NEC VT57, VT58, VT480 manual Maintenance, Remove the lamp housing, Install a new lamp housing

6. Maintenance

3.Remove the lamp housing.

(1)Loosen the two screws securing the lamp housing until the phillips screwdriver goes into a freewheeling condition. The two screws are not removable.

(2)Remove the lamp housing by holding it.

Interlock

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

4.Install a new lamp housing.

(1)Insert a new lamp housing until the lamp housing is plugged into the socket.

CAUTION

Do not use a lamp other than the NEC replacement lamp VT85LP (VT580/VT480) or VT80LP (VT58/VT57/VT48). Order this from your NEC dealer.

(2)Secure it in place with the two screws.

Be sure to tighten the screws.

5.Reattach the lamp cover.

(1)Place the lamp cover, aligning it with the guiding line. (2)Slide the lamp cover back until it snaps into place.

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