Bottom Gantry Rails
The bottom gantry rails of the table require lithium grease
to be injected through the grease zerks on each of the four
bearings.
Bottom Lead Screw Bearing
The bottom lead screw bearing requires lithium grease
to be injected through the grease zerk on its bearing.
IMPORTANT: DO NOT oil or lubricate the Teflon coated
lead screw as the coating will flake off and jam up the
nut.
Bottom Rack and Pinion
The bottom rack and pinion requires only to be blown off with
air.
IMPORTANT: DO NOT oil or lubricate the Rack and Pinion.
Contact Kern Support for service.
Chilling Unit
A chilling unit is typically supplied with lasers that are of 100 watts or greater. These units require a
monthly maintenance check.
A dust/particle filter at the front panel of the chiller can be removed and cleaned with a compressed
air gun. If the filter is clogged to the point where it cannot be cleaned out please contact Kern for a
replacement filter.
The chiller reservoir tank requires distilled water and a cleaning solution to keep the lines clean.
Over time the water can turn murky and contain sediment. Please refer to your chiller owner’s
manual for detailed instructions on filling your chilling unit with fresh distilled water and a cleaning
solution.
A more detailed section on chiller maintenance is available in the chiller owner’s manual. Please refer
to this manual for a full maintenance schedule on the chilling unit.
Mirror
The instructions below are for removal, cleaning, and installation of the mirrors. Refer to the optics
assembly drawing in the System Diagrams section of this manual.
To remove the mirror for cleaning:
1. Turn OFF the laser machine.
2. Remove the four 7/64” Allen head screws on the mirror cover. DO NOT remove, tighten, or
loosen the three Allen screws under the mirror cover that hold the mirror support in place as
this will take the mirror out of alignment.
3. Use the small flat blade screwdriver to remove the three screws on the mirror retainer.
4. The mirror is now exposed and can be removed for cleaning. Carefully remove the mirror,
handling it with a clean rag or rubber gloves by the side edges. Avoid touching the front side
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General