Nakanishi BMS-4020-MQL Series Operation Manual page 14

（3）Secure an adjustable wrench or 14mm open-
end wrench (Wrenches not included ) to the base
(hexagon part) of the Joint, then tighten the Joint
Nut securely by using an adjustable wrench or
14mm open-end wrench (Fig .17).
* The Coolant Supply Hose will be secured after
the Ferrule Set is tightened.
（4）Check that the Oil Mist Hose φ6 cannot be
removed from the Oil Supply Port by lightly pulling
the Oil Mist Hose φ6.
* If the Oil Mist Hose φ6 comes off from the Oil
Supply Port, secure the hose by performing
procedure (2) - (3) again.
10 - 2 Connection of the Coolant Hose
（1）Insert the Coolant Hose into the Oil Supply Port φ6 on the rear of the Brushless Motor Spindle (Fig.18).
（2）Secure an adjustable wrench or 14mm open-
end wrench (Wrenches not included ) to the base
(hexagon part) of the Joint, then tighten the Joint
Nut securely by using an adjustable wrench or
14mm open-end wrench (Fig .19).
* The Coolant Supply Hose will be secured after
the Ferrule Set is tightened.
（3）Check that the Coolant Hose φ6 will not come off
from the Coolant Supply Port, by lightly pulling the
Coolant Hose φ6.
* If the Coolant Hose φ6 comes off from the Oil
Supply Port, secure the hose by performing
procedure (1) - (2) again.
32
Joint Base
(Hexagon)
Oil Supply Portφ6
Insert
Coolant Hoseφ6
Fig. 18
Joint Base
(Hexagon)
Joint Nut
Oil Mist Hoseφ6
Joint
Joint Inside
Ferrule Set
Joint Nut
Fig. 17
Joint Nut
Coolant Hoseφ6
Joint
Joint Inside
Ferrule Set
Joint Nut
Fig. 19