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Maintenance • Preventive Maintenance 5—24 PS288 Owner’s Manual CAUTION: Do not over-apply the gr ease. Over-applying will cause gr ease to splatter inside the wor k envelope. Figur e 5-23—Gr ease fittings 3c) Reinstall t…

Maintenance • Preventive Maintenance

PS288 Owner’s Manual 5—23

Figure 5-22—Replace air filter

3. Reinstall cover—

Use a screwdriver to tighten the two screws holding the filter cover to

the Laser Computer.

Procedures Performed Once a Year

Lubricate the Gantry (X and Y) Lead Screws

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 the lead screw shields.

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 four bolts that hold the two lead screw shields to the gantry

rails.

1c) Remove the shields.

2. Remove old grease—

Using shop towels and isopropyl alcohol, remove the old grease and

dirt build up from the lead screws.

3. Apply new grease—

3a) Using a THK MG70 (or equivalent) grease gun, apply THK AFB Mul-

tipurpose lithium (or equivalent) grease to the lead screw grease fit-

tings. See Figure 5-23.

3b) Apply grease to the entire length of each lead screw.

Air filter

Maintenance • Preventive Maintenance

5—24 PS288 Owner’s Manual

CAUTION: Do not over-apply the grease. Over-applying will

cause grease to splatter inside the work envelope.

Figure 5-23—Grease fittings

3c) Reinstall the two lead screw shields.

Replace all Filters in the Fume Extractor

Once a year, replace all filters in the laser marker fume extractor. See

Figure 5-24 for the location of the four replaceable laser vacuum filters.

Figure 5-24—Laser vacuum filter locations

Grease fittings

Pleated filter

Carbon filter

Pre-filter

HEPA filter

Maintenance • Preventive Maintenance

PS288 Owner’s Manual 5—25

WARNING: Failure to replace the laser vacuum filters at the

appropriate intervals could create a hazardous operating environ-

ment.

WARNING: This procedure should be performed only by quali-

fied service personnel who have successfully completed

Data I/O's laser training class. This procedure involves exposure

to hazardous by-products from the laser marking process.

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

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

power switch.

WARNING: Hazardous materials. Wear safety goggles and dis-

posable protective gloves. Do not clean the laser vacuum filters by

blowing with compressed air, shaking, or using any method that

allows the particulate trapped by the filters to be released into the

work environment.

To replace all filters:

1. Prepare the system—

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

OFF position.

1b) Remove lower back laser housing panel by removing the eight screws

highlighted in yellow in Figure 5-25.

Figure 5-25—Lower back laser housing panel screw locations

1c) Remove side laser housing panel by removing the four screws high-

lighted in yellow in Figure 5-26.