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HOWO T7H SITRAK TRUCK Air Tank WG9000360789 FROM SINOTRUK COPMPANY
FUNCTION
1. Compressed Air Storage:The compressed air generated by the air compressor first enters the air reservoir for storage, creating a reserve of high-pressure air. When the brake pedal is depressed, this allows for the rapid release of sufficient air pressure, ensuring that braking response is both swift and powerful.
2. Provision of Operating Pressure for the Braking System:It supplies a continuous and stable air pressure to the entire pneumatic braking system (including service brakes, auxiliary brakes, parking brakes, etc.). This prevents issues such as "soft" brakes, delayed braking response, or total brake failure caused by insufficient air supply, thereby enhancing driving safety.
3. Moisture Separation and Condensation:Compressed air naturally contains moisture; the air reservoir facilitates the condensation of a portion of this water vapor within the tank, allowing it to settle at the bottom. This moisture is then periodically discharged via a drain valve, thereby minimizing the ingress of water into critical components-such as brake valves and air chambers-and preventing corrosion and freezing.
4. Auxiliary Air Source Support:Acting as a compact auxiliary air reservoir, it also serves as a source of compressed air for other auxiliary equipment that requires pneumatic power, such as:
Pneumatic clutch assist systems
Pneumatic suspension systems
Air horns, door control mechanisms, or other pneumatic accessories
Installation Location
This compact 5-liter auxiliary air reservoir is typically mounted on the right-hand side of the vehicle frame, situated toward the rear-mid section-specifically near the back of the cab or in the vicinity of the fuel tank.
It is frequently installed alongside the main air reservoir on the outer side of the chassis side members, secured in place using a dedicated mounting bracket assembly (Part No. 711W51715-5053).
Connected via air lines to a four-circuit protection valve (or an air processing unit), it receives compressed air; its outlet port connects to auxiliary pneumatic systems (such as the clutch booster, exhaust brake, air horn, etc.).
DETAILS
| DESCRIPTION | Air Tank | PART NUMBER | WG9000360789 |
| WEIGHT |
5KG |
VOLUME |
40 cm × 20 cm × 20 cm, 5L |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Routine Maintenance Recommendations
Daily or Per Shift (for Long-Haul Vehicles):
Before starting the vehicle or after parking, open the drain valve (manual drain plug) located at the bottom of the air reservoir to thoroughly discharge accumulated water, oil residue, and condensation.
This step is particularly critical during winter to prevent accumulated water from freezing-which could block air lines or damage components.
Weekly or Every 500–1000 Kilometers:
Verify that the drain valve operates freely and is free of obstructions.
Visually inspect the surface of the air reservoir for any signs of deformation, cracks, corrosion, or impact damage.
Check all air line connections, mounting brackets, and U-bolts for looseness or air leaks.



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