NSK Coupling
1) Remove the Coupling Joint from the hose.
2) Remove the back end Gasket.
3) Pull and remove the water tube, and replace the Non-Retraction Valve.
4) Insert the new Non-Retraction Valve securely and remount the back-end Gasket.
*Refer to Spare Parts List to identify the correct parts.
Gasket Non-Retraction Valve
Fig. 16
17