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Jessica Randall MDJul 29, 2025
How to remove air trapped in Performance Tool grease gun?
- MmrowlandJul 30, 2025
To remove trapped air from the head of your Performance Tool grease gun, loosen the barrel by unscrewing it two turns. Then, move the plunger rod back and forth to expel the trapped air. Finally, press the air purge valve or pump the handle to completely remove the air.