160GR Natural Gas Booster Instruction Manual
Mayekawa all rights reserved. Subject to change without notice. Lat revised in October 2007
p.36
7.4.11.2 Inspection
a
）
Wash the thrust bearing thoroughly with washing oil. Check the ball surface for
tarnish, scars, peeling, flaking, and distortion. Then check the retainer for wears and
distortions. Finally check the inner-ring and the running trace of the outer-ring for
scars, peeling, and flaking.
b
）
When there is even a slightest defect on the thrust bearings, replace the parts.
7.4.12 Suction Cover
7.4.12.1 Disassembly
a
）
Loosen the hexagon socket head cap screw (2) that attach the suction cover (5) with
the main rotor casing (1) and remove them.
b
）
Insert the removed screws into the screw holes for eye bolts on the suction cover and
push the rotor casing (1) evenly. Insert them slowly, alternating left and right in turns.
Figure 40 Removing Suction Cover Bolts
Figure 41 Push Bolt
c
）
On the platen, after removing the alignment pin, separate the suction cover (5) from
the rotor casing (1), keeping the suction cover parallel to the rotor shaft. If the suction
cover (5) cannot be pulled out, lift the rotor casing (1) side slightly as pulling the
suction cover (5).
