Troubleshooting

Troubleshooting

Check all possible remedies in the troubleshooting

charts before disassembling the gun.

Some improper patterns are caused by the improper balance between air and fluid. Refer to Spray Pattern Troubleshooting, page 16.

General Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Fluid leakage through venting holes.

Worn o-rings or packings on needle

Replace o-rings or needle assembly.

 

assembly (12).

 

 

 

 

Air leakage through venting hole.

Worn o-ring (23).

Check and replace as needed.

 

 

 

Air leakage from back of gun.

Worn o-rings (22, 23).

Replace o-rings.

 

 

 

Fluid leakage from front of gun.

Fluid needle (12) is dirty, worn, or

Clean or replace fluid needle.

 

damaged

 

 

Dirty or worn seat (10, 41).

Clean or replace the seat (10, 41)

 

 

and gasket (11). The gasket must be

 

 

replaced whenever you remove the

 

 

seat from the gun.

 

Spray tip seal is leaking.

Tighten nut (7) or replace spray tip

 

 

gasket (8).

 

Seat (10, 41) is insufficiently tight-

Tighten seat (10, 41) and replace

 

ened or gasket (11) is missing or

gasket (11). The gasket must be

 

worn from multiple uses.

replaced whenever you remove the

 

 

seat from the gun.

 

 

 

14

311053C