2203M4JE-MY-iS2-N_2017.04.
Chapter 5 Maintenance
Screw Compressor i-series 5.5 Reassembly
5-31
k) When the seal fastening margin is proper, push the seal
cover firmly into the bearing cover.
Since there is repulsion force of the seal bellows, keep
it pushed firmly and tighten the two hexagon socket
head cap screws (for tightening the seal cover) evenly at
positions 180 degrees apart.
When the gasket surface gets free of gap, tighten all of
the remaining screws.
m) When tightening of the seal cover is finished, supply oil
to the seal cover while rotating the shaft.
This oil refilling work is very important to maintain the
airtightness in the shaft seal block when vacuuming after
compressor overhauling.
n) After supplying oil, be sure to screw in the removed plug
on the seal cover.
Photo 040
Supplying Oil
5.5.10 End Cover
a) Screw two stud bolts (i125*:M12/i160*:M16) symmetrically, and then place end cover gasket [23].
b) Install end cover [22].
In case of i160*, use lifting tools for safety assembly because the mass of end cover is 47 kg.
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