HP AUTOMATIC XT SPAY GUNS 311051D manual General System Maintenance, Clean and Flush Gun

General System Maintenance

•Perform Pressure Relief Procedure, page 17.

•Clean the fluid and air line filters daily.

•Check for any fluid leakage from the gun and fluid hoses. Tighten fittings or replace equipment as needed.

•Flush the gun before changing colors and whenever you are done operating the gun.

Clean and Flush Gun

1.Perform Pressure Relief Procedure, page 17.

2.Shut off the gun fan and atomizing air.

3.Supply a compatible solvent to the gun fluid inlet.

4.Point the gun down into a grounded metal container, and flush the gun with solvent until all traces of paint are removed from the gun passages.

5.Perform Pressure Relief Procedure, page 17.

6.Disconnect the solvent supply.

7.Remove the air cap retaining ring and air cap.

CAUTION

Trigger the gun or remove the piston cap whenever you tighten or remove the nozzle. This keeps the nee- dle seat away from the nozzle seating surface and prevents the seat from being damaged.

8.Clean the air cap retaining ring, air cap, and fluid nozzle with solvent.

9.Dip the end of a soft-bristle brush into a compatible solvent. Do not continuously soak the brush's bris- tles with solvent and do not use a wire brush.

Daily Gun Care

10.With the gun pointed down, clean the front of the gun, using the soft-bristle brush and solvent.

11.Scrub the air cap retaining ring, air cap, and fluid nozzle with the soft-bristle brush (see FIG. 17). To clean out air cap holes, use a soft implement, such as a toothpick, to avoid damaging critical surfaces. Clean the air cap and fluid nozzle daily, minimum. Some applications require more frequent cleaning.

TI8176a

FIG. 17:

12.Install the air cap retaining ring and air cap.

13.Dampen a soft cloth with solvent and wring-out the excess. Point the gun down and wipe off the outside of the gun.

TI4845a

FIG. 16:

311051D 19