Focus Lens; Vacuum Pump And Mechanical Booster Maintenance; Vacuum Pump Oil Change; Vacuum Pump Demister Filter - Mazak STX SC L PLUS CONTROL Training Manual

Focus Lens

The focus lens should be cleaned once per week if the majority of materials cut are mild and stainless
steel. If a large percentage of work is aluminum or non-metallic material, the lens may need to be cleaned
daily.

Vacuum Pump and Mechanical Booster Maintenance

Vacuum Pump Oil Change

1 > Run the vacuum pump for at least 10 min. so the oil is warm and will drain easily.
2 > Turn "Laser Power" OFF and turn off / lock out the main breaker.
3 > Remove the fill cap on the top of the pump.
4 > Remove the drain plug at the end of the oil drain line by unscrewing the two (2) brass fittings at the
end of the hose. Do not remove the lead cap which is epoxied to the fitting.
5 > Open the oil drain valve and empty the oil into a receptacle. Elevate the rear of the pump to insure
that the entire content is drained.
6 > Close the oil drain valve and replace the drain plug.
7 > Add the new oil to the fill port at the top of the pump. The oil level must be between the two marks
on the sight glass.
8 > Replace the fill port plug.
9 > Turn "Laser Power" ON and run the pump for at least 15 min.
10 > Turn "Laser Power" OFF. Check that there are no leaks from the oil drain plug or the demister
filter. Confirm the oil level is between the two marks on the sight glass. If the oil has become dark
in color, drain the oil and replace with new oil by repeating steps 3 through 9.

Vacuum Pump Demister Filter

1 > Remove the demister filter by unscrewing the hex nut on the front face of the pump.
2 > If the filter is contaminated with oil, replace the filter. Clean the rubber seal on the new filter and
wet with oil before replacing.
NOTE: Filter must be flush against the back wall of the housing.
DO NOT run the vacuum pump without the demister filter installed.
3 > After the pump has been run for 15 min., check that there is no leakage from the filter port. If
smoke/oil mist is emitted from the exhaust (below cabinet), the filter is not mounted properly.
NOTE: recommended oil:
- OHE-270 (LEYBOLD)
10