NEC NP60 User Manual page 58

This completes the lamp replacement.
Go on to the cooling pump replacement.
To replace the cooling pump:
6. Remove the cooling pump.
(1) Loosen the cooling pump cover screw until the screwdriver goes into a freewheeling condition.
- The cooling pump cover screw is not removable.
(2) Remove the cooling pump cover.
Contact area of the connector
NOTE: Keep the contact area of the connector clean. If there are dust and dirt in the contact area of the connector, remove them.
7. Install a new cooling pump.
(1) Align the tabs on the cooling pump cover with the guide on the cabinet and slide the cooling pump cover.
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6. Maintenance
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