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CHAPTER 4: USER MAINTENANCE
Water Draining Occasions.
Both the deionized water and cooling water should be drained on certain occasions, as specified in
Table 4-1.
Replacement of ion exchange resin
cartridge and water filter
Replacement of deionized water
Moving or transportation
Storage or long periods of non-use
When ambient temperature drops
below 32°F (0°C)
Solenoid Valve Strainer Cleaning
CAUTION: If the solenoid valve is clogged, the flow rate of
the water is lowered and the laser may overheat. If this
happens, use a cleaner water supply. Clean the solenoid
valve periodically.
Required Items. You will need a brush, Philips screwdriver
and both a 10mm and 17mm wrench
1 Turn off the input water. Disconnect the hose from the
COOLING WATER INLET, and drain the remaining
water.
2 Refer to figure 4-2. Using a wrench remove the four
10mm mounting screws from the solenoid valve.
3 Remove the upper portion of the soloid valve, then pull
out the spring and diaphragm.
4 Carefully remove the strainer from the solenoid valve.
Wash and clean it with a brush.
5 Insert the strainer and install the diaphragm, spring and upper portion of the solenoid valve. Secure
the unit with the four mounting screws.
4-2
Table 4-1. Water Draining Occasions
Occasion
LM45 Nd:YAG LASER MARKER
Water to Drain
Deionized
Cooling
X
X
X
X
X
Lower portion of
solenoid valve
Solenoid Valve Disassembly
X
X
X
Mounting Screws
(Four)
Upper portion of
solenoid valve
Spring
Diaphragm
Strainer
Figure 4-2.
990-518
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