Figure 4-216 Initial Tightening Pass Sequence
11. Using an appropriately-rated torque wrench, tighten the fasteners from center outward (same
sequence as previous step) to 1.5 Nm (13.2 in. lb.).
NOTE
It is recommended to verify Inverter functionality using an inverter tester prior to reassembly of the top-side electronics.
12. Install the Copper Tubes that connect the motor bus bars to the Inverter.
13. Connect the ribbon cable to the Inverter.
14. Install the DC Capacitor and Bus Assembly. Refer to Section 4.21.3 DC Capacitor Bus Bar Assembly
Removal and Installation on page 168.
15. Install the Soft Start. Refer to Section 4.14 Soft Start on page 113.
16. Connect all remaining cable harnesses.
17. Install the top covers. Refer to Section 4.1 Compressor Covers on page 52.
18. Return the compressor to normal operation.
4.22.8 Inverter Torque Specifications
Table 4-36 Inverter Torque Specifications
Description
Nm
Ft.Lb.
In.Lb.
Soft Start DC+ DC- to DC Bus Bolt/nut (TTS300/TGS230
only)
10
7
89
DC Capacitor Bus Bar to SCR Bus Bar Bolt
(TTS300/TGS230 only)
10
7
89
DC Bus Bars to SCR fastener, M6x16 (TTS300/TGS230
only)
5
-
44
AC Bus Bar to SCR fastener, M6x16 (TTS300/TGS230
only)
5
-
44
AC Bus Bar to SCR fastener, M8x20 (Excludes
TTS300/TGS230 compressors)
9
-
80
Fuse to Terminal Block fastener (TTS300/TGS230 only)
4
-
35
Terminal Block Mounting fastener, M5x45 (Excludes
TTS300/TGS230 compressors)
4
-
35
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Summary of Contents for Turbocor TT Series
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