Compression Check: Specifications

Compression pressure
Standard 830 kPa {8.5 kgf-cm2, 120 psi} [250 rpm]
Minimum 680 kPa {6.9 kgf-cm2, 98.6 psi} [250 rpm]
Standard difference in chambers Within 150 kPa {1.5 kgf-cm2, 21.8 psi}
Standard difference in rotors Within 100 kPa {1.0 kgf-cm2, 14.5 psi}