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: Specifications

Compression Pressure
At 250 rpm:
STD 1,275 kPa (13.0 kg/cm sq., 185 psi) or more
Minimum 981 kPa (10.0 kg/cm sq., 142 psi)
Pressure Difference:
Between Each Cylinder 100 kPa (1.0 kg/cm sq., 14 psi) or less