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166006-1CD
166006-1CD
6
Maintenance and Inspection
6.7 Main (Sweep) Axis Reduction Gear Unit (RV–320E–X)
RM2-755/1255SL
Positioner
6.7 Main (Sweep) Axis Reduction Gear Unit (RV–320E–X)
The main (sweep) axis Reduction Gear Unit (RV–320E–X) is located on
the Main Drive Housing Assembly (see
). This unit is sealed and contains no parts that need inspection
or replacement on a regular basis. Do NOT disassemble the reduction
gear unit or remove it from its associated AC servomotor. If suspecting the
Reduction Gear Unit requires maintenance or an overhaul, contact
section 1.7 “Customer Support Information” on
).
6.7.1 Setting (Sweep) Axis Backlash
Yaskawa has two different ways to set the Axis Backlash. The older
Positioners require adding and removing shims while the newer
Positioners use a backlash tool.
The Axis Backlash is a measurement of free movement of the gears.
Yaskawa recommends using Customer Support to set the Axis Backlash.
The backlash between the drive pinion and the ring gear needs to be set
between 0.110mm to 0.140mm. The actual measurement is the free
movement of the gears
6.7.1.1 Positioner Assembled from August 2018 or later
Required Tools:
NOTICE
Positioners assembled from August 2018 and later no longer have
include shims for adjusting the backlash.
To adjust the backlash on Positioners assembled from August 2018
and later an adjustment tool will need to be purchased. The adjustment
tool part number is 185367-1.
• Dial Test Indicator
• Impact Wrench
• Rags
• Torque Wrench
• M12 Guide Pins x2
• M16 Socket Drive
• Backlash Adjustment Tool • Marker
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