FAW Air Handling Unit Assembly
FAW Air Handling Unit Assembly
2025-08-02
FAW Trailer Valve Port Assembly
FAW Trailer Valve Port Assembly
2025-08-02

FAW Trailer Release Switch & Connector Assembly

FAW Trailer Release Switch & Connector Assembly
FAW Trailer Release Switch & Connector Assembly

What is the FAW Trailer Release Switch & Connector Assembly

  • 1. FAW Trailer Release Switch & Connector Assembly: Critical Trailer Air Control Hub
    This integrated assembly provides the essential interface and control functions for safely connecting and managing the FAW truck’s trailer air brake system. It combines manual override capability with robust air line connections at the rear of the tractor, ensuring reliable trailer brake operation and emergency release.
  • 2. Core Manual Release Mechanism
  • Trailer Release Switch: A manually operated valve (typically a pull-knob or button) mounted near the rear connectors. When activated, it rapidly vents air pressure from the trailer’s service brake line, manually releasing the trailer brakes in emergencies or during uncoupling procedures. A vital safety feature.
  • 3. Primary Air Line Connections (Supply & Control)
  • Straight Pipe Connector Assembly-Rear Brake / Straight Pipe Connector-Rear Brake: Robust, sealed fittings providing the direct connection points for the tractor’s rear brake lines to the trailer’s Gladhand hoses. These ensure leak-proof transfer of air pressure for both supply (usually red, constant pressure) and service (usually blue, brake signal) lines.
  • Threaded Sleeve (M22) With Seal Ring Assy: Sealed adapters connecting internal air lines to the Straight Pipe Connector bodies.
  • Special Shaped Seal Ring(Φ 15.2): Precision seal within the M22 sleeve, creating the critical pressure-tight barrier at the connector interface.
  • Circlip(Φ 12): Internal retaining ring securing components within the connector assembly under pressure.
  • 4. Trailer Signal Distribution & Jumper System
  • Control Cross-Joint Hose And Connecting Head Assembly: A specialized hose assembly with a multi-port fitting (“Cross-Joint”). It distributes the trailer brake control signal (often from the hand valve) efficiently to multiple points or auxiliary systems near the rear connection.
  • Control Cross-Joint Hose Assembly: Refers to the core hose and cross-joint unit itself.
  • Air supply Jumper Hose And Connecting Head Assembly: A flexible hose assembly with connectors used to bridge the gap between the tractor’s fixed Straight Pipe Connectors and the trailer’s Gladhand couplings during hookup. Provides the physical air pathway.
  • Trailer Splicer: Refers to the physical Gladhand connector itself (male or female) that clasps onto the trailer’s counterpart, forming the actual sealed coupling for either the supply or service line. Often part of the Jumper Hose Assembly.
  • 5. Secure Mounting & Hardware
  • Trailer Connector Bracket: The dedicated structural bracket that securely mounts the Straight Pipe Connector Assemblies and potentially the Trailer Release Switch to the FAW tractor’s rear frame or bumper.
  • Assembling Bolt: High-tensile bolts used to fasten the Trailer Connector Bracket to the tractor frame.
  • Hexagon Flange Nut: Used with Assembling Bolts, providing good load distribution and vibration resistance.
  • Hexagon Thin Nut: A low-profile nut potentially used in space-constrained areas of the assembly or bracket, also offering corrosion resistance.
  • Washer: Used under nuts or bolt heads for load distribution and surface protection.

Product Parameters of FAW Trailer Release Switch & Connector Assembly

Order Part NO. Part Name And Standards Oty
Trailer Release Switch  & Connector Assembly 1
1 CQ1460820 Assembling Bolt 4
2 CQ39608 Hexagon Flange Nut 4
3 CQ35118 Hexagon Thin Nut 2
4 3520027-1600 Trailer  Connector Bracket 2
5 3506405-367V Straight Pipe  Connector Assembly-Rear Brake 2
6 3506406-367 Straight Pipe  Connector-Rear Brake 2
8 3513407-1500 Circlip(Φ 12) 2
9 3513410-1500 Threaded Sleeve (M22) With Seal Ring  Assy 2
10 3513403-1500 Special Shaped Seal Ring(Φ  15.2) 2
11 3520015-2000 Control Cross-Joint Hose And Connecting  Head Assembly 1
12 3520025-2000 Control Cross-Joint Hose Assembly 2
13 3520035A242 Trailer Splicer 1
14 CQ72316 Washer 2
15 3520020-2000 Air supply Jumper Hose And Connecting Head Assembly 1
16 3520040A242 Trailer Splicer 1
 

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