Nakanishi CTS-2630 Operation Manual page 15

< Replacing the high-pressure coolant fitting >
（1） Loosen the lock nut of the high-pressure
coolant fitting.
（2） Fit an adjustable wrench on the elbow
surface (shaded area) of the high-pressure
coolant fitting, and turn it counterclockwise
to remove the high-pressure coolant fitting.
（3） Install the new high-pressure coolant hose
and fitting to the G1 / 8 threads on the
spindle.
10 - 4 Disconnecting and Reconnecting the High-pressure Coolant Hose
10 - 4 - 1 Disconnecting the Hose
（1） Before loosening the joint nut, put a mark on the high-pressure coolant hose (diameter φ6 mm) at
the end of the joint nut.
（2） Draw a straight line on the flat part of the joint nut and the elbow surface of the high-pressure
coolant fitting. (This line will be used later to check the position of the joint nut when it is retightened.)
（3） Loosen the joint nut and disconnect the high-pressure coolant hose (diameter φ6 mm).
(The ferrule set is fastened to the high-pressure coolant hose.)
Tightening position mark
Elbow surface
34
Elbow surface
Lock nut
G1 / 8 threads
(depth 10)
Joint nut
Joint nut end position mark
Loosen
High-pressure coolant hose (φ6)
Fig. 14
High-pressure coolant fitting
Loosen
Fig. 13