Maintenance of Major System Units/UV-Ar Laser
MAINTENANCE
2-5
Page
2 Refill and Replacement
If the water level in the water tank is below the specified level, refill distilled water until the
specified level.
If the water is polluted by algae or moth, replace the water to ensure cooling.
Replacement procedure
1. Set [COOL DOWN CYCLE] to “O-OFF”.
2. Pump water out.
3. To eliminate water remaining in the cooling hose, switch [POWER] of the heat
exchanger “I-ON”, run it idle and pump out water which comes inside the tank.
4. Refill new distilled water until the specified level. Run the heat exchanger manually and
check the water level again. If it is below the specified level, refill additional distilled
water.
5. Close the water tank with the lid, place the top cover and tighten the 4 retaining screws
tightly using a screwdriver.
6. Plug the power cord into the power outlet and set the main circuit breaker to ON.
7. Set up for normal operation.
For details, see section 1-2-1, “Turning Power ON” in Volume [OPERATION
INSTRUCTIONS].
Consumable supply: Distilled water, about 10 liters (commercially available in 20-liter
bottles).
COOL DOWN CYCLE
Set to “O-OFF”.
POWER
Set to “I-ON”.
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