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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Distributor Vacuum Control: Testing and Inspection

1. Connect tee fittings to ports 1 and 4, then connect a suitable vacuum gauge to each tee fitting.
2. Start engine and check vacuum gauges. Vacuum should be equal.
3. Quickly depress throttle. Vacuum at port 1 should decrease instantly and vacuum at port 4 should be maintained momentarily.
4. Stop engine and remove gauges and tee fittings. If defective, replace valve.