Okuma Lathe LU15-M 2SC-600

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

Reading of the dial indicator applied at the front end of the test piece

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

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

Change hydraulic oil in the hydraulic unit

Supply lubricating oil to the chip conveyor

Change cooling oil in the spindle cooling unit

Enter the hours on the Oil-air lubrication unit

If the hours on the Oil-air lubrication unit exceed 1000, replenish the unit

Sign off on the lathe maintenance

Warning: This procedure requires trained personnel with PPE!

Check for noticeable irregular feed movement

If irregular feed movement is noticed, proceed with the following steps

Remove the right and left saddle covers

Loosen the gib adjusting screw at the headstock side (left side)

Fully tighten and then return by a half turn the gib adjusting screw at the tailstock side (right side)

Tighten the gib adjusting screw at the headstock side (left side)

Enter the clearance measurement

Adjust the gibs for the cross-slide in the same manner