NEC NC1600C Service Manual page 370

(2) Filter preparation
Filter replacement is also performed at the same time as lamp bulb replacement.
The filter is available as an optional part with the product number shown below.
NC-16AF01 (01165150)
3 filters
(3) Special tools
The following special tools are required for lamp bulb replacement.
Each special tool is available as a service part with the product number shown below.
Socket wrench (17 mm):
Ball driver (3 mm):
Ball driver (5 mm):
Phillips screwdriver
2. Cautions
(1) Transport and storage of lamp bulb
Put a lamp bulb in the specialized plastic protection case and then put it into the corrugated cardboard
packaging box for transport and storage of lamp bulbs in a working space. Point the bigger electrode side
downward as shown in the illustration on the packaging box. Be sure to keep the surface marked with "UP"
up when the box is transported and stored.
(2) Lamp bulb replacement
Warning 1:
Never turn on the lamp before closing the rear panel completely. Do not see the light of the lamp directly
while the lamp is turned on for optical axis adjustment.
Warning 2:
To avoid electric shock, be sure to turn off the lamp and the power of the system before lamp bulb replacement.
"Confidential, Do Not Duplicate without written authorization from NEC."
REPLACEMENT OF THE LAMP HOUSE AND BULB
This electrode up
This electrode down
14-2
2 filters