
B-70264EN/02 4.MAINTENANCE
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4.2 PERIODIC MAINTENANCE
The laser oscillator contain consumables that must be replaced
periodically. Table 4.2(a) or (b) lists such consumables and the
related periodic maintenance work.
Perform periodic maintenance as well as daily inspection described in
Section 4.1 by using the listed periods as guidelines.
Note, however, that the replacement and maintenance intervals are not
guaranteed values.
Table 4.2(a) Periodic maintenance items and periods
Item
Period of maintenance
(operation hour)
Remarks
1 Output mirror change Every 3,000 to 4,000 hours Change when the quality has degraded
2 Rear mirror change Every 3,000 to 4,000 hours Change when the quality has degraded
3 Folding mirror change Every 3,000 to 4,000 hours Change when the quality has degraded
4 Exhaust pump oil change Every 1,500 hours Change when the exhaust power has degraded
5 Exhaust pump filter change Every 3,000 hours Change when the exhaust power has degraded
6 Exhaust pump overhaul Every 10,000 hours Change when the exhaust power has degraded
7 Turbo blower oil change Every 1,000 hours Change when oil properties have changed
8
Turbo blower overhaul
Every 12,000 hours Conduct when the power has degraded, dust is
generated, or abnormal sound is generated
9 Gas controller gas filter change Every 12,000 hours Change when a pressure failure occurs
10 Discharge tube O-ring change Every 6,000 hours Change when internal leakage occurs
11 Gas pipe O-ring replacement Every 6,000 hours Change when internal leakage occurs
12 Discharge tube cleaning Every 10,000 hours Conduct if quartz powder adheres to mirror
13 Discharge tube change Every 30,000 hours Change when the quality has degraded
14 Cooling water change Every 1,500 hours Change when cooling water properties have
changed
15 Cleaning of interior of cooling
water system
Every 3,000 hours Change when water pipe has clogged
16 Alarm lamp replacement Every 3,000 hours Change when the lamp fails to blink
17 Oil mist decomposing element
change
Every 10,000 hours Change when the power has degraded
18 Fan motor change Every 30,000 hours Subject to the operating environment.
Table 4.2(b) Mirror cleaning periods
Unit : hours
Model C1000-E C2000-E C4000-E C5000-E C6000-E
Cleaning of output and rear mirrors only None
None
(Note 1)
1,500 to 2,000
(Note 1)
1,000 to 1,300
Cleaning of all internal mirrors 3,000 to 4,000
NOTE
1 If the oil mist decomposing element and the gas dust collection unit are not
equipped, 1,500 to 2,000 hours for the C2000-E and 800 to 1,200 hours for the
C4000-E.
2 The mirror cleaning periods are not guaranteed values. They are standard values in
the field.