NEC 120Mf Preventive Maintenance, Periodic Maintenance, Maintenance By User, Chapter, Check Item

Chapter 5

Preventive Maintenance

PERIODIC MAINTENANCE

The following items are to be periodically maintained every 6 months.

No.	Check Item		Frequency		Remarks
		Site	Regular	Daily
1	Cleaning of FDD head		○
2	Check fan operation	○	○		Clean it at the same time.
3	Check 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	At restart of the system
	internal clock	after holidays.
2	Check test programs	At site adjustment
		At error occurrence
		At regular check
3	Execution of test program at	At error occurrence
	failure, and collection of error
	data
4	Cleaning of head and running	Once a day	According to the
	section of CD-ROM and DAT		instruction manual