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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Anti-Afterburn Valve

1. Disconnect inlet hose from anti-afterburn valve.

Fig. 23 - Anti-afterburn Valve Test:

2. With engine idling, lightly hold finger over inlet hose opening, Fig. 23. This should not cause the engine speed to vary.

3. With finger lightly placed over inlet hose opening, increase engine speed and quickly release accelerator. Air should flow inward for 3 seconds. If air flows inward longer than 3 seconds, or if air does not flow inward at all, replace valve.