
5.MAINTENANCE B-70314EN/02
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5.2 PERIODIC MAINTENANCE
The laser oscillator contains consumables that must be replaced
periodically. Table 5.2(a) or (b) lists such consumables and the related
periodic maintenance work.
Perform periodic maintenance as well as daily inspection described in
Section 5.1 by using the listed periods as guidelines.
Note, however, that the replacement and maintenance intervals are not
guaranteed values.
Table 5.2(a) Periodic maintenance items and periods
Item
Period of
maintenance
(operation hour)
Remarks
1 Replacement of output coupler 3,000 to 4,000 hours Replace when the quality declines
2 Replacement of rear mirror 3,000 to 4,000 hours Replace when the quality declines
3 Replacement of folding mirror 3,000 to 4,000 hours Replace when the quality declines
4 Changing oil for exhaust pump 1,500 hours Change when the exhaust speed declines
5 Replacement of filter for exhaust pump 3,000 hours Replace when the exhaust speed declines
6 Replacement of exhaust pump 10,000 hours Replace when the exhaust speed declines
7 Changing oil for turbo blower 1,000 hours Change when properties of oil change
8
Replacement of turbo blower
(overhaul)
12,000 hours
Replace when the ability declines, the dust
comes out, or there is an abnormal sound
9 Replacement of filter for gas controller 12,000 hours Replace when the filter is choked up
10
Replacement of O-ring for discharge
tube
6,000 hours Replace when the gas leakage occurs
11 Replacement of O-ring for gas pipe 6,000 hours Replace when the gas leakage occurs
12 Cleaning of discharge tube 10,000 hours
Clean when the quartz powder adheres to the
mirrors
13 Replacement of discharge tube 30,000 hours Replace when the quality declines
14 Changing of cooling water 1,500 hours Change when cooling water changes in quality
15 Cleaning of cooling water system 3,000 hours Clean when cooling water system is choked up
16 Replacement of warning lamp 3,000 hours Replace when the warning lamp doesn't light up
17
Replacement of photo catalytic
element
10,000 hours Replace when the quality declines
18 Replacement of cooling fan 30,000 hours Under the influence of the environment
Table 5.2(b) Mirror cleaning periods
Model C1000-E C2000-E C4000-E C5000-E C6000-E
Cleaning of output and rear mirrors only
None
(Note 1,2)
1,500 to 2,000
hours
(Note 1)
1,000 to 1,300 hours
Cleaning of all internal mirrors 3,000 to 4,000 hours
NOTE
1 If the photo catalytic element and the gas dust collection unit are not equipped,
1,500 to 2,000 hours for the C2000-E, 800 to 1,200 hours for the C4000-E.
2 If the mirror is not change, the mirror cleaning periods are 3,000 to 4,000 hours at
least.
3 The mirror cleaning periods are not guaranteed values. They are standard values in
the field.