Magnum-venus-plastech UltraMAX HVLS-1000 Series User Manual download pdf (Page 36)

HVLS-1000 Series Fluid Section Manual

Rev. 05/2012 Page | 36

Air Lock in the Catalyst pump:

DANGER: Fluids Under High Pressure. Before performing any service and repair on this

equipment, be sure to relieve air and fluid pressure.

DANGER: Always wear appropriate eye protection when working with this equipment.

WARNING: When removing hoses, place a rag over the hose before loosening it.

What is an Air Lock?

An air lock is an air bubble in the catalyst pump that blocks catalyst. The piston body moves

inside the bubble of air instead of pumping catalyst.

If you have determined that there is an air lock in your catalyst pump, follow the procedures in

this section.

1. Relieve line pressure from the catalyst pump by locking the gun open over an empty

bucket. Leave the gun in this position.

WARNING: Relieve pressure from the catalyst pump before continuing.

2. Remove the catalyst hose from the nipple on the catalyst accumulator.

WARNING: When removing hose, place a rag over the hose and fitting before loosening

it.

3. Remove the quick pin from the catalyst bearing block and upper slave arm.

4. Tilt the pump back toward the resin pump to release the bubble.

NOTE: If the bubble does not appear in the inlet tube, remove the lower quick pin and

turn the pump upside-down.

5. Slowly hand-pump the catalyst into a suitable container until catalyst spurts from the

nipple an equal amount on both the upstroke and down stroke.

6. Reconnect the catalyst hose to the nipple.

7. Hand-pump the catalyst pump until catalyst comes out through the gun.

8. Install the pump and quick pin into the slave arm.

9. Close the gun

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Magnum-venus-plastech UltraMAX HVLS-1000 Series User Manual Page 36