Issue link: https://onenorgren.uberflip.com/i/653022
1 13 B R A K E V A L V E S For further information visit www.imi-precision.com or contact us at (800) 229-1875 PARK BRAKE INTERLOCK • Prevents pressurization of the park brake circuit (release of park brakes) without service brake application • Integral Push-to-Connect fittings (PTC) • Material used meets DOT FMVSS 302 flammability requirements Technical Data Operating pressure: 0 – 150 psi Operating temperature: -40°F to 200°F Flow: 3/8" PTC to 3/8" PTC, 0.20 min. equivalent orifice. 3/8" PTC to exhaust, 0.20 min. equivalent orifice. Specifications PART NUMBER 1/4" PTC FITTING FOR CONNECTION TO SERVICE BRAKE CIRCUIT 3/8" PTC FITTING FOR CONNECTION TO PARK BRAKE CIRCUIT (2X) SCHEMATIC 2.22 REF 2.91 REF 1.18 REF AIR SUPPLY PART BRAKE INTERLOCK TO PARK BRAKE SPRING CHAMBER PARK BRAKE VALVE N/C SOLENOID SERVICE BRAKE VALVE VENT VENT VENT EXHAUST FLAP Models Model Description 3321-01 Park Brake Interlock