Lubricate with WD-40 After Use
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How to clean & rebuild a Graco Contractor II gun. Graco Sprayer Tips.
What happens here
As an extra tip for daily maintenance, after cleaning the sprayer and gun at the end of each day, spray the entire gun with WD-40. The WD-40 works its way down inside the internal rails and prevents paint from drying and gumming them up, ensuring the gun continues to work smoothly.
Goal: Maintain smooth gun operation and prevent paint buildup.
Tools and materials
- Graco Contractor II Spray Gun Graco — The gun to be lubricated
- WD-40 WD-40 — Lubricating the internal mechanisms of the gun
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