DFD6361-Maintenance - 第629页
F-59 Procedures for com pletion of replaci ng the flow rate sensor (Continu ed) Step No. Do This 10 Start the machine and car ry out dummy cutting for more than 30 minutes. - Make sure that t here is no water leakage fro…
F-58
2-1-3. Completion of replacing the flow rate sensor
Procedures for completion of replacing the flow rate sensor
WARNING
- If you operate the machine while the machine interior or floor is wet
with water, you may receive electric shock that could result in
serious injury or death.
If the machine or floor is wet with water, do not turn ON the facility
power source until it dries.
- Upon the completion of replacement, release the spindle coolant
water to make sure that no water leakage occurs. If you operate the
machine while the machine interior or floor is wet with water, you
may receive electric shock that could result in serious injury or
death.
If any water leakage is found, shut off the facility power supply and
then properly install the piping.
Step No. Do This
(Continued from the previous section)
1
Verify that there is no water leakage inside the machine.
2
Open the spindle coolant water supply line main valve.
3
Check that there is no water leakage in the piping joint for the
newly installed spindle coolant water flow rate sensor.
- When the water leakage occurs;
Repeat the steps 2-1-1 through 2-1-3 of this chapter.
4
Reinstall the cover [U] in its original position.
- For the cover installation procedure;
See the section B-1-6, [Mounting Machine Outer Covers] of
Installation Manual.
5
Turn ON the facility power source.
6
Open the circuit breaker lever lockout and turn ON the circuit
breaker.
7
Insert the key into the main switch and turn ON the main switch.
8
Press the <System Initial> button to effect system initialization.
9
Adjust the flow rate.
F-59
Procedures for completion of replacing the flow rate sensor (Continued)
Step No. Do This
10
Start the machine and carry out dummy cutting for more than 30
minutes.
- Make sure that there is no water leakage from the piping
junctions of the flowmeter.
- If you find water leakage;
Repeat the procedures described in the section 2-1-1 through
2-1-3 of this chapter.
F-60
2-2. Replacing the Solenoid Valve
Operation flow
The procedure for replacing the solenoid valve consists of the following steps.
2-2-1 Removing the machine outer cover
2-2-2 Replacing the solenoid valve
2-2-3 Completion of replacing the solenoid valve
Before replacing
Have on hand the following items before replacing.
3mm Allen wrench
Phillips screwdriver
10mm wrench
12mm wrench
14mm wrench
17mm wrench