
KFD Unloarder Valve - WU71003
A compressor unloader valve is a small part, typically measuring approximately 4-5 inches in length and width. It performs the critical function of releasing trapped air inside the tank, enabling the motor to restart. An unloader valve malfunction is one of the more common air compressor issues. If the trapped air cannot escape, the accumulated pressure may be enough to keep the motor from restarting.
The type of unloader valve found in an air compressor depends on the machine’s make and size. Some operate via a toggle switch on the side of the unit’s pressure switch. Others have an integral valve installed under the pressure switch.
When the air pressure inside the compressor’s tank reaches the pressure switch’s cut out pressure (the point when air is no longer delivered), the switch automatically trips off and interrupts the power supply to the motor. This process causes the unloader valve to open and vent the accumulated air.
APPLICATION: MERCEDES BENZ/ IVECO
REFERENCE NO. 9753034640
Part Number | WU71003 |
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Filter Type | filter_product_quality |
Weight | 1.640000 |
Manufacturer | Zhuji Weicheng |
Country of Manufacture | China |
Fragile | Yes |
Warranty | 12 Months |
Signs and symptoms when defective | |
Which automobile uses this part? | Trailer & Long vehicle |