Removing Electrical Components - Hitachi RAS-2-HVNP Service Manual

10. Servicing
10.3.3.15 Removing electrical components
  
Removing control PCB (PCB1) and relay PCB (PCB3)
1 Remove the service cover following
2 Remove all the wiring connected to the control PCB and the
relay PCB.
D A N G E R
DO NOT touch electrical components while the LED1
(Red) is ON to avoid electrical shock. Wait until the LED
turns off.
3 Remove the 6 holders for each PCB. Clamp the middle part
of the holders with long-nose pliers and remove it toward
front side.
D A N G E R
DO NOT touch the electrical components on the PCB.
Pay attention not to bend or apply much force onto PCB
in order to avoid PCB failure.
  
Removing Inverter module
1 Remove the service cover following
2 Open the P plate turning counter clockwise approximately 90° following
• Check that the LED201 (red) on Inverter is OFF when the P plate is opened.
D A N G E R
DO NOT touch electrical components while the LED201 (Red) or LED1 (Red) are ON to avoid electrical shock.
Wait until the LEDs turn off.
3 Remove 4 screws M3, remove the bushes and remove the
spacers fixing the inverter.
N O T E
When mounting again be sure to place the bushes and spa-
cers.
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SMGB0079 rev.0 - 01/2013
Removing service
Long nose pliers
Long-Nose Pliers
Noise filter
Noise Filter
Holder
Holder
Removing service
cover.
Printed Circuit Board (PCB1)
Printed Circuit Board (PCB3)
cover.
Opening electrical box (P
Holder
PCB
M3 screw
Holder
Holder
plate).
Spacer
Inverter PCB
Bush