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M-SV-001-EN Rev. G
24. Carefully peel back the foam to gain access to the two (2) M6x20 fasteners. Remove the two (2)
SCR Cooling Manifold fasteners and remove the assembly. Refer to "Figure 4-212 SCR Cooling
Manifold Removal - TTS300/TGS230" for this and the following step.
25. Remove and discard the two (2) O-rings.
26. Retain the SCR Manifold for use with the new Inverter assembly.
Figure 4-212 SCR Cooling Manifold Removal - TTS300/TGS230
NOTE
Do not completely remove the foam insulation, only pull back what is needed to access the two (2) fasteners.
4.23.6.2 Inverter Specific Removal Steps - TTS/TGS/TTH/TGH (Except TTS300/TGS230)
1. Remove the three (3) AC wires of the Soft Start AC/DC cable harness from the AC Bus Bars.
2. Unplug the SCR Gate cable harness from the from the SCRs noting the orientation of the
terminals. Refer to "Figure 4-213 SCR Connections - TTS/TGS/TTH/TGH Rev. F and Earlier
(Except TTS300/TGS230)" and "Figure 4-214 SCR Connections - TTS/TGS/TTH/TGH Rev. H
(Except TTS300/TGS230)" on page 176 for the location of the connectors.
Figure 4-213 SCR Connections - TTS/TGS/TTH/TGH Rev. F and Earlier (Except TTS300/TGS230)
SCR Cooling
Manifold
Fastener,
M6x20 (2 places)
Inverter Cooling Manifold to
SCR Cooling Manifold O-ring
(2 places)
Foam Insulation
AC Input to SCR
(3 places)
SCR to DC Bus
(+ and -)
SCR Gate Cables to Soft Start
(3 places)
AC Bus Bar
Connectors
(3 places)
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