Graco 309921N- Manuals

Operation 6 309921N Operation Model 234401, Series D 1. Attach air hose(s) to air regulator outlet valve 289165. 2. Attach air hose to main shut-off valve 288798. 3. Open main shut-off valve 288798. 4. Turn the T-hand adjusting screw in or out to adjust regulator to desired setting. 5. Open outlet v...

Maintenance and Repair 8 309921N Pressure Relief Procedure The following is a basic pressure relief procedure. Be sure to follow the specific pressure relief procedure in your spray gun and/or fluid supply equipment manuals. 1. Close the main air shut-off valve. 2. Trigger the gun or dispense valve ...

Maintenance and Repair 309921N 9 Desiccant Housing 234404, Series B Desiccant Changeout The desiccant gradually changes color from blue to pink, indicating it has absorbed moisture to the saturation point and needs to be regenerated or replaced. • To regenerate Silica Gel desiccant, heat desiccant f...

Maintenance and Repair 10 309921N Self-Relieving Air Regulator 288787 Be sure air to the regulator is clean. Erratic operation or loss of regulation is usually caused by dir t in the regula-tor. Cleaning 1. Follow the Pressure Relief Procedure, page 8. 2. Remove bottom plug, spring, and valve. 3. Re...

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. Original instructions. This manual contains English. MM 309921 Graco Headquarters: Minneapolis Int...