Operation CHARM: Car repair manuals for everyone.
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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Brake Proportioning/Combination Valve

SERVICE SPECIFICATIONS
Cut-In Pressure:
Split Point 3.63 MPa (526 psi)
Decompression Ratio 3.7:1

TORQUE SPECIFICATIONS
Proporting Valve Mounting Nut 13 - 22 Nm (9.6 - 16.2 ft. lbs.)