Overhaul Instructions
Si50-203
26
Semi-Hermetic Single Screw Compressor Version III
4. Installing The Suction End Cover
(1) Extend the screw shaft from the motor side.
(2) Install the suction end cover. In this step, use the two positioning pins to position the suction
end cover. (Use guide bolts.)
(3) Insert the screw shaft into the bearing of the suction end cover.
The holding section of the cylindrical roller bearing is made of plastic. It can break easily if
applied with impact. Lift the screw shaft slightly higher than the side cap, and gently insert
the screw shaft from the discharge side.
Fig. 4-30 Installing suction end cover
(4) Rotate the screw rotor to make sure it moves smoothly.
5. Positioning The Screw Rotor
Mount jig (3) to the main bearing holder and casing. In this step, insert screw adjusting
shims (1) between the jig and main bearing holder for the adjustment of the directional
position of the screw rotor shaft.
Summary of Contents for (A)5LLF
Page 48: ...Si50 203 ii Index ...
