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
Switch/Relief Valve
Failure of the switch/
relief valve is indicated when vacuum is applied to the valve and
air injection is not directed upstream (to the exhaust manifold crossover tube), or if air is injected both upstream and downstream. If the relief valve fails, air will escape from the silencer at engine
idle speed. This valve is not serviceable and must be replaced if defective.