Okuma Vertical Machining Center Cadet

Warning: The CNC unit incorporates electronic devices which are susceptible to moisture, oil, dirt, dust, and chips, and also elevated temperatures in the enclosure caused by clogging of filters in the cooling unit.

Daily inspection and maintenance of the CNC unit is important.

Does the cooling unit mounted at the control enclosure door operate to blow air hard?

If the filter is clogged, clean it.

Sign off on the cooling unit cleaning

Note: The Mate U-10 control incorporates a 2000 hour PLC timer which monitors the combined X,Y and Z axis movements over time. When this combined total equals 2000 hours, the following Alarm D will occur. 4729:

This warning indicates that the axes have been in movement for a combined 2000 hours. Please lubricate axes according to maintenance manual.

This Alarm D will warn the operator to apply grease to the locations described in the previous page.

Warning: Do not ignore this alarm! It is very important that the 2000 hour lubrication be performed.

After the 2000-hour lubrication is performed, the 4729 alarm must be reset in order to clear the alarm display and restart the PLC counter.

Enter the MC User Parameter area and page down until the following screen is located:

1. Set the "Axis lube maintenance reset" parameter to "1".

To adjust the air control unit (regulator, lubricator and air filter) mounted at the right rear side of the machine, follow the procedure below.

(1) Adjustment of the Regulator Pressure

System pressure: 0.55 MPa [5.5 kgf/cm2 (78.2 psi)]

To increase the pressure, pull down the knob and turn it in the clockwise direction.

To decrease the pressure, pull down the knob and turn it in the counterclockwise direction.

(2) Refilling oil to the Oil Lubricator and Adjustment

TURN THE COMPRESSED AIR SUPPLY OFF.

Remove the oil reservoir (bowl) and refill oil as needed.

(1) Cleaning the 3.5" Floppy Disk Drive Head

A dirty read/write head may sometimes cause the floppy disk read/write error. Clean the head using a head cleaning disk.

The head cleaning disk may be either a market product or the one ordered from Okuma.

Okuma part name: Floppy head cleaning disk FCD-3.5W (Maker: Nippon Microcoating)

To clean the head with the above cleaning disk, proceed as follows. When using the other maker's cleaning disk, follow the attached instructions.

(a) Insert the head cleaning disk into the floppy disk drive unh.

(b) Drive the cleaning disk using the disk initializing function.

Warning: The CNC unit incorporates electronic devices which are susceptible to moisture, oil, dirt, dust, and chips, and also elevated temperatures in the enclosure caused by clogging of filters in the cooling unit. Therefore, daily inspection and maintenance of the CNC unit is important.

Visually check the control enclosure and the operation box for adhesion of water, oil, dust, and chips

Check the cooling unit filter for clogging

If the control enclosure and the operation box are dirty, clean them.

Check the inside of the control enclosure and the operation box.

Sign off on the daily control enclosure and operation box inspection