Southbend SB1013 Benutzerhandbuch

-56-

For Machines Mfg. Since 7/09

EVS Toolroom Lathes

Oil Type .. Mobil DTE Light or ISO 32 Equivalent
Oil Amount .............................................. 7.5 Liters
Check/Add Frequency .................................... Daily
Change Frequency ...................................Annually

The headstock lubrication system is the most 
important lubrication system on the machine. It 
consists of an electric oil pump, a low oil pressure 
kill switch, a holding tank, oil lines, and a 
distribution manifold. The headstock has a series 
of oil lines that direct oil to key locations, such as 
the spindle bearings and headstock gearing, to 
ensure that they always remain well lubricated.

The oil pump automatically turns ON and begins 
oiling the headstock components when the main 
power switch is turned ON and the emergency 
stop button is reset. The oil is pumped before the 
spindle is started to protect the spindle bearings 
against potential damage from dry starts.

The sight glass on the side of the headstock oil 
tank, shown in Figure 109, shows the oil level 
and temperature; the bottom line represents the 
minimum oil level and the top line represents the 
maximum oil level. The lathe must be powered 
down and stopped when to get an accurate 
reading on the oil level.

When the oil level approaches the minimum line, 
add enough oil to bring it up to the maximum 
line.

During operations, regularly monitor the oil 
temperature shown in the sight glass in Figure 
109. The temperature of the headstock oil must 
remain under 170° F. or the oil will start to 
overheat and break down, causing it to lose its 
lubrication properties.

Under normal conditions, the oil should not 
reach 170° F.; however, if it does, shut down the 
machine and allow the oil to cool. Investigate 
why the oil is getting so hot. Possibilities may 
be poor ventilation, excessive work loads, poor 
oil quality, oil is breaking down (losing lubricity) 
due to long term use, or extreme work site 
temperatures.

If possible, correct the conditions causing the 
oil to get hot. If the oil is old or you suspect it is 
of poor quality, change it. If the work loads or 
working environment are extreme, reduce the 
duty cycle of the lathe to allow the oil to cool 
down when it gets hot.

If the oil temperature ever exceeds 170° F., 
change it as soon as possible to make sure the 
spindle bearings have high quality lubrication.

To prevent costly damage to the headstock gears 
and bearings, a kill switch will shut the lathe 
down if the oil pump stops working or the oil 
level is too low. You can verify that the pump is 
working by looking at the sight glass shown in 
Figure 109. When working correctly, oil can be 
seen flowing across the sight glass.