NEC NP60 - page 57

3. Loosen the two screws sec uring the lamp housing until the phillips screwdriver goes into a freewhee l-

ing condition.

The two screws are not removable.

Remove the lamp housing by holding the handle.

6. Maintenance

NOTE: There is an interlock on this case to prevent the risk of electrical shock. Do not atte mpt to circumvent this interlock.

4. Push the part as shown on t he drawing and insert a new lamp housing until it is plugge d into the socket.

CAUTION

Do not use a lamp other than the NEC replacement lamp NP03LP (NP60) or NP0 2LP (NP50/NP40).

Order this from your NEC dealer.

Secure it in place with the two screws.

NOTE: Tighten the two screws alternately until both screws are completely tightened. Failure to do thi s can result in air leak

from the cooling pump, causing the pump error. (→ page 52)

Interlock

5. Reattach the lamp cover.

Tighten the lamp cover screw.

Be sure to tighten the screw.