mycom UD Series Instruction Manual page 110

g) Set the end clearance of the F rotor in the same way. Note that the screwdriver is pushed in as
shown in Figure 5-23 to position the F-rotor on the discharge side.
h) Install the thrust bearing gland and tightening bolt. Tighten the bolts with the torque values
shown in the table "Tightening torque".
UD-series Screw Compressor
(400) Tightening Lock Nut
Figure 5-23 Thrust adjustment
End Clearance Adjustment
5-55
Chapter 5 Maintenance and Inspection
5.5 Reassembly