Transformer (Tf1); Transformers (Tf2, Tf3, Tf4); Overcurrent Relay (Orc) - Hitachi SAMURAI Series Service Manual

3. Servicing
Electrical components

3.4.6 Transformer (TF1)

To have access to electrical transformer TF1, follow the steps described in "Second level components" in chapter "3.4.4
Access to electrical components"
1 Remove all the wirings corresponding to TF1. As shown
in the image.
2 Remove the 2 screws that fix the TF1 to the plate

3.4.7 Transformers (TF2, TF3, TF4)

To remove any of the TF2, 3 or 4, simply open left door of the E-box, and follow the next steps according to the transformer
to remove.
1 Remove all the wirings corresponding to the transformer
to remove. (As shown the image)
1 Remove the 2 screws that fix the transformer to the plate.

3.4.8 Overcurrent relay (ORC)

To remove the overcurrent relay (ORC), open the E-box, and follow the next steps.
1 Remove all the wirings.
2 Remove the 2 screws that fix the ORC to the plate.
83
SMGB0097 rev.0 - 07/2015
to CN1
Screws (x2)
Screws
to PCN239 to CN56 to PCN238 to CN55
Screws
T1 T2
Ru(Brown) Sv (Black) Tw (Grey)
3
to CN2A
to CN57 to PCN240
95 NC
96 NC
T3