2205Q2JE-HO-S6-N_2020.01.
Chapter 5 Maintenance and Inspection
SCV-series Screw Compressor 5.5 Reassembly
5-34
5.5 Reassembly
During the reassembly work, be very careful in selecting the correct replacement
O-rings of the specified standard, not to make a mistake regarding the size, material,
for fixed use, for sliding use, etc. Using a wrong O-ring can lead to oil leak or other
problems.
Some gaskets are not symmetrically shaped. In such a case, be careful not to misplace
the gasket. If the gasket is misplaced, it can lead to a significant problem such as
blocking any oil supply route on the casing.
After completing the disassembly and inspection procedures, start the assembly process.
Before starting the assembly, check the replacement parts once again.
Like gaskets, all O-rings that have been removed during the compressor disassembly must be replaced
with new ones.
The assembly sequence is mostly the reverse of the disassembly sequence. First of all, clean the work
bench and the tools to be used.
Immediately prior to the assembly, use wash oil to clean the parts to be assembled, dry them with
compressed air, and sufficiently apply lubricating oil, etc. For this, prepare a sufficient amount of clean
lubricating oil for the reassembly. Also, apply oil on both sides of the gasket..
Please fully understand the details in this Section 5.5 for correct assembly work.
Table 5-8 Tightening Torques for Hexagon Socket Head Cap Screws
･
kgf･cm 28 60 100 250 500 900 1400 2400 4500 7500
When fastening each hexagon head cap screw, use the tightening torque specified in the above table.
For other tightening torques of hexagon head bolts and lock nuts needed specified tightening torque,
refer to Section 7.3 in this manual Chapter 7.
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