6.
Remove the four screws (PWH3 x 5) from the DIF-223 board to detach the DIF-223 board, the film and the shield
case.
DIF-222 board
DIF-223 board
Film
Hexagon support
screws
(Tightening torque:
0.3 ± 0.03 N•m)
Shield case
PWH3 x 5
(Tightening torque: 0.8 ± 0.12 N•m)
PWH3 x 5
(Tightening torque: 0.8 ± 0.21 N•m)
PWH3 x 5
(Tightening torque: 0.8 ± 0.21 N•m)
PWH3 x 5
(Tightening torque: 0.8 ± 0.12 N•m)
B3 x 6
(Tightening torque: 0.8 ± 0.21 N•m)
B2.6 x 6
(Tightening torque: 0.4 ± 0.04 N•m)
7.
Install the removed parts by reversing the steps of removal.
Note
For actions to be taken after the HPR-50 board is replaced, refer to
“3-9. Procedures After Replacement”
HVO-500MD/HVO-550MD
6-5