B-21
1-5-2. Utility Piping Connection
Procedures to make utility piping connection
This section describes the procedures to connect utility hoses using joints to the utility supply ports
located on the rear of the machine main body.
→
Refer to Section 4-1 [Rear Panel Connection Ports] of Chapter A for locations of the utility supply
ports.
WARNING
When the piping connection work for the wheel coolant water and spindle
coolant water is completed, check looseness of connections for the joints
If water leakage should occur, the floor surface and downstairs might be damaged.
CAUTION
When you prepare a hose for use in utility piping connection, cut its edge at a
right angle using a dedicated tool for the purpose
If you use a hose having an improperly cut edge for connection, it may cause leaking
of air or water from the connection section, leading to bursting of the hose.
Hose
Cut at a right angle
When you connect a hose over the insertion section of a joint, make sure it
bottoms
If there is any gap between the hose and the insertion section of the joint, air or water
enters into the hose from the connection section leading to burst of the hose.
Step No.
Procedure
(Continued from the previous section)
1
Remove the nut and sleeve from the hose joint already installed to the machine. As shown
below, install the removed nut and sleeve over the hose.
・
Ensure that the sleeve is 40 mm apart from the hose edge.
40 mm
Insertion section
of joint
Hose
Sleeve
Nut
2
Connect the hose over the insertion section of the joint until it bottoms.
