Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Air Injection Check Valve: Testing and Inspection
Check Valve:
1.
Apply vacuum to the intake manifold fitting of the valve. Vacuum should not hold.
2.
Apply vacuum to the solenoid fitting of the valve. Vacuum should hold.
3.
Replace the valve if it fails the above tests.
