20 CONFIDENTIALCopyright © 2007 NOKIA. All rights reserved.2660 RM-292/RM-293Page (30) ISSUE Service Manual Level &21. Nokia 2660 Lower Block Assembly Hints. 2. Very gently, put the PWB FLEX into the slot of the C-COVER.Avoid squeezing the flex.3. Insert the HINGE MODULE into the B-COVER. Push down theHINGE spring and maneuver it into the recess of the C-COVER.4. Check the mechanical functionality of the Hinge.5. Fit the KEYMAT before starting the assembly procedure. 6. Always use new screws when assembling the unit.LOWER BLOCK ASSEMBLY HINTS16.