LaserTurn
®
1 Hardware Manual
Maintenance
4.3.3. Wet Cut Rotary Union Seal Replacement
The rotary seal in the wet cut rotary union requires periodic replacement. Contact Aerotech for obtaining
appropriate replacement seals.
shows a cross section of the rotary union assembly.
D A N G E R : The wet cut rotary union seal should be replaced and relubricated at a minimum of
every 1000 hours of stage operation.
For heavy use or three shift operation
: this corresponds to replacement every month.
For lighter use or single shift operation
: this corresponds to replacement every three
months.
W A R N I N G : Failure to follow the maintenance procedures outlined in this section will result
in voiding stage warranty.
D A N G E R : To minimize the possibility of bodily injury or death, disconnect all electrical
power prior to performing any maintenance or making adjustments to the equipment.
Figure 4-4:
Cross-Section View of Wet Cut Rotary Union
Step 1: Remove power to the stage.
Step 2: Purge water from inside stage. Be careful to not get large quantities of water on the stage.
Step 3: To access the rotary union seal, remove [QTY-4] M3 end cap mounting screws from the rear of the
assembly and carefully pull the end cap off of the housing (refer to
).
www.aerotech.com
Chapter 4
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