Replacement And Reassembly - Omron SCARA XE Series Maintenance Manual

2.1.3 Replacement and reassembly

Follow the steps below to replace the harmonic drive with a new one and reassemble it.
Step1
Perform the work shown below before reassembling the harmonic drive.
1. Install the bolts on the harmonic drive.
2. Remove the bolts that have been assembled and secured temporarily.
5
CAUTION
Do not remove the bolts that have been secured temporarily before installing new bolts. Doing so may cause a
misalignment.
3. Apply the harmonic grease to a new wave generator. For details about how to apply the grease,
4. Remove the old grease and worn-out particles from the installation surfaces of the harmonic drive
CAUTION
• If foreign matter is caught in during reassembly work, this may cause the noise from the harmonic drive or the
harmonic drive to break.
• Never remove the temporarily secured bolts. Doing so may cause a misalignment.
5-6
Step 1 Preparations before assembling the harmonic drive
see the Fig. below.
Degrease the top and bottom installation surfaces of the harmonic drive.
Step 1 Applying the harmonic grease
Fill ball spaces with the grease sufficiently.
Apply the grease to the entire surface of Oldham's coupling.
Total grease amount: 3g
Apply the grease to the gear clearances.
Temporarily secured bolt
completely.
Harmonic drive mounting bolts (12)
M3 × 8 4pcs
After the bolts (8) have been installed,
remove the black bolts (4 pcs.)
that have been secured temporarily.
Wave generator
Degrease the installation surface.
Flex spline
Circular spline
Degrease the installation surface.
53512-FK-00
53506-FK-00