NEC EXPRESS5800/120Ef, Service Manual, Page: 37 / 64

CHAPTER 5
PREVENTIVE MAINTENANCE
Periodic Maintenance
The following items are to be periodically maintained every 6 months.
Frequency
No. Check Item
Site Regular Daily
Remarks
1 Cleaning of FDD head
○
2 Check the fan operation
○ ○
Clean it at the same time.
3 Check the T&D operation
○ ○
4 Check date and time of
internal clock
○ ○
5 Check UPS battery
○ ○
6 Cleaning of CD-ROM head
○ ○ ○
Clean options such as
DAT.
7 Check switches
○ ○ ○
Check smoothness.
* If any option is added, follow the instructions for that option.
Maintenance By User
Request the user for maintenance of the following items.
No. Item Frequency Remarks
1 Confirm date and time of the
internal clock At restart of the system
after holidays.
2 Check test programs At site adjustment
At error occurrence
At regular check
3 Execution of test program at
failure, and collection of error
data At error occurrence
4 Cleaning of head and running
section of CD-ROM and DAT Once a day According to the
instruction manual
Tools
When to use
No. Name
Specification
ID
Site Regular Daily
Remarks
1 NEC-FILDG
standard tools
○ ○ ○
31