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10 - 4 - 2 Reconnecting the Hose
（1） Insert the high-pressure coolant hose (diameter φ6mm) so that the tapered surface of the ferrule
set fastened to the high-pressure coolant hose (diameter φ6 mm) fits tightly against the tapered
surface of the high-pressure coolant fitting. (Fig. 15)
Tapered surface
of high-pressure coolant fitting
High-pressure coolant fitting
（2） Fit an adjustable wrench on the elbow surface (shaded area) of the high-pressure coolant fitting to
hold it in place, and use another adjustable wrench to tighten the joint nut to its original tightening
position. (Check that the matching lines are aligned and the end of the joint nut is aligned with the
mark on the hose). (Fig. 16)
（3） LTighten the joint nut slightly more than before (by an amount equivalent to the thickness of the
line). (Fig. 17)
Joint nut
Elbow surface
Joint nut
Tapered surface of ferrule set
Insert
High-pressure coolant hose (φ6)
Fig. 15
Tighten to align end with mark
Fig. 16
Tighten slightly more
Fig. 17
35
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