Periodic Checkup; Table 6-1 Periodic Checkup - Hitachi HF-W7500 Instruction Manual

6. CHECKUP AND MAINTENANCE

6.2 Periodic Checkup

The table below shows how to check the Equipment periodically. Qualified maintenance
personnel must conduct this periodical checkout. Include the checkout time in
the system operation schedule.
Checkup item
Collection of logging information
Inspection and cleaning of the components
• Inspection and cleaning of the inside and
outside of the equipment
• Inspection of fan rotation, dust removal
• Removal of foreign objects that have
entered the equipment
• Other general inspection items
Replacing dust filters
Measuring the power voltage
Operation check
• Operation check of switches and indicators
• Operation check by using test programs
Periodic replacement of replaceable
components (*)
Routine checkup
• Cleaning the keyboard
• Cleaning dust filters
(*) For details about how to handle replaceable components, see "APPENDIX HANDLING
REPLACEABLE COMPONENTS".

Table 6-1 Periodic Checkup

Frequency
Once per year
Once per year
Once per year
Once per year
Once per year
As required
Between once
per month and
once every three
months
6-4
Note
For details, see section "6.1
Daily Checkup".