EDITION 07 /2005

PART NO. DOC0350941

OPERATING MANUAL

GA 250AL_GA 400AL.

6.1FINISHING WORK AND CLEANING

$!.'%2

%XPLODINGOGASAIRGMIXTURE

$ANGER TOELIFE FROMRmYING PARTS AND BURNS

œœ.EVER SPRAYYINTO A CLOSEDACONTAINER

œœ%ARTH THE CONTAINER

3)()??'"

1.Ensure that the material pressure has been relieved and interrupt the air supply to the gun.

2.Connect the cleaning solvent supply.

3.Detach the Airless nozzle and clean separately (see Paragraph 5.4.3)

4.Connect the air supply and thoroughly rinse the gun.

5.Relieve spray gun and unit pressure.

6.Clean body of the gun with solvent recommended by the manufacturer and dry with a cloth or blow gun.

6.2REPLACING THE VALVESTEM

6.2.1REPLACING THE VALVE STEM

1.Put out of operation and clean.

2.Unscrew the tension cap (A) and remove the compression spring (B).

3.Carefully pull out the valve stem (E) with the piston (D) until the flats of the valve stem are visible.

4.Hold the valve stem (E) with a spanner AF2 and unscrew nut (C).

5.Remove piston (D) from the valve stem (E).

6.With a spanner AF5 unscrew sealing screw (F) completely.

7.Pull out valve stem (E) including the sealing screw (F), the packing (G), the thrust piece (H), the disc spring set (I) (6 pieces), and the pressure ring (K).

Note:

If parts are caught in the hole, the nozzle (M) and the valve seat assy. (L) have the be unscrewed. The parts can be pushed out with a rod of max. ø 4.5 mm; 1.78 in.

8.Exchange worn parts.

%

"

!

37

#$

"?

23

Page 23
Image 23
Wagner SprayTech GA 250AL, GA 400AL manual Finishing Work and Cleaning, XplodingogasAirgmixture