Danfoss Turbocor TT Series, Service Manual, Page: 81 / 294

b. For TTH/TGH compressors, remove the 10 M10x40 fasteners that secure the Compressor Housing
End Cap to the compressor housing and remove the End Cap. Refer to Figure 4-40 Compressor
Housing End Cap - TTH/TGH on page 80.
5. Remove and discard the O-ring.
4.8.1.2 Compressor Housing End Cap Installation
1. Ensure that all components and threads are clear, clean, and oil free.
2. Clean, lubricate, and install the O-ring into the groove in the compressor housing.
3. Carefully line up the Compressor Housing End Cap and loosely install several of the M10x40 fasteners
to hold the end cap in place. Refer to Figure 4-39 Compressor Housing End Cap - TTS/TGS on page 80
and Figure 4-40 Compressor Housing End Cap - TTH/TGH on page 80.
4. Install the remaining fasteners and torque fasteners in a crisscross pattern to 32 Nm (24 ft.lb.).
5. Install the Interstage Pipe (TTH/TGH compressors only). Refer toSection 4.7.1.2 Interstage Pipe
Installation on page 78.
6. Leak test and evacuate compressor in accordance with standard industry practices.
7. Return the compressor back to normal operation.
4.8.1.3 Compressor Housing End Cap Torque Specifications
Table 4-13 Compressor Housing End Cap Torque Specifications
Description Nm Ft.Lb. In.Lb.
Compressor Housing End Cap Fastener, M10x40 32 24 283
Interstage Pipe Fastener, M10x40 32 24 283
Economizer Flange Fastener, M10x30 32 24 283
M-SV-001-EN Rev. H-1/23/2023 Page 81 of 294