160GR Natural Gas Booster Instruction Manual
Mayekawa all rights reserved. Subject to change without notice. Lat revised in October 2007
p.37
Figure 42 Removing Suction Cover
Figure 43 Removing Stop Ring
d
)
Remove the stop rings (29-1, 29-2) with the stop ring pliers, and then remove the oil
control throttles (196-1, 196-2). Next, remove the side bearings (28-1, 28-2). As the
bearings are
中間
fitted, do not tilt the bearings when pulling out.
Figure 44 Removing Bearing
7.4.12.2 Inspection
a) Check the inner-ring and the surface of the roller bearings for tarnish, scars, and
peeling. If the bearing has even the slightest defect, replace the parts.
7.4.13 Rotor, Rotor Casing, Variable Vi Slide Valve
The Variable Vi slide valve and the unloader slide valve are installed in the rotor casing.
7.4.13.1 Disassembly
a) As the rotors (25, 26) are quite heavy, prepare a sling belt (etc.) to suspend and pull
the rotor out. The either rotors can be pulled out first. To pull the F rotor (26) out, turn
it in the counter-clockwise from the suction cover side. When the rotor is 2/3 way out,
put a rope around the rotor. Pull out the rotor while keeping it flat and suspended.