160GR Natural Gas Booster Instruction Manual
Mayekawa all rights reserved. Subject to change without notice. Lat revised in October 2007
p.33
7.4.9.2 Inspection
a
）
Check the gear tooth surface for any remarkable hit or wear. If there is, look for the
cause and replace the part.
b
）
When there is an unusual running trace or unusual wear on the ball or the rolling
surface, replace the part.
7.4.10 Spindle Roller Bearing
7.4.10.1 Disassembly
a
）
Remove the stop ring (186) by the stop ring pliers.
b
）
Pull out the outer-ring of the speed up gear rolling bearing (185).
Figure 31 Stop Ring
Figure 32 Removing Outer-Ring of Rolling Bearing
7.4.10.2 Inspection
a
）
Check the roller bearing inner-ring and the
コロ
for any remarkable wear or hit and
replace the part if there is.
7.4.11 Disassembly of the speed up gear on the driven side
The speed up gear on the driven side is located at the M rotor side. The edge of the shaft
is the journal of the sliding bearing. Proceed with the process after curing to avoid
damaging the part.
7.4.11.1 Disassembly
a
）
Lift the tabs of the lock nut (39-3) for the lock washer (40-3) that holds the passive
gear. Remove the lock nut (39-3) with the proper lock nut wrench. Make sure that the
lock nut wrench does not damage the journal area of the edge of the shaft.
b
）
Pull out the driven side speed up gear from the rotor. Make sure to use both hands to
hold the gear, as the gear is quite heavy.
c
）
At last, pull out the passive side speed up driven gear key (180).
