NEC NP60 NP40/50/60 UM - Page 57

Loosen the two screws securing the lamp housing until the phillips screwdriver goes into a freewheel

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6. Maintenance 3. Loosen the two screws securing the lamp housing until the phillips screwdriver goes into a freewheel- ing condition. The two screws are not removable. Remove the lamp housing by holding the handle. Interlock NOTE: There is an interlock on this case to prevent the risk of electrical shock. Do not attempt to circumvent this interlock. 4. Push the part as shown on the drawing and insert a new lamp housing until it is plugged into the socket. CAUTION Do not use a lamp other than the NEC replacement lamp NP03LP (NP60) or NP02LP (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 this can result in air leak from the cooling pump, causing the pump error. (→ page 52) 1 2 5. Reattach the lamp cover. Tighten the lamp cover screw. Be sure to tighten the screw. 49

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49
3. Loosen the two screws securing the lamp housing until the phillips screwdriver goes into a freewheel-
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 attempt to circumvent this interlock.
4. Push the part as shown on the drawing and insert a new lamp housing until it is plugged into the socket.
CAUTION
Do not use a lamp other than the NEC replacement lamp NP03LP (NP60) or NP02LP (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 this can result in air leak
from the cooling pump, causing the pump error. (
→
page
52
)
1
2
Interlock
5. Reattach the lamp cover.
Tighten the lamp cover screw.
Be sure to tighten the screw.