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
Heater Control Valve: Testing and Inspection
Water Control Valve-
Apply a vacuum to valve. Observe movement of linkage. Should maintain vacuum until released.
-
In full heating mode, feel both inlet and outlet hoses for equal temperature.
-
Vacuum supply pipe color code = Red at inner vacuum switch on
camshaft-
No vacuum in fully open position.