160GR Natural Gas Booster Instruction Manual
Mayekawa all rights reserved. Subject to change without notice. Lat revised in October 2007
p.46
specified value. Use iron for shim.
II. When the end clearance is smaller than the specified value
When the rotor does not move with only the tightened lock nuts, the cause is either the lack in
the thickness of the thrust adjusting washer or the excess thickness of the spacer.
a
）
When the end clearance is small, insert a shim between the thrust adjusting washer and
the inner-ring of the bearings. The thickness of the shim is determined by the difference
between the actual measurement and the specified value.
However, a preferred method is to use the accurate thickness for the adjusting washer.
Conduct a surface grinding on a purchased thrust adjusting washer to achieve the right
thickness.
b
）
Or, when the thickness of the spacer is thicker than the adjusting washer, conduct the
surface grinding as needed to adjust the thrust.
