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FAW Air Reservoir Device Assembly
FAW Air Reservoir Device Assembly
2025-08-02
FAW Trailer Release Switch & Connector Assembly
FAW Trailer Release Switch & Connector Assembly
2025-08-02

FAW Air Handling Unit Assembly

FAW Air Handling Unit Assembly
FAW Air Handling Unit Assembly
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What is the FAW Air Handling Unit Assembly

  • 1. FAW Air Handling Unit Assembly: Compressed Air Purification & Control
    This critical assembly serves as the central processing hub for the FAW truck’s compressed air system. Mounted near the compressor, it purifies, regulates, and distributes air to the reservoirs and brake circuits, ensuring clean, dry, and precisely controlled air pressure for reliable braking and auxiliary functions.
  • 2. Core Air Processing Components
  • Air dryer Assembly: The heart of purification. It removes harmful moisture, oil vapor, and contaminants from the hot, compressed air exiting the compressor using desiccant or coalescing filters, preventing corrosion, freezing, and valve malfunction throughout the system.
  • Air Control Unit Body Assembly: Houses the integrated control valves (often including the governor, pressure protection valve, and purge valve). This unit manages compressor loading/unloading, directs air flow through the dryer, controls purging cycles, and protects the system from overpressure.
  • Muffler Assy: Attenuates the loud exhaust noise generated during the air dryer’s purge cycle, reducing cab and environmental noise pollution.
  • 3. Sealed Connection & Port Management
  • Air Handling Unit And Pipe Joint Assembly: Represents the complete unit with its pre-assembled connection ports ready for line attachment.
  • End Type Pipe Joint-Air Handling Unit: Specific sealed fittings providing leak-proof connections for inlet (from compressor), outlet (to reservoirs), and control air lines.
  • Threaded Sleeve (M22) With Seal Ring Assy / Threaded Sleeve (M16) With Seal Ring Assy: Robust sealed adapters for connecting air lines of different sizes (M22 typically for main supply/delivery, M16 for control signals) to the unit’s ports.
  • Special Shaped Seal Ring(Φ 15.2) / Special Shaped Seal Ring(Φ 9.7): Precision seals within the M22 and M16 sleeves, respectively, creating pressure-tight barriers critical for system integrity.
  • Plug (M22) With Seal Ring Assy: Seals unused ports on the unit.
  • Push-In Connector Detecting Connector: Likely a quick-connect fitting or diagnostic port for connecting sensors or test equipment to monitor unit performance or pressure.
  • 4. Internal Component Integrity
  • Circlip(Φ 10) / Circlip(Φ 12): Internal retaining rings securing vital components like valve pistons, shafts, or diaphragms within the Air Control Unit Body Assembly or Air dryer Assembly under pressure and vibration.
  • 5. Secure Mounting Hardware
  • Bracket-Air Handling Unit: A robust, vehicle-specific bracket providing a stable mounting platform on the chassis, isolating the unit from excessive vibration.
  • Hexagon Head Bolt / Hexagon socket head cap screw: Versatile fasteners used to securely attach the Air Handling Unit Assembly to its Bracket.
  • Spring Washer / Washer / Hexagon Nut: Locking washers (Spring Washer), flat washers (Washer), and Hexagon Nuts ensure vibration-resistant, secure fastening of the unit to its bracket and the bracket to the chassis.

Product Parameters of FAW Air Handling Unit Assembly

Order Part NO. Part Name And Standards Oty
Air Handling Unit Assembly 1
1 3515010-1565WA Air Handling Unit And Pipe Joint  Assembly 1
2 3506204-50A End Type Pipe Joint-Air Handling  Unit 1
3 CQ72322 Washer 1
4 T833 Push-In Connector  Detecting Connector 1
5 3513420-1500 Plug (M22) With Seal Ring Assy 1
6 3515020-66W-C00WA Air Control Unit 1
7 3511020-81W-C00WA Air dryer Assembly 1
8 3511015-66W-C00WA Air Control Unit Body Assembly 1
9 3511025-81W-C00WA Muffler Assy 1
11 3506410-1500 Threaded Sleeve (M16) With Seal Ring  Assy 1
12 3506403-1500 Special Shaped Seal Ring(Φ  9.7) 1
13 3506407-1500 Circlip(Φ 10) 1
15 3513407-1500 Circlip(Φ 12) 1
16 3513410-1500 Threaded Sleeve (M22) With Seal Ring  Assy 1
17 3513403-1500 Special Shaped Seal Ring(Φ  15.2) 1
18 CQ1501440 Hexagon Head Bolt 2
19 Q40314 Spring Washer 2
20 CQ34014 Hexagon Nut 2
21 Q40312 Spring Washer 3
22 CQ1501230 Hexagon Head Bolt 3
23 3515021-91W Bracket-Air  Handling Unit 1

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