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)
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temporarily or
permanently
Pressure Switch Testing
Fig. 6 Pressure switch test connections.:
1.
Start engine and allow to idle.
2.
Disconnect hose to pressure switch at inlet manifold and connect test gauge 8392813, together with a suitable pump (coolant system pressure tester), to pressure switch hose,
Fig. 6. 3.
Increase pressure to switch using pump and note pressure at which engine cuts out.
4.
If cut out pressure is not 13.0-14.4 psi, replace switch.