Panasonic CF-W4HWEZZBM Service Manual page 52

6.3.13. Assembly of Touch Pad
6.3.14. Screw tightening procedure of each unit
When serving, the screw tightening is executed according to the undermentioned procedure.
1. Screw tightening of Top Case
1-1. DXQT2+E6FNL(I:N13) is tightened. No.1 to No.3
1-2. DFHE5025XA(L:N1) is tightened. No.4 to No.6
1-3. DXQT2+E6FCL(K:N12) is tightened. No.7, No.8
1-4. DXQT26+D8FCL(J:N16) is tightened. No.9, No.10
1-5. DXQT2+E12FNL(R:N11) is tightened. No.11
1-6. DXQT2+E6FNL(S:N13) is tightened. No.12
52