PS288_OwnersMnl_PriorTo2009 - 第152页

Maintenance • Preventive Maintenance PS288 Owner’s Manual 5—17 Figur e 5-12—Upper carrier scr ew locatio ns (one is hidden in this view) 2c) Check the two screws on the lower carrier and tighten if necessary . See Figur …

Maintenance • Preventive Maintenance

5—16 PS288 Owner’s Manual

Figure 5-10—PNP head mounting screws

1b) Check PNP gantry wiring harness plug connections and make sure that

they are secure. See Figure 5-11.

Figure 5-11—PNP gantry wiring harness plug connections

Clean and Check the Cable Carriers

1. Clean—

Use dry compressed air to remove all foreign material from the cable

carriers.

2. Check—

2a) Check that the cables are not too loose or too tight. The cables should

be in good condition.

2b) Check the two screws on the upper carrier and tighten if necessary.

See Figure 5-12.

Mounting screw

Plug connection

Maintenance • Preventive Maintenance

PS288 Owner’s Manual 5—17

Figure 5-12—Upper carrier screw locations (one is hidden in this view)

2c) Check the two screws on the lower carrier and tighten if necessary. See

Figure 5-13.

Figure 5-13—Lower carrier screw locations

2d) Check the four screws on the center carrier and tighten if necessary.

See Figure 5-14.

Upper carrier screws

Lower carrier screws

Maintenance • Preventive Maintenance

5—18 PS288 Owner’s Manual

Figure 5-14—Center carrier screw locations (one is hidden in this view)

Check the Vision Camera

WARNING: Electric shock hazard. Shut down the PS288 (see

“Shut Down the System” on page 3-12) and turn off the main

power switch before removing any panels.

1. Prepare the system—

1a) Verify that the PS288 is shut down and the main power switch is in the

OFF position.

1b) Remove the right or rear cabinet panel, depending on where the camera

is mounted.

2. Check mounting bolts—

2a) Check the mounting bolts above the camera.

2b) Tighten if necessary.

3. Check knob—

3a) Check the knob behind the camera.

3b) Tighten if necessary.

4. Check thumb screws—

4a) Check the cable, aperture and focus thumb screws.

4b) Tighten if necessary.

4c) Reinstall all guards and panels.

Replace Pre-filter and Pleated Filter in Fume Extractor

The laser vacuum filters require changing on a regular basis. The mainte-

nance interval depends on the number of devices marked and the amount of

text marked. In general, the pre-filter and pleated filter should be changed

every six months, or more frequently if low air flow is detected. The carbon

Center carrier screw locations