Graco 600 - Troubleshooting Leakage; Leakage Issues

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Troubleshooting
Problem Cause Solution
Fluid packing nut leaking. Loose needle packing nut (9). Tighten.
W orn needle packings (10). Replace.
Air leakage from front of gun. Air valve (12, 13) not seating properly . Clean, service.
Fluid leakage from front of gun. Needle (1) worn or damaged. Replace.
W orn needle and nozzle seat in fluid
nozzle (2).
Replace fluid nozzle and needle.
Needle packings (10) too tight. Lubricate packings (10) and adjust
packing nut (9).