Hitachi RASC-4HNPE Service Manual page 182

9 Servicing
Removing components
Removal of the inverter PCB (DIP-IPM)
!
D A N G E R
Electrical hazard. Risk of death.
• Do not touch the electrical components when the LED201 (Red) of DIP-IPM is ON in order to avoid an electrical shock.
• Do not touch the electrical components of the PCB box directly.
1 Disconnect all the connectors in the DIP-IPM.
2 Remove the DIP-IPM by removing the 4 screws located at the
top and bottom of the plastic plate that holds the DIP-IPM.
Removal of the noise filter (NF1)
1 Disconnect all the wires connected to the noise filter
(NF1).
2 Remove the noise filter by pressing the expanded
part of the 4 plastic holders, using long-nose pliers,
as shown in the picture below.
3 Pull the noise filter plate out of the plastic holders.
Press
172 SMGB0091 rev.2 - 11/2015
Long-noise pliers
Pull up
Press
PCB
Plastic holder
Screws
Screws
Plastic holder