CHAPTER 5: MAINTENANCE
LW500A/LW600A PULSED Nd:YAG LASER
5-16 990-539
6. Return and secure the Laser Chamber Top Cover and the flashlamp access cover.
7. Place a pan under the Drain Plugs under the front of the Laser.
8. Open both drain plugs to drain remaining water from secondary cooling water tank. To open,
turn the red handled valve 90 degrees so that the handle is in-line with the drain pipe.
In older Laser units, press the release ring evenly and pull out the plug straight toward you (as
shown in the illustration below). If you do not press the ring hard enough, the plug may not
come out or the adapter and plug may be damaged, which can cause a water leak.
9.
Disconnect the tubes at location A (noted above) and blow clean compressed air (42psi or
294kPa maximum pressure) into the pipes to force the excess water out.
10.
After draining all the water, return the drain plugs and tubes.
11.
Return and secure the left side covers.
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