Check Valve and Vacuum Chamber

CHECK VALVE

Check Valve:

1. Remove check valve.
2. Blow through "A" and check that air flows from "B."
3. Blow through "B" and check that air does not flow from "A."
4. If not as specified, replace check valve.

VACUUM CHAMBER

Vacuum Chamber:

1. Visually check vacuum chamber for clogging, damage or cracks.
2. Replace if problems are detected.