XCMG QY70K Truck Crane Air Dryer 819900314
Part number 819900314 is listed as an air dryer for XCMG QY70K truck crane compressed-air applications. The unit helps manage moisture and contaminants before compressed air reaches downstream pneumatic or braking components. Confirm the original number and connection layout before replacement.
Identification and Fitment Checks
XCMG QY70K crane and complete machine or chassis serial number
Original air-dryer label and part number 819900314
Inlet, outlet and control-port quantity, thread and orientation
Mounting-hole pattern and available installation clearance
Electrical connector, heater or sensor connection where fitted
Photos of attached valves, cartridge and pipe routing
Why Air-System Condition Matters
Water, oil residue or debris in the air system can affect valves, reservoirs and brake components. Before installing a replacement, inspect hoses, fittings, compressor discharge condition and downstream reservoirs. Repeated contamination or frequent purge problems may indicate another system issue rather than the dryer body alone.
Replacement Preparation
Depressurize the system using the approved service procedure before disconnecting any line. Label each pipe and electrical connector, protect open ports from dirt, and compare the new unit with the removed dryer on a clean bench. Port threads and orientation must not be forced to fit.
Supply and Export Packing
The unit is checked against the confirmed part reference and visible connection layout. Ports are capped, the housing is cushioned against impact and electrical connections are protected from moisture and deformation. The package label includes the part number and quantity for receiving inspection.
Frequently Asked Questions
Is 819900314 confirmed for every XCMG QY70K?
The part is associated with QY70K applications, but the crane serial number and original unit should still be checked for production differences.
What if water remains in the air tanks after replacement?
The compressor, discharge line, purge function, reservoirs and maintenance condition may require further diagnosis.
Can the dryer be identified by appearance only?
No. Part number, port arrangement, mounting and electrical connections should be compared.
