Okuma Lathe LU15

Coolant nozzle is not clogged with chips

Guard has not been loosened or detached by flying chips

No chips between the guard and scraper

Wiper is not broken, or its end bent or damaged

Wiper end makes contact with the slideway in a uniform manner

No penetration or gouging by minute chips

Check oil level in the hydraulic power unit

Check oil level in the slideway lubricating oil tank

Check oil level in the spindle coolant unit

Check oil flow through the oil window

Check source pressure of the hydraulic unit

Supply lubricating oil to the power chuck master jaw

Sign off on the daily lathe service

Loosen the headstock clamping screws (M20, 6 pcs.)

Align the headstock in A direction

After loosening the adjusting screw (b), secure the adjusting screw (a). This shifts the headstock in the A direction

Align the headstock in B direction

After loosening the adjusting screw (a), secure the adjusting screw (b). This shifts the headstock in the B direction

Carry out this adjustment while reading the dial indicator applied at the front end of the test piece

For Your Information: The Japanese Industrial Standard (JIS) specifies that the lathe should turn cylindrically to within 0.015 per 225 mm (0.0006 per 8.86 in.) of finishing length of work held in a chuck without the use of the tailstock center to hold the work

After the required accuracy is obtained, tighten the six headstock clamping screws. Note that the reading of the dial indicator applied at the test piece end must not change

Sign off on the headstock alignment

Check the bedways for level and straightness

Flush out the hydraulic power unit and change the hydraulic fluid

Change cooling oil in the spindle cooling unit

Sign off on the lathe maintenance

Verify that there is no chip penetration

Check for the presence of minute and embedded chips

Check for wear at the wiper contact area

Verify that felt is free of chips

Check to see if the felt has hardened