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)