4.3COMPLETE DISASSEMBLY AND CLEANING OF SPRAY GUN
Periodically, especially after spraying an adhesive, a catalyzed coating, or any other material that is known to be difficult to clean, HERO recommends that you completely disassemble your gun and clean each part individually. If necessary, contact your local HERO distributor or HERO directly for a parts breakdown of your gun, or for any help when completely disassembling and
Tools required: ratchet, 1/2” and 5/8” sockets, 5/8” and 7/16” combination wrenches, and a Gun Cleaning Brush
To Clean And Disassemble The Gun:
For
1.Remove the paint cup from the gun. While removing the cup, squeeze the trigger on the gun to release all the paint from the siphon tube back into the cup.
2.Empty the excess material from the paint cup and clean the paint cup with an appropriate cleaning solvent.
3.Pour some cleaning solvent in the clean paint cup and spray it with the gun into a bucket until the spray is clear. Remove the paint cup from the gun.
4.Using the closed end of a 5/8” combination wrench, remove the Siphon Tube Locking Nut located under the Paint Cup Top.
5.Remove the Splash Guard (square piece of aluminum with two holes in it and a cut corner).
6.Using a 5/8” socket and a ratchet, remove the Siphon Tube Extension – this will allow you to completely remove the Paint Cup Top Assembly.
7.Completely unscrew the Material Flow Adjustment Screw at the back of the gun and remove the Spring and Needle – if necessary, squeeze the trigger to help remove the Needle.
8.Using the opened end of a 7/16” combination wrench, remove the Gland Nut located directly in front of the trigger, and remove the Gland Seal.
9.Completely unscrew the Sleeve Nut on the barrel of the gun and remove the Air Cap, Air Distributor, and Air Distributor Spring (Air Cap only on models without Floating Air Cap).
10.Using a 1/2” socket and a ratchet, remove the Fluid Tip.
To Clean Parts Individually And Replace Gaskets:
1.Soak all dirty parts in clean cleaning solvent (Fluid Tip, tip of Needle, Siphon Tube Extension, Splash Guard, etc.). If necessary, soak the entire Gun Body.
2.Using the Gun Cleaning Brush, clean the inside of the Siphon Tube, Siphon Tube Extension, and all Fluid Passages.
3.Remove the Cup Top Gasket. Using the Gun Cleaning Brush, a paintbrush (if necessary), and cleaning solvent, clean the underside of the Paint Cup Top, and install a new Cup Top Gasket.
4.When
5.Before
Do not use hardened needles or picks to clean the holes of the Fluid Tip or the Air Cap. This may
HERO Operator’s Manual – Page 15 of 23