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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Compression Check

Measure and record the highest pressure reading on the compression gauge.
Standard Compression Pressure 1,400 kPa (199 psi)
Minimum Compression Pressure 1,209 kPa (170 psi)
Compression Variance
The maximum allowable compression pressure difference between any 2 cylinders is 100 kPa (15 psi).