FPro S User manual

SAMES KREMLIN N° : 578.026.110-UK-1708

MANUAL AIRSPRAY GUN

TROUBLESHOOTING GUIDE

TRANSLATION FROM THE ORIGINAL MANUAL

IMPORTANT : Before assembly and start-up, please read and clearly understand all the

documents relating to this equipment (professional use only).

THE PICTURES AND DRAWINGS ARE NON CONTRACTUAL. WE RESERVE THE RIGHT TO MAKE CHANGES WITHOUT

PRIOR NOTICE.

SAMES KREMLIN SAS

13, chemin de Malacher

38 240 - MEYLAN - France



: 33 (0)4 76 41 60 60

www.sames-kremlin.com

SAMES KREMLIN - 1 - N° : 578.026.110-UK-1708

DISTORTED SPRAY

Slightly unscrew the aircap retaining ring and rotate the aircap by

one half turn. If the defect is reversed, one of the lateral air holes

is plugged up or deformed. Clean the gun aircap with solvent and

unclog the air holes with a compressed air. If the defect is not

reversed, it means that the fluid nozzle is damaged.

DISPLACED SPRAY

This comes from a defect in the central fan. Clean the aircap and

the fluid nozzle. Make sure that :

- the aircap is correctly centered on the nozzle,

- the nozzle is not too big for the needle,

- when work is done with a large needle opening and the needle

almost closed, the spray pattern is not even in all directions.

FRAGMENTED PATTERN

The fan air pressure is too high at the holes in the air cap horns :

- turn the fan air control clockwise to reduce the fan air pressure,

- increase the paint output.

FAN TOO THICK IN THE CENTER

This is the reverse of the above defect :

- the paint output is too high for the selected air pressure :

increase the spraying air pressure and reduce the paint output.

- if the paint is too thick, dilute it.

INTERMITTANT SPRAY PATTERN

An air inlet in the paint circuit creates an intermittant pattern when :

- the paint cup is nearly empty,

- when the nozzle is not tightened on its seat : clamp it.

If the problem persists, remove the nozzle and clean it. Check that the seat and the cone are not

damaged, remove the nozzle and clamp it.

Check that : the cup cover air hole is not blocked and the paint is homogeneous and fluid enough

(use the viscosity cup).

Check that the ‘pressure’ gun is not used with a ‘suction’ cup.

SAMES KREMLIN - 2 - N° : 578.026.110-UK-1708

TROUBLE CAUSE SOLUTION

No fluid out of the gun Clogged nozzle

Cut the pressure on the pump.

Depressurize the hoses.

Remove and clean the nozzle with

solvent by means of the brush.

Check the seal condition.

Pattern width narrows during

reversing phase of pump Air trapped in the fluid circuit Check connections and suction

hose quality.

Viscosity too high Reduce viscosity.

Aircap becomes dirty frequently Too much atomizing air Reduce air pressure.

Fluid seeping from the air holes of

the aircap Defective tip seal Replace it.

Tip loose Tighten it.

Fluid leak at the packing Packing is worn

Tighten up the packing holder

without blocking the needle.

If there is still a leak, replace the

packing and the needle.

Fluid leak at the front part of the

gun, trigger released Impurities in the paint Trigger the gun 3 or 4 times.

Needle worn or/and nozzle worn Replace needle and nozzle.

Air leak at the valve Valve worn Change the valve.

Permanent air leak at the gun

aircap when the trigger is released Friction on the needle Remove the trigger and check the

needle.

Valve worn Replace the valve.

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