Hitachi EV-1.5N1, Service Manual

Page: 434 / 480

10. Servicing
420
SMGB0079 rev.0 - 01/2013
10.4.2.15 Removing electrical components
  
Removing control PCB (PCB1) and relay PCB (PCB3)
1 Remove the service cover following
Removing service cover
.
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.
Holder
Long-Nose Pliers
Noise Filter
Holder
Noise filter
Long nose pliers
Holder
Printed Circuit Board (PCB1)
Printed Circuit Board (PCB3)
Holder
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Removing Inverter module
1 Remove the service cover following Removing service cover .
2 Open the P plate turning counter clockwise approximately 90° following Opening electrical box (P plate) .
• 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.
Holder
PCB
Spacer
Inverter PCB
Bush
M3 screw