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How to connect hose or tool to RYOBI Air Compressor

29/06/2026, 17:31
To connect an air hose or tool: 
StepAction
1Make sure the air compressor is turned off and unplugged from the power source.  
2Rotate the pressure regulator knob fully counter-clockwise. 
3Confirm that the outlet pressure is at zero (0) bar.  
4

Attach the male hose connection to the 6.35mm (1/4 in.) coupler on the air compressor. Make sure to push the male hose connector firmly into the female coupler. The connector sleeve will then spring forward and lock the male connector in to place.

RYOBI Air Compressor connecting male & female coupler

5The air pressure can then be set on the pressure regulation to meet the tools requirement.
To disconnect an air hose or air tool: 
StepAction
1Rotate the pressure regulator knob fully counter-clockwise.  
2Confirm that the outlet pressure is at zero (0) bar.  
3When disconnecting a hose from a 6.35 mm (1/4 in.) quick coupler, always firmly hold the release end of the hose.  
4Pull back the release sleeve on the 6.35 mm (1/4 in.) quick coupler.  
5With a firm grip, pull out the quick connect air fitting that is attached to the quick coupler. 
Applicable Models

RA-C2550-G, RC40A-G, R18AC-0